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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 43 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1418121556337401 | 1.4536e-08 | |
a | 2.19730962320417 | 4.3969e-09 | au |
q | 1.885704408942826 | 3.1162e-08 | au |
i | 4.896507121409873 | 1.009e-06 | deg |
node | 333.1187438434571 | 1.0225e-05 | deg |
peri | 306.5055974135021 | 9.9539e-06 | deg |
M | 306.9682637514225 | 9.7447e-06 | deg |
tp | 2459375.754290412360 (2021-Jun-10.25429041) | 3.2384e-05 | TDB |
period | 1189.694115476784 3.26 | 3.5709e-06 9.777e-09 | d yr |
n | .3025987901568513 | 9.0826e-10 | deg/d |
Q | 2.508914837465515 | 5.0204e-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 |
11.98 |
|
n/a |
E2021B10 |
|
diameter |
diameter |
8.917 |
km |
0.186 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
rotation period |
rot_per |
66.70 |
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: [Alvarez, E.M. (2011) Minor Planet Bull. 38, 180-181.] [Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.] |
geometric albedo |
albedo |
0.277 |
|
0.093 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N) |
|
SMASSII spectral type |
spec_B |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) |
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819 Barnardiana (A916 EA) Discovered 1916-Mar-03 by Wolf, M. at Heidelberg |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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Alternate Designations
A916 EA = 1930 QX = 1955 EB = A904 SC |
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