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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 37 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2891888249873914 | 3.239e-08 | |
| a | 2.783944573417754 | 7.2974e-09 | au |
| q | 1.978858913401049 | 8.8778e-08 | au |
| i | 16.68301338136754 | 4.4898e-06 | deg |
| node | 218.409869467621 | 1.0123e-05 | deg |
| peri | 139.2859946179232 | 1.2518e-05 | deg |
| M | 353.989429296419 | 6.1849e-06 | deg |
| tp | 2459028.827125918170
(2020-Jun-28.32712592) | 2.9194e-05 | TDB |
| period | 1696.638444742979
4.65 | 6.671e-06
1.826e-08 | d
yr |
| n | .2121842759814015 | 8.3428e-10 | deg/d |
| Q | 3.589030233434459 | 9.4078e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.5 |
|
n/a |
MPO350812 |
|
| diameter |
diameter |
18.953 |
km |
0.258 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| rotation period |
rot_per |
5.1607 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Szekely, P.; Kiss, L.L.; Szabo, Gy.M.; Sarneczky, K.; et al. (2005) Planet. Space Sci. 53, 925-936.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2015) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] |
| geometric albedo |
albedo |
0.042 |
|
0.006 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| SMASSII spectral type |
spec_B |
Cg |
|
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) |
|
| 1695 Walbeck | Discovered 1941 Oct. 15 by L. Oterma at Turku. |
| Named in memory of H. J. Walbeck (1793-1822), astronomer at the old Academia Aboensis who used the method of least squares to derive a good value for the earth's flattening. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: MPC 5281 | Last Updated: 2007-10-23 |
|
[ show close-approach data ]
Alternate Designations
| 1941 UO = 1964 QA = 1964 RE = 2019 GD26 |
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