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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 33 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1410325569074064 | 3.585e-08 | |
| a | 3.219137843458081 | 1.6674e-08 | au |
| q | 2.765134602357793 | 1.173e-07 | au |
| i | 1.38550262469664 | 3.6292e-06 | deg |
| node | 65.44790536519352 | 0.00018565 | deg |
| peri | 335.1239456995213 | 0.00018622 | deg |
| M | 64.45885407780088 | 1.5235e-05 | deg |
| tp | 2458622.764443657892
(2019-May-19.26444366) | 8.8316e-05 | TDB |
| period | 2109.637259747547
5.78 | 1.6391e-05
4.488e-08 | d
yr |
| n | .1706454502244997 | 1.3258e-09 | deg/d |
| Q | 3.673141084558368 | 1.9025e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.1 |
|
n/a |
MPO458916 |
|
| diameter |
diameter |
11.560 |
km |
0.333 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.080 |
|
0.016 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 8755 Querquedula | Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels. |
| Named for anas querquedula, or garganey. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 19990202/MPCPages.arc | Last Updated: 2010-06-11 |
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