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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 45 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2773101959344947 | 3.1626e-08 | |
| a | 2.745807167443476 | 8.4509e-09 | au |
| q | 1.984366843841386 | 8.7585e-08 | au |
| i | 17.99092258027154 | 4.3107e-06 | deg |
| node | 70.76335775344533 | 1.037e-05 | deg |
| peri | 214.8690367327625 | 1.2533e-05 | deg |
| M | 93.41690577157492 | 7.8235e-06 | deg |
| tp | 2458769.252633726112
(2019-Oct-12.75263373) | 3.5152e-05 | TDB |
| period | 1661.894606509639
4.55 | 7.6723e-06
2.101e-08 | d
yr |
| n | .2166202348752325 | 1.0001e-09 | deg/d |
| Q | 3.507247491045566 | 1.0794e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
10.37 |
|
n/a |
E2021B10 |
IRAS observations used: 29 |
| diameter |
diameter |
52.010 |
km |
1.385 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
8.882 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Barucci, M.A.; Di Martino, M.; Dotto, E.; Fulchignoni, M.; et al. (1994) Icarus 109, 267-273.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.] |
| geometric albedo |
albedo |
0.050 |
|
0.010 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| B-V |
BV |
0.731 |
|
0.020 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=8.37 deg. |
| U-B |
UB |
0.312 |
|
0.030 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=8.37 deg. |
| Tholen spectral type |
spec_T |
CDX: |
|
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) |
|
| 564 Dudu (A905 JD) Discovered 1905-May-09 by Gotz, P. at Heidelberg |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
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