163899 (2003 SD220) |
Classification: Aten [NEO, PHA] SPK-ID: 2163899 |
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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 118 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2106631489413145 | 1.2818e-08 | |
a | .8266894579364465 | 2.3497e-09 | au |
q | .6525364535309663 | 1.1633e-08 | au |
i | 8.514896073188588 | 2.4065e-06 | deg |
node | 273.9156702953292 | 2.7207e-06 | deg |
peri | 326.9343547763833 | 4.8558e-06 | deg |
M | 192.5108666951268 | 4.6431e-06 | deg |
tp | 2459128.230955388757 (2020-Oct-05.73095539) | 3.8005e-06 | TDB |
period | 274.5440437395515 0.75 | 1.1705e-06 3.205e-09 | d yr |
n | 1.311265016339298 | 5.5905e-09 | deg/d |
Q | 1.000842462341927 | 2.8447e-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 |
17.9 |
|
n/a |
MPO493931 |
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diameter |
diameter |
0.791 |
km |
0.025 |
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N) |
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rotation period |
rot_per |
285. |
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: [Warner, B.D. (2016) Minor Planet Bull. 43, 143-154.] [Skiff, B.A.; McLelland, K.P.; Sanborn, J.J.; Pravec, P.; Koehn, B.W. (2019) Minor Plantet Bull. 46, 238-265.] |
geometric albedo |
albedo |
0.340 |
|
0.042 |
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N) |
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163899 (2003 SD220) Discovered 2003-Sep-29 by LONEOS at Anderson Mesa |
Reference: 20070926/Numbers.arc | Last Updated: 2007-09-30 |
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