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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1438792170586803 | 2.8641e-08 | |
| a | 2.52706739054569 | 9.7213e-09 | au |
| q | 2.163474912939454 | 7.1292e-08 | au |
| i | 11.95384101583005 | 3.8437e-06 | deg |
| node | 51.46356719615768 | 1.5089e-05 | deg |
| peri | 264.8129698979212 | 2.1605e-05 | deg |
| M | 196.4781641983658 | 1.7183e-05 | deg |
| tp | 2459666.995030643528
(2022-Mar-28.49503064) | 7.169e-05 | TDB |
| period | 1467.31603064153
4.02 | 8.4669e-06
2.318e-08 | d
yr |
| n | .245345918999197 | 1.4157e-09 | deg/d |
| Q | 2.890659868151926 | 1.112e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2456984.5 (2014-Nov-23.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1450984861573354 | 2.874e-08 | |
| q | 2.159684492040595 | 7.1624e-08 | au |
| tp | 2456730.379717375417
(2014-Mar-13.87971738) | 6.4896e-05 | TDB |
| node | 51.54809469787519 | 1.5109e-05 | deg |
| peri | 264.3132865747437 | 2.1489e-05 | deg |
| i | 11.94820770271625 | 3.8414e-06 | deg |
|
| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
| |
e |
q |
tp |
node |
peri |
i |
| e |
8.259832537826064E-16 |
-2.045156392575441E-15 |
6.206784255449322E-13 |
-5.629676277693575E-15 |
1.379640660687961E-13 |
1.866627307543175E-15 |
| q |
-2.045156392575441E-15 |
5.130044077689572E-15 |
-1.436663895667101E-12 |
1.4035869843332E-14 |
-3.17094805581225E-13 |
-4.542211995285238E-15 |
| tp |
6.206784255449322E-13 |
-1.436663895667101E-12 |
4.211503262993483E-9 |
-8.2390142182625E-12 |
1.000892604257817E-9 |
-2.563620438422315E-12 |
| node |
-5.629676277693575E-15 |
1.4035869843332E-14 |
-8.2390142182625E-12 |
2.282915012396439E-10 |
-2.24852002720861E-10 |
-9.657633618969626E-12 |
| peri |
1.379640660687961E-13 |
-3.17094805581225E-13 |
1.000892604257817E-9 |
-2.24852002720861E-10 |
4.617770990227324E-10 |
8.781957588091507E-12 |
| i |
1.866627307543175E-15 |
-4.542211995285238E-15 |
-2.563620438422315E-12 |
-9.657633618969626E-12 |
8.781957588091507E-12 |
1.475624338808466E-11 |
|
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.0 |
|
n/a |
MPO324539 |
|
| rotation period |
rot_per |
2.76397 |
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.] |
|
| 24940 Sankichiyama | Discovered 1997 May 1 by T. Okuni at Nanyo. |
| Sankichiyama mountain is located to the east of Kaminoyama, a hot-spring town in Yamagata prefecture. The mountain is loved by citizens as a hiking course. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20110715/MPCPages.arc | Last Updated: 2011-07-20 |
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