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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 84 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1940237784165142 | 3.216e-08 | |
a | 2.199772875126006 | 4.3664e-09 | au |
q | 1.7729646302359 | 7.0737e-08 | au |
i | 5.666058652409169 | 3.2405e-06 | deg |
node | 29.02327493783983 | 3.3482e-05 | deg |
peri | 293.7779518975538 | 3.4252e-05 | deg |
M | 139.2225425555901 | 8.233e-06 | deg |
tp | 2458739.636566824128 (2019-Sep-13.13656682) | 2.6814e-05 | TDB |
period | 1191.695201781475 3.26 | 3.5481e-06 9.714e-09 | d yr |
n | .3020906683704297 | 8.9944e-10 | deg/d |
Q | 2.626581120016113 | 5.2135e-09 | au |
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| | 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 |
11.33 |
|
n/a |
E2021B10 |
IRAS observations used: 21 |
diameter |
diameter |
15.830 |
km |
0.820 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
rotation period |
rot_per |
318. |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Skiff, B.A. (2014) Posting on CALL web site. http://www.minorplanet.info/call.html] [Pilcher, F.; Franco, L.; Pravec, P. (2017) Minor Planet Bull. 44, 87-90.] [Polakis, T.; Skiff, B.A. (2017) Minor Planet Bull. 44, 299-302.] |
geometric albedo |
albedo |
0.425 |
|
0.037 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
B-V |
BV |
0.920 |
|
0.020 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=9.18 deg. |
Tholen spectral type |
spec_T |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 1 color indices; used ground-based radiometric albedo |
|
341 California (A892 SE) Discovered 1892-Sep-25 by Wolf, M. at Heidelberg |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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