| 17188 (1999 WC2) |
| Classification: Apollo [NEO] SPK-ID: 2017188 |
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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 92 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .636608784409097 | 4.3466e-08 | |
| a | 2.216563881702091 | 1.3353e-08 | au |
| q | .8054798434066135 | 9.5033e-08 | au |
| i | 29.44916688360373 | 1.0213e-05 | deg |
| node | 269.8071004183831 | 1.2424e-05 | deg |
| peri | 287.2807581685177 | 1.3499e-05 | deg |
| M | 54.12151747216767 | 7.0663e-06 | deg |
| tp | 2458819.288285481661
(2019-Dec-01.78828548) | 2.2051e-05 | TDB |
| period | 1205.365634105701
3.30 | 1.0892e-05
2.982e-08 | d
yr |
| n | .2986645626968578 | 2.6988e-09 | deg/d |
| Q | 3.627647919997569 | 2.1853e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.5 |
|
n/a |
MPO267773 |
|
| diameter |
diameter |
1.819 |
km |
0.227 |
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M) |
|
| rotation period |
rot_per |
5.0638 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Vaduvescu, O.; Aznar, A.M.; Tudor, V.; Predatu, M.; et al. (2017) Earth, Moon, and Planets 120, 41-100.] |
| geometric albedo |
albedo |
0.147 |
|
0.041 |
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M) |
|
|
| 17188 (1999 WC2) Discovered 1999-Nov-17 by LINEAR at Socorro |
| Reference: 20000913/Numbers.arc | Last Updated: 2004-04-19 |
|
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