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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.
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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 50 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .07415143286134457 | 3.2038e-08 | |
| a | 2.760501856532032 | 8.515e-09 | au |
| q | 2.55580668845378 | 8.6916e-08 | au |
| i | 11.44438084358513 | 3.563e-06 | deg |
| node | 332.9805544789453 | 1.687e-05 | deg |
| peri | 252.3411587800013 | 3.0456e-05 | deg |
| M | 167.1293034244589 | 2.6975e-05 | deg |
| tp | 2458222.766878895039
(2018-Apr-14.26687889) | 0.00012462 | TDB |
| period | 1675.253338947448
4.59 | 7.7512e-06
2.122e-08 | d
yr |
| n | .2148928712036987 | 9.9428e-10 | deg/d |
| Q | 2.965197024610284 | 9.1464e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
9.1 |
|
n/a |
MPO502154 |
IRAS observations used: 23 |
| diameter |
diameter |
95.377 |
km |
0.698 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| rotation period |
rot_per |
22.005 |
h |
n/a |
LCDB (Rev. 2019-August); Warner et al., 2009 |
Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2007) Minor Planet Bull. 34, 32-37.]
[Pilcher, F. (2008) Minor Planet Bull. 35, 135-138.] |
| geometric albedo |
albedo |
0.044 |
|
0.007 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| B-V |
BV |
0.738 |
|
0.026 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=3.57, mean=3.79, max.=4.01) deg. |
| U-B |
UB |
0.336 |
|
0.021 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=3.57, mean=3.79, max.=4.01) deg. |
| Tholen spectral type |
spec_T |
C |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 2 color indices |
| SMASSII spectral type |
spec_B |
Xc |
|
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) |
|
| 143 Adria (A875 DA) Discovered 1875-Feb-23 by Palisa, J. at Pola |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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