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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 33 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1315872135188354 | 3.239e-08 | |
| a | 2.654899722034356 | 1.117e-08 | au |
| q | 2.305548865439924 | 8.6757e-08 | au |
| i | 11.39931527042524 | 3.9395e-06 | deg |
| node | 272.3345055793463 | 2.0989e-05 | deg |
| peri | 346.5531688295492 | 2.771e-05 | deg |
| M | 63.09157666685618 | 1.7146e-05 | deg |
| tp | 2458923.589457941086
(2020-Mar-15.08945794) | 7.5437e-05 | TDB |
| period | 1580.049198446768
4.33 | 9.9721e-06
2.73e-08 | d
yr |
| n | .2278410066938992 | 1.438e-09 | deg/d |
| Q | 3.004250578628787 | 1.264e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.34 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
8.791 |
km |
0.132 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| rotation period |
rot_per |
13.2848 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] |
| geometric albedo |
albedo |
0.275 |
|
0.061 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 3313 Mendel (1980 DG) Discovered 1980-Feb-19 by Mrkos, A. at Klet |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
Alternate Designations
| 1980 DG = 1972 JB1 = 1982 TP2 |
|
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