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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 44 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1717677086403323 | 1.0673e-08 | |
a | 2.67763872320217 | 8.6793e-09 | au |
q | 2.217706855151108 | 2.8052e-08 | au |
i | 11.93747633534056 | 5.1199e-07 | deg |
node | 325.5417982457021 | 3.9703e-06 | deg |
peri | 7.280828491672752 | 8.7387e-06 | deg |
M | 99.30702334835891 | 5.4746e-06 | deg |
tp | 2458759.027291911054 (2019-Oct-02.52729191) | 2.3735e-05 | TDB |
period | 1600.392092657029 4.38 | 7.7812e-06 2.13e-08 | d yr |
n | .2249448754788053 | 1.0937e-09 | deg/d |
Q | 3.137570591253231 | 1.017e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
12.19 |
|
n/a |
E2021B10 |
|
diameter |
diameter |
11.196 |
km |
0.078 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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rotation period |
rot_per |
5.11 |
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: [Angeli, C.A.; Guimaraes, T.A.; Lazzaro, D.; Duffard, R.; et al. (2001) Astron. J. 121, 2245-2252.] |
geometric albedo |
albedo |
0.140 |
|
0.025 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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6260 Kelsey (1949 PN) Discovered 1949-Aug-02 by Reinmuth, K. at Heidelberg |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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[ show close-approach data ]
Alternate Designations
1949 PN = 1949 QR = 1991 CF1 |
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