2011 HM<sub>102</sub>: DISCOVERY OF A HIGH-INCLINATION L5 NEPTUNE TROJAN IN THE SEARCH FOR A POST-PLUTO NEW HORIZONS TARGET

Parker, A. H.; Buie, M. W.; Osip, D. J.; Gwyn, Stephen; Holman, Matthew J.; Borncamp, David; Spencer, J. R.; Benecchi, Susan; Binzel, Richard P.; DeMeo, Francesca E.; Fabbro, S.; Fuentes, César; Gay, Pamela; Kavelaars, J. J.; McLeod, B. A.; Petit, Jean-Marc; Sheppard, Scott S.; Stern, S. A.; Tholen, David J.; Trilling, David E.; Ragozzine, Darin; Wasserman, L. H.; Hunters, the Ice

doi:10.1088/0004-6256/145/4/96

Cited by 28 publications

(28 citation statements)

References 22 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The derived V−R magnitudes of 0.44 0.11 »  , obtained using the transformation equations in Smith et al (2002), are consistent with previously reported colors of the L4 and L5 Neptune Trojans (Parker et al 2013) as well as Jupiter Trojans and neutral Centaurs, and are slightly bluer than classical KBOs. This similarity may indicate a common formation mechanism and history, although future near-infrared photometry may reveal otherwise unapparent population differences as is known to be the case with Jupiter Trojans (Wong et al 2014).…”

Section: Physical Characterizationsupporting

confidence: 90%

“…To compute the libration amplitudes and periods, we follow the procedure of Parker et al (2013) and Parker (2015). Using the same 1000 clones of each object, we define the half-peak rms libration amplitude for each clone to be where M is the mean anomaly, Ω is the longitude of the ascending node, and ω is the argument of perihelion.…”

Section: Dynamical Stabilitymentioning

confidence: 99%

“…39 Seven of the nine previously known Neptune Trojans occupy the L4 region. There is no a priori reason to expect the L4 and L5 populations to be particularly different (Sheppard & Trujillo 2010); the dearth of known L5 Trojans can be ascribed to the fact that Neptune's L5 region is presently on a line of sight to the galactic center, a crowded field of point-like sources against which the detection of transients is observationally challenging (Sheppard & Trujillo 2010;Parker et al 2013).…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Observation of Two New L4 Neptune Trojans in the Dark Energy Survey Supernova Fields

Gerdes¹,

Jennings²,

Bernstein³

et al. 2016

View full text Add to dashboard Cite

We report the discovery of the eighth and ninth known Trojans in stable orbits around Neptune's leading Lagrange point, L4. The objects 2014QO 441 and 2014QP 441 were detected in data obtained during the 2013-14 and 2014-15 observing seasons by the Dark Energy Survey, using the Dark Energy Camera (DECam) on the 4-m Blanco telescope at Cerro Tololo Inter-American Observatory. Both are in high-inclination orbits (18°. 8 and 19°.4, respectively). With an eccentricity of 0.104, 2014QO 441 has the most eccentric orbit of the 11 known stable Neptune Trojans. Here we describe the search procedure and investigate the objects' long-term dynamical stability and physical properties.

show abstract

Section: Physical Characterizationsupporting

confidence: 90%

Section: Dynamical Stabilitymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Observation of Two New L4 Neptune Trojans in the Dark Energy Survey Supernova Fields

Gerdes¹,

Jennings²,

Bernstein³

et al. 2016

View full text Add to dashboard Cite

show abstract

“…The Neptune Trojans must have been captured from the scattering TNOs and thus share the same H-distribution. The observed lack of smallsized Neptune Trojans (Sheppard & Trujillo 2010;Parker et al 2013) requires that there be a sharp decrease in the number of Neptune Trojans below a certain size. Figure 3 of Sheppard & Trujillo (2010) shows that this decrease must be in the form of a drop in the differential number distribution of Neptune Trojans in order to explain the lack of detected Neptune Trojans within their magnitude limit.…”

Section: Arguments For a Divotmentioning

confidence: 99%

Ossos. Ii. A Sharp Transition in the Absolute Magnitude Distribution of the Kuiper Belt’s Scattering Population

