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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 116 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1901002883680566 | 2.2429e-08 | |
| a | 2.445056265866957 | 3.1616e-09 | au |
| q | 1.980250364649525 | 5.5556e-08 | au |
| i | 4.612225717726504 | 2.0915e-07 | deg |
| node | 206.5325974974878 | 3.0052e-06 | deg |
| peri | 201.5238581290778 | 4.5491e-06 | deg |
| M | 23.06396424247169 | 5.4606e-06 | deg |
| tp | 2459111.032939494410
(2020-Sep-18.53293949) | 2.111e-05 | TDB |
| period | 1396.47033109347
3.82 | 2.7085e-06
7.415e-09 | d
yr |
| n | .2577928023133232 | 5.0001e-10 | deg/d |
| Q | 2.90986216708439 | 3.7626e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
7.99 |
|
n/a |
E2021B10 |
IRAS observations used: 12 |
| magnitude slope |
G |
0.25 |
|
n/a |
PDS3 (MPC 17257) |
Fit |
| diameter |
diameter |
63.479 |
km |
0.952 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
5.978 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Scaltriti, F.; Zappala, V. (1976) Astron. Astrophys. Suppl. Ser. 23, 167-179.]
[Schober, H.J. (1976) Icarus 28, 415-420.]
[Michalowski, T.; Velichko, F.P. (1990) Acta Astronomica 40, 321-332.]
[De Angelis, G. (1993) Planet. Space Sci. 41, 285-290.]
[De Angelis, G.; Mottola, S. (1995) Planet. Space Sci. 43, 1013-1017.]
[Michalowski, T. (1996) Icarus 123, 456-462.]
[Shevchenko, V.G.; Chiorny, V.G.; Kalashnikov, A.V.; Krugly, Yu.N.; et al. (1996) Astron. Astrophys. Suppl. Ser. 115, 475-479.]
[Szabo, Gy.; Sarneczky, K.; Kiss, L.L. (1999) in Proc. IAU Coll. 173, Evolution and Source Regions of Asteroids and Comets, 185-188.]
[Torppa, J.; Hentunen, V.-P.; Paakkonen, P.; Kehusmaa, P.; Muinonen, K. (2008) Icarus 198, 91-107.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.] |
| geometric albedo |
albedo |
0.287 |
|
0.046 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| B-V |
BV |
0.874 |
|
0.035 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=5; phase (min.=17.34, mean=20.18, max.=23.85) deg. |
| U-B |
UB |
0.421 |
|
0.016 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=4; phase (min.=17.34, mean=20.70, max.=23.85) deg. |
| Tholen spectral type |
spec_T |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices; used ground-based radiometric albedo |
| 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) |
|
| 79 Eurynome (A863 RA) Discovered 1863-Sep-14 by Watson, J. C. at Ann Arbor |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
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