[ hide orbit diagram ]
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 38 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .09295934754185682 | 4.0376e-08 | |
a | 3.174976302730294 | 1.5025e-08 | au |
q | 2.879832577167629 | 1.3105e-07 | au |
i | 15.64966226012648 | 4.4147e-06 | deg |
node | 70.81084810965268 | 1.5672e-05 | deg |
peri | 291.5686307763732 | 2.7799e-05 | deg |
M | 284.4567088901498 | 2.4841e-05 | deg |
tp | 2459434.113265107300 (2021-Aug-07.61326511) | 0.00014393 | TDB |
period | 2066.375096256217 5.66 | 1.4668e-05 4.016e-08 | d yr |
n | .174218127508522 | 1.2367e-09 | deg/d |
Q | 3.470120028292959 | 1.6422e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
9.3 |
|
n/a |
MPO358633 |
|
diameter |
diameter |
64.255 |
km |
1.718 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
rotation period |
rot_per |
16.35 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Stephens, R.D. (2002) Minor Planet Bull. 29, 72-73.] [Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] |
geometric albedo |
albedo |
0.100 |
|
0.020 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
|
818 Kapteynia (A916 DF) Discovered 1916-Feb-21 by Wolf, M. at Heidelberg |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
|