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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 33 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .08216474338544984 | 1.5683e-08 | |
a | 2.278523170143821 | 6.3608e-09 | au |
q | 2.091308898571152 | 3.5178e-08 | au |
i | 5.321420292572226 | 5.7142e-07 | deg |
node | 89.20051811942507 | 5.6605e-06 | deg |
peri | 249.2992928948069 | 1.2466e-05 | deg |
M | 267.564473671323 | 9.9059e-06 | deg |
tp | 2459523.063348200737 (2021-Nov-04.56334820) | 3.5046e-05 | TDB |
period | 1256.257306734666 3.44 | 5.2605e-06 1.44e-08 | d yr |
n | .2865654974264245 | 1.2e-09 | deg/d |
Q | 2.465737441716489 | 6.8834e-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 |
13.44 |
|
n/a |
E2021B10 |
|
diameter |
diameter |
5.269 |
km |
0.042 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
rotation period |
rot_per |
5.062 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Stephens R.D. (2017) Minor Planet Bull. 44, 321-323.] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] |
geometric albedo |
albedo |
0.349 |
|
0.029 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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6921 Janejacobs | Discovered 1993 May 14 by S. Ueda and H. Kaneda at Kushiro. |
Having moved to New York City during the Depression, Jane Jacobs (1916-2006) was way ahead of her time in championing the idea that cities are more important than nations in the "real economic world". Cities should not be laboratories for ill-placed expressways and housing projects but left to develop by themselves. |
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
Reference: 20060613/MPCPages.arc | Last Updated: 2008-05-22 |
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Alternate Designations
1993 JJ = 1976 MB = 1977 XV2 = 1980 TU1 = 1984 YN = 1987 SH22 = 1990 HE2 = 1990 MV1 = 1992 BF5 |
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