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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 31 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1010586595814625 | 3.148e-08 | |
| a | 2.373461738884257 | 7.2802e-09 | au |
| q | 2.133602876984727 | 7.4809e-08 | au |
| i | 6.047812090089525 | 3.9058e-06 | deg |
| node | 202.6373108234548 | 3.4565e-05 | deg |
| peri | 221.0518620557317 | 4.0191e-05 | deg |
| M | 120.9169053693002 | 2.011e-05 | deg |
| tp | 2458751.903064448235
(2019-Sep-25.40306445) | 7.4421e-05 | TDB |
| period | 1335.585758710937
3.66 | 6.145e-06
1.682e-08 | d
yr |
| n | .2695446530872417 | 1.2402e-09 | deg/d |
| Q | 2.613320600783787 | 8.0159e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.68 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
4.760 |
km |
0.211 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| rotation period |
rot_per |
7.5209 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm]
[Oey, J.; Inasaridze, R.Y.; Kvaratskhelia, O.I.; Ayvazian, V.; et al. (2013) Minor Planet Bull. 40, 169-172.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2013) http://www.asu.cas.cz/~ppravec/neo.htm]
[Oey, J. (2014) Minor Planet Bull. 41, 276-281.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.] |
| geometric albedo |
albedo |
0.394 |
|
0.040 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 1979 Sakharov | Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels. |
| Named in honor of Academician Andrej Dmitrievich Sakharov, distinguished physicist and mathematician -- and a courageous individual. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: MPC 6207 | Last Updated: 2006-03-21 |
|
[ hide close-approach data ]
Close-Approach Data ...sorted by Date/Time (TDB)
|
| Date/Time (TDB) |
Time Uncertainty
(days_HH:MM) |
Body |
Nominal Distance (au) |
Minimum Distance (au) |
Maximum Distance (au) |
V-relative (km/s) |
V-infinity (km/s) |
JD (TDB) |
Time Uncertainty (minutes) |
Semi-major axis (km) |
Semi-minor axis (km) |
range-LOV angle (deg) |
N-sigma |
BP |
Orbit Ref. |
Reference |
Modified |
| 1989-Jul-08 11:06 |
< 00:01 |
Eunom |
0.0360824353955434 |
0.0360809302561057 |
0.0360839405367083 |
4.84362453106487 |
4.84362445074416 |
2447715.962365974 |
0.393527612654022 |
76.1778106188434 |
26.6164524098334 |
-10.753717396611 |
79175.8044441569 |
T |
31 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:59:39 |
2021-Feb-24 00:59 |
|
Alternate Designations
| 2006 P-L = 1971 SQ3 = 1982 SZ12 |
|
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