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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 44 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1311158864050001 | 2.5431e-08 | |
| a | 2.457800816299476 | 8.0224e-09 | au |
| q | 2.135544083663438 | 6.2175e-08 | au |
| i | 5.701954594144438 | 4.4508e-06 | deg |
| node | 152.0233610513579 | 3.0597e-05 | deg |
| peri | 101.9265830271859 | 3.5924e-05 | deg |
| M | 148.6343995732661 | 1.8493e-05 | deg |
| tp | 2458419.420859624202
(2018-Oct-27.92085962) | 7.2149e-05 | TDB |
| period | 1407.402937246518
3.85 | 6.8907e-06
1.887e-08 | d
yr |
| n | .2557902861168629 | 1.2524e-09 | deg/d |
| Q | 2.780057548935515 | 9.0742e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.7 |
|
n/a |
MPO347557 |
|
| diameter |
diameter |
7.450 |
km |
0.139 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
5.134 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Stephens, R.D. (2016) Minor Planet Bull. 43, 52-56.]
[Stephens, R.D.; Warner, B.D. (2020) Minor Planet Bull. 47, 224-230.] |
| geometric albedo |
albedo |
0.265 |
|
0.053 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
|
| 4302 Markeev (1968 HP) Discovered 1968-Apr-22 by Smirnova, T. M. at Nauchnyj |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
[ show close-approach data ]
Alternate Designations
| 1968 HP = 1960 DA = 1976 KK = 1996 TZ67 |
|
|
