| 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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 93 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .6367140649058279 | 4.348e-08 | |
| a | 2.215959844109412 | 1.3288e-08 | au |
| q | .8050270440984234 | 9.5041e-08 | au |
| i | 29.44823684630115 | 1.0213e-05 | deg |
| node | 269.7998299329423 | 1.2428e-05 | deg |
| peri | 287.2633580176754 | 1.3502e-05 | deg |
| M | 113.9005857644827 | 7.5991e-06 | deg |
| tp | 2458819.289624054558
(2019-Dec-01.78962405) | 2.2058e-05 | TDB |
| period | 1204.872954947989
3.30 | 1.0837e-05
2.967e-08 | d
yr |
| n | .2987866882741511 | 2.6875e-09 | deg/d |
| Q | 3.6268926441204 | 2.1748e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.37 |
|
n/a |
E2021B10 |
|
| 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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