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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 43 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2272603512781863 | 3.7782e-08 | |
| a | 2.762964066575825 | 9.2243e-09 | au |
| q | 2.135051882236797 | 1.0281e-07 | au |
| i | 6.219264826836929 | 3.7174e-06 | deg |
| node | 66.89121301470153 | 3.7951e-05 | deg |
| peri | 271.2179043578273 | 3.9052e-05 | deg |
| M | 214.0293409858297 | 1.2281e-05 | deg |
| tp | 2459880.680770900399
(2022-Oct-28.18077090) | 5.8781e-05 | TDB |
| period | 1677.495184154599
4.59 | 8.4006e-06
2.3e-08 | d
yr |
| n | .2146056831641087 | 1.0747e-09 | deg/d |
| Q | 3.390876250914853 | 1.1321e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
9.77 |
|
n/a |
E2021B10 |
IRAS observations used: 4 |
| diameter |
diameter |
29.970 |
km |
0.269 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
16.53 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Gil-Hutton, R. (1992) Rev. Mexicana Astron. Astrof. 24, 43-44.]
[Lagerkvist, C.-I.; Magnusson, P.; Debehogne, H.; Hoffmann, M.; et al. (1992) Astron. Astrophys. Suppl. Ser. 95, 461-470.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Kaasalainen, M.; Warner, B.D.; Fauerbach, M.; et al. (2009) Astron. Astrophys. 493, 291-297.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.] |
| geometric albedo |
albedo |
0.294 |
|
0.037 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| B-V |
BV |
0.826 |
|
0.029 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=3; phase (min.=4.23, mean=12.50, max.=18.40) deg. |
| U-B |
UB |
0.411 |
|
0.044 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=3; phase (min.=4.23, mean=12.50, max.=18.40) deg. |
| Tholen spectral type |
spec_T |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices |
| SMASSII spectral type |
spec_B |
S |
|
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) |
|
| 394 Arduina (A894 WB) Discovered 1894-Nov-19 by Borrelly, A. at Marseille |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
Alternate Designations
| A894 WB = A906 HA = A912 TB = A916 LB |
|
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