| 164207 (2004 GU9) |
| Classification: Apollo [NEO, PHA] SPK-ID: 2164207 |
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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 76 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1360383365034941 | 2.3131e-07 | |
| a | 1.00139619979338 | 5.8568e-09 | au |
| q | .8651679265925684 | 2.285e-07 | au |
| i | 13.65018972346064 | 1.4473e-05 | deg |
| node | 38.50436090605253 | 1.6014e-05 | deg |
| peri | 279.7592522652891 | 2.6404e-05 | deg |
| M | 318.8849522892259 | 3.7214e-05 | deg |
| tp | 2459438.302825103472
(2021-Aug-11.80282510) | 3.7929e-05 | TDB |
| period | 366.0221226815329
1.00 | 3.2111e-06
8.792e-09 | d
yr |
| n | .9835471073786088 | 8.6285e-09 | deg/d |
| Q | 1.137624472994192 | 6.6535e-09 | au |
|
Additional Model Parameters
| Parameter | Value | Uncertainty (1-sigma) |
| A2 [EST] | -5.026585078425553E-14 | 1.4E-14 |
| ALN [SET] | 1. | n/a |
| NK [SET] | 0. | n/a |
| NM [SET] | 2. | n/a |
| R0 [SET] | 1. | n/a |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
21.15 |
|
n/a |
MPCxxxxx |
|
| diameter |
diameter |
0.163 |
km |
0.008 |
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M) |
|
| geometric albedo |
albedo |
0.219 |
|
0.038 |
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M) |
|
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| 164207 (2004 GU9) Discovered 2004-Apr-13 by LINEAR at Socorro |
| Reference: 20070926/Numbers.arc | Last Updated: 2007-09-30 |
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