163348 (2002 NN4) |
Classification: Aten [NEO, PHA] SPK-ID: 2163348 |
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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 155 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .434615407333441 | 5.3896e-08 | |
a | .875885524789575 | 1.3687e-09 | au |
q | .4952121806556892 | 4.6609e-08 | au |
i | 5.420558646793915 | 3.7306e-06 | deg |
node | 259.4688480396087 | 1.1205e-05 | deg |
peri | 222.1702113606232 | 1.1227e-05 | deg |
M | 324.3351940266059 | 9.6723e-06 | deg |
tp | 2459230.162436083841 (2021-Jan-15.66243608) | 8.0634e-06 | TDB |
period | 299.4121711512709 0.82 | 7.018e-07 1.921e-09 | d yr |
n | 1.202355931676934 | 2.8182e-09 | deg/d |
Q | 1.256558868923461 | 1.9635e-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 |
20.08 |
|
n/a |
E2021B55 |
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diameter |
diameter |
0.735 |
km |
0.243 |
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M) |
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rotation period |
rot_per |
14.50 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Warner, B.D. (2017) Minor Planet Bull. 44, 22-36.] |
geometric albedo |
albedo |
0.030 |
|
0.027 |
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M) |
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163348 (2002 NN4) Discovered 2002-Jul-09 by LINEAR at Socorro |
Reference: 20070926/Numbers.arc | Last Updated: 2007-09-30 |
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