Shankman¹,

Kavelaars²,

Gladman³

et al. 2016

View full text Add to dashboard Cite

We measure the absolute magnitude, H, distribution, dN(H)∝10αH , of the scattering Trans-Neptunian Objects (TNOs) as a proxy for their size-frequency distribution. We show that the H-distribution of the scattering TNOs is not consistent with a single-slope distribution, but must transition around H g ∼9 to either a knee with a shallow slope or to a divot, which is a differential drop followed by second exponential distribution. Our analysis is based on a sample of 22 scattering TNOs drawn from three different TNO surveys-the Canada-France Ecliptic Plane Survey, Alexandersen et al., and the Outer Solar System Origins Survey, all of which provide well-characterized detection thresholds-combined with a cosmogonic model for the formation of the scattering TNO population. Our measured absolute magnitude distribution result is independent of the choice of cosmogonic model. Based on our analysis, we estimate that the number of scattering TNOs is (2.4-8.3)×105 for H r <12. A divot H-distribution is seen in a variety of formation scenarios and may explain several puzzles in Kuiper Belt science. We find that a divot H-distribution simultaneously explains the observed scattering TNO, Neptune Trojan, Plutino, and Centaur H-distributions while simultaneously predicting a large enough scattering TNO population to act as the sole supply of the Jupiter-Family Comets.

show abstract

“…After Jupiter, Neptune has the second-largest population of Trojans. Prior to this study, nine L4 Neptune Trojans (or NTs) and three L5 NTs had been discovered (Elliot et al 2005;Sheppard & Trujillo 2006, 2010bParker et al 2013;Alexandersen et al 2014;Gerdes et al 2016). Nesvorný & Dones (2002) examined the orbital evolution and long-term stability of Trojans of Saturn, Uranus, and Neptune, under the current planetary configuration.…”

Section: Introductionmentioning

confidence: 99%

The Pan-Starrs 1 Discoveries of Five New Neptune Trojans

Lin

Chen

Holman

et al. 2016

Self Cite

View full text Add to dashboard Cite

In this work, we report the detection of seven Neptune Trojans (NTs) in the Pan-STARRS 1 (PS1) survey. Five of these are new discoveries, consisting of four L4 Trojans and one L5 Trojan. Our orbital simulations show that the L5 Trojan stably librates for only several million years. This suggests that the L5 Trojan must be of recent capture origin. On the other hand, all four new L4 Trojans stably occupy the 1:1 resonance with Neptune for more than 1 Gyr. They can, therefore, be of primordial origin. Our survey simulation results show that the inclination width of the NT population should be between 7°and 27°at >95% confidence, and most likely ∼11°. In this paper, we describe the PS1 survey, the Outer Solar System pipeline, the confirming observations, and the orbital/physical properties of the new NTs.

show abstract

2011 HM₁₀₂: DISCOVERY OF A HIGH-INCLINATION L5 NEPTUNE TROJAN IN THE SEARCH FOR A POST-PLUTO NEW HORIZONS TARGET

Cited by 28 publications

References 22 publications

Observation of Two New L4 Neptune Trojans in the Dark Energy Survey Supernova Fields

Observation of Two New L4 Neptune Trojans in the Dark Energy Survey Supernova Fields

Ossos. Ii. A Sharp Transition in the Absolute Magnitude Distribution of the Kuiper Belt’s Scattering Population

The Pan-Starrs 1 Discoveries of Five New Neptune Trojans

Contact Info

Product

Resources

About

2011 HM102: DISCOVERY OF A HIGH-INCLINATION L5 NEPTUNE TROJAN IN THE SEARCH FOR A POST-PLUTO NEW HORIZONS TARGET

Cited by 28 publications

References 22 publications

Observation of Two New L4 Neptune Trojans in the Dark Energy Survey Supernova Fields

Observation of Two New L4 Neptune Trojans in the Dark Energy Survey Supernova Fields

Ossos. Ii. A Sharp Transition in the Absolute Magnitude Distribution of the Kuiper Belt’s Scattering Population

The Pan-Starrs 1 Discoveries of Five New Neptune Trojans

Contact Info

Product

Resources

About

2011 HM₁₀₂: DISCOVERY OF A HIGH-INCLINATION L5 NEPTUNE TROJAN IN THE SEARCH FOR A POST-PLUTO NEW HORIZONS TARGET