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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 121 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1248194269463066 | 2.0512e-08 | |
a | 2.685341474826686 | 6.201e-09 | au |
q | 2.350158690783669 | 5.2566e-08 | au |
i | 1.309538974168693 | 2.7403e-07 | deg |
node | 309.0986618106077 | 2.0827e-05 | deg |
peri | 179.6745633466946 | 2.1415e-05 | deg |
M | 172.350100878621 | 9.7542e-06 | deg |
tp | 2458431.003325419490 (2018-Nov-08.50332542) | 4.223e-05 | TDB |
period | 1607.302818140364 4.40 | 5.5674e-06 1.524e-08 | d yr |
n | .2239777072104664 | 7.7582e-10 | deg/d |
Q | 3.020524258869702 | 6.975e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
7.69 |
|
n/a |
E2021B10 |
|
magnitude slope |
G |
0.48 |
|
n/a |
PDS3 (MPC 17257) |
Fit |
diameter |
diameter |
58.292 |
km |
1.082 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
rotation period |
rot_per |
8.752 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Poutanen, M. (1983) in Asteroids, Comets, Meteors. C.-I. Lagerkvist, H. Rickman, eds. Uppsala, pp. 45-48.] [Harris, A.W.; Young, J.W.; Contreiras, L.; Dockweiler, T.; et al. (1989) Icarus 81, 365-374.] [Michalowski, T. (1993) Icarus 106, 563-572.] [Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Rosenbush, V.K.; Kiselev, N.N.; Shevchenko, V.G.; Jockers, K.; et al. (2005) Icarus 178, 222-234.] [Durech, J. (2006) IAU 2006, poster paper.] [Durech, J.; Kaasalainen, M.; Herald, D.; Dunham, D.; et al. (2011) Icarus 214, 652-670.] [Warner, B.D. (2014) Minor Planet Bull. 41, 102-112.] [Behrend, R. (2015) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.] |
geometric albedo |
albedo |
0.483 |
|
0.060 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
B-V |
BV |
0.734 |
|
0.037 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=7; phase (min.=4.80, mean=9.35, max.=16.41) deg. |
U-B |
UB |
0.254 |
|
0.040 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=7; phase (min.=4.80, mean=9.35, max.=16.41) deg. |
Tholen spectral type |
spec_T |
E |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices; used ground-based radiometric albedo |
SMASSII spectral type |
spec_B |
Xe |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) |
|
64 Angelina (A861 EA) Discovered 1861-Mar-04 by Tempel, E. W. at Marseille |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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