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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 39 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2215713411112366 | 1.9972e-08 | |
| a | 2.328508125187829 | 5.1815e-09 | au |
| q | 1.812577457101551 | 4.7489e-08 | au |
| i | 10.08812087921647 | 5.9933e-07 | deg |
| node | 61.33228591784431 | 2.4907e-06 | deg |
| peri | 202.9918946375579 | 3.8248e-06 | deg |
| M | 70.48162170332724 | 4.4364e-06 | deg |
| tp | 2458946.409486552978
(2020-Apr-06.90948655) | 1.5646e-05 | TDB |
| period | 1297.821795672583
3.55 | 4.3319e-06
1.186e-08 | d
yr |
| n | .2773878518609973 | 9.2588e-10 | deg/d |
| Q | 2.844438793274108 | 6.3296e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
10.20 |
|
n/a |
E2021B10 |
IRAS observations used: 2 |
| diameter |
diameter |
20.922 |
km |
0.827 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| rotation period |
rot_per |
9.85 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Van Houten, C.J. (1962) Bul. Astron. Inst. Netherlands 16, 160-162.]
[Binzel, R.P. (1987) Icarus 72, 135-208.]
[Durech, J. (2006) IAU 2006, poster paper.]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.] |
| geometric albedo |
albedo |
0.333 |
|
0.050 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| B-V |
BV |
0.936 |
|
0.028 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=10.51 deg. |
| U-B |
UB |
0.491 |
|
0.038 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=10.51 deg. |
| Tholen spectral type |
spec_T |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 2 color indices |
| SMASSII spectral type |
spec_B |
L |
|
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) |
|
| 753 Tiflis (A913 HH) Discovered 1913-Apr-30 by Neujmin, G. and Belyavskij, M. at Simeis |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
[ show close-approach data ]
Alternate Designations
| A913 HH = A907 VK = A909 DD |
|
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