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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 101 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .20913753066671 | 1.9088e-08 | |
| a | 2.742429399169123 | 6.8572e-09 | au |
| q | 2.168884486599103 | 4.8251e-08 | au |
| i | 14.19920672972619 | 6.9493e-07 | deg |
| node | 148.1698826149299 | 3.254e-06 | deg |
| peri | 228.8137486844927 | 4.0685e-06 | deg |
| M | 164.2775652062246 | 5.4675e-06 | deg |
| tp | 2458443.532266794113
(2018-Nov-21.03226679) | 2.3136e-05 | TDB |
| period | 1658.828967984934
4.54 | 6.2217e-06
1.703e-08 | d
yr |
| n | .2170205650780928 | 8.1396e-10 | deg/d |
| Q | 3.315974311739142 | 8.2913e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
7.97 |
|
n/a |
E2021B10 |
IRAS observations used: 14 |
| magnitude slope |
G |
0.01 |
|
n/a |
PDS3 (MPC 17257) |
Fit |
| diameter |
diameter |
125.821 |
km |
1.489 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| rotation period |
rot_per |
6.15 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Schober, H.J. (1978) Astron. Astrophys. Suppl. Ser. 34, 377-381.]
[Debehogne, H.; Lagerkvist, C.-I.; Hahn, G. (1990) in Asteroids, Comets, Meteors III. C.-I. Lagerkvist, H. Rickman, B.A. Lindblad, M. Lindgren, eds. Uppsala, p. 45-48.]
[Erikson, A. (1990) in Asteroids, Comets, Meteors III. C.-I. Lagerkvist, H. Rickman, B.A. Lindblad, M. Lindgren, eds. Uppsala, p. 55-58.]
[Michalowski, T. (1993) Icarus 106, 563-572.]
[Michalowski, T.; Kaasalainen, M.; Marciniak, A.; Denchev, P.; et al. (2005) Astron. Astrophys. 443, 329-335.]
[Gandolfi, D.; Cigna, M.; Fulvio, D.; Blanco, C. (2009) Planet. Space Sci. 57, 1-9.]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2013) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] |
| geometric albedo |
albedo |
0.096 |
|
0.018 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| B-V |
BV |
0.705 |
|
0.016 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=4; phase (min.=7.32, mean=11.68, max.=16.35) deg. |
| U-B |
UB |
0.305 |
|
0.012 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=4; phase (min.=3.48, mean=8.66, max.=16.35) deg. |
| Tholen spectral type |
spec_T |
C |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices; used ground-based radiometric albedo |
| SMASSII spectral type |
spec_B |
Xk |
|
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) |
|
| 173 Ino (A877 PA) Discovered 1877-Aug-01 by Borrelly, A. at Marseille |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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