| 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 155 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .4345260341513971 | 5.3934e-08 | |
| a | .8763943313872142 | 1.1241e-09 | au |
| q | .4955781782167628 | 4.6756e-08 | au |
| i | 5.417653577307195 | 3.7232e-06 | deg |
| node | 259.4797831674918 | 1.1212e-05 | deg |
| peri | 222.2323366377372 | 1.1273e-05 | deg |
| M | 83.77384182255497 | 9.561e-06 | deg |
| tp | 2458930.764535463712
(2020-Mar-22.26453546) | 7.8916e-06 | TDB |
| period | 299.6731042398565
0.82 | 5.7656e-07
1.579e-09 | d
yr |
| n | 1.20130900940599 | 2.3113e-09 | deg/d |
| Q | 1.257210484557666 | 1.6126e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
20.1 |
|
n/a |
MPO385721 |
|
| diameter |
diameter |
0.735 |
km |
0.243 |
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M) |
|
| 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) |
|
|
| 163348 (2002 NN4) Discovered 2002-Jul-09 by LINEAR at Socorro |
| Reference: 20070926/Numbers.arc | Last Updated: 2007-09-30 |
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