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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 38 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1942258405713521 | 3.952e-08 | |
| a | 2.8019125422902 | 9.9784e-09 | au |
| q | 2.257708723556472 | 1.0961e-07 | au |
| i | 8.103677541188075 | 4.3374e-06 | deg |
| node | 317.245946441579 | 2.2835e-05 | deg |
| peri | 53.19566934562258 | 2.5356e-05 | deg |
| M | 92.66082459794009 | 9.1186e-06 | deg |
| tp | 2458759.565632889285
(2019-Oct-03.06563289) | 4.3565e-05 | TDB |
| period | 1713.090433293921
4.69 | 9.1512e-06
2.505e-08 | d
yr |
| n | .2101465240850093 | 1.1226e-09 | deg/d |
| Q | 3.346116361023928 | 1.1916e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.79 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
16.727 |
km |
0.276 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| geometric albedo |
albedo |
0.041 |
|
0.012 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| SMASSII spectral type |
spec_B |
B |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) |
|
| 5102 Benfranklin (1986 RD1) Discovered 1986-Sep-02 by Mrkos, A. at Klet |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
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Alternate Designations
| 1986 RD1 = 1930 UA1 = 1939 PB = 1988 AJ1 |
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