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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 | .09103638950125524 | 3.5152e-08 | |
| a | 2.79416500114468 | 1.2005e-08 | au |
| q | 2.539794307769698 | 9.8478e-08 | au |
| i | 9.343503009183072 | 4.5752e-06 | deg |
| node | 20.92498342849882 | 2.1427e-05 | deg |
| peri | 134.3347800348352 | 3.1518e-05 | deg |
| M | 78.25575755681898 | 2.262e-05 | deg |
| tp | 2458629.656817995832
(2019-May-26.15681800) | 0.000107 | TDB |
| period | 1705.990072673794
4.67 | 1.0995e-05
3.01e-08 | d
yr |
| n | .2110211576060187 | 1.36e-09 | deg/d |
| Q | 3.048535694519662 | 1.3098e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.64 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
8.478 |
km |
0.172 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| geometric albedo |
albedo |
0.345 |
|
0.035 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| SMASSII spectral type |
spec_B |
S |
|
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) |
|
| 4702 Berounka | Discovered 1987 Apr. 23 by A. Mrkos at Klet. |
| Named for a Czech river originating in Plzeň as a confluence of four rivers: Mže, Radbúza, Úhlava and Úslava. It continues through the town of Beroun to its confluence with the Vltava river near Prague. Name proposed by Z. Moravec. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 19990402/MPCPages.arc | Last Updated: 2010-06-11 |
|
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Alternate Designations
| 1987 HW = 1973 GP = 1980 XU1 = 1984 SG7 = 1989 UJ5 |
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