| 164202 (2004 EW) |
| Classification: Aten [NEO, PHA] SPK-ID: 2164202 |
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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 74 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .278992315207128 | 3.4747e-07 | |
| a | .9879217743133085 | 7.7236e-09 | au |
| q | .7122991912541048 | 3.4875e-07 | au |
| i | 4.669002041173585 | 8.0994e-06 | deg |
| node | 342.9119482062643 | 2.1538e-05 | deg |
| peri | 56.19234202560317 | 2.9757e-05 | deg |
| M | 114.6014490123888 | 8.8843e-05 | deg |
| tp | 2459086.325302042753
(2020-Aug-24.82530204) | 8.724e-05 | TDB |
| period | 358.6594377193752
0.98 | 4.206e-06
1.152e-08 | d
yr |
| n | 1.003737702510072 | 1.1771e-08 | deg/d |
| Q | 1.263544357372512 | 9.8785e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
20.8 |
|
n/a |
MPO264343 |
|
| rotation period |
rot_per |
11.1 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Hasegawa, S.; Kuroda, D.; Kitazato, K.; Kasuga, T.; et al. (2018) Pub. Astron. Soc. Japan 70, A114.] |
|
| 164202 (2004 EW) Discovered 2004-Mar-13 by CSS at Catalina |
| Reference: 20070926/Numbers.arc | Last Updated: 2007-09-30 |
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