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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 27 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1273642304778938 | 4.3463e-08 | |
a | 3.068942304719382 | 2.0435e-08 | au |
q | 2.678068829697744 | 1.3189e-07 | au |
i | 10.91219731673024 | 4.1809e-06 | deg |
node | 131.3734254289752 | 2.3963e-05 | deg |
peri | 257.4882895922564 | 2.8995e-05 | deg |
M | 96.11479491283617 | 1.5807e-05 | deg |
tp | 2458676.212799277969 (2019-Jul-11.71279928) | 8.6347e-05 | TDB |
period | 1963.728814394258 5.38 | 1.9613e-05 5.37e-08 | d yr |
n | .1833247021488797 | 1.831e-09 | deg/d |
Q | 3.45981577974102 | 2.3037e-08 | au |
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| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2457630.5 (2016-Aug-30.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .124998758820754 | 4.3254e-08 | |
q | 2.688051861133062 | 1.3058e-07 | au |
tp | 2456709.596044703818 (2014-Feb-21.09604470) | 9.2304e-05 | TDB |
node | 131.4719295286742 | 2.3951e-05 | deg |
peri | 257.0628036389997 | 2.9224e-05 | deg |
i | 10.91051597680547 | 4.1807e-06 | deg |
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| | Orbit Determination Parameters
Additional Information
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Orbit Covariance (6×6)
|
|
e |
q |
tp |
node |
peri |
i |
e |
1.870922199648706E-15 |
-5.595045329627443E-15 |
-1.853653223153248E-13 |
-6.553326316779062E-15 |
-6.545581943779286E-14 |
-9.094036458187314E-16 |
q |
-5.595045329627443E-15 |
1.70524079458152E-14 |
6.50268611632583E-14 |
1.803596619572713E-14 |
1.326331398568436E-13 |
3.438174440588676E-15 |
tp |
-1.853653223153248E-13 |
6.50268611632583E-14 |
8.520032151506292E-9 |
-3.815511337766162E-12 |
1.567241167668556E-9 |
-6.895705570385145E-12 |
node |
-6.553326316779062E-15 |
1.803596619572713E-14 |
-3.815511337766162E-12 |
5.736422071571177E-10 |
-5.641024803880815E-10 |
6.123538764507724E-12 |
peri |
-6.545581943779286E-14 |
1.326331398568436E-13 |
1.567241167668556E-9 |
-5.641024803880815E-10 |
8.540158426293932E-10 |
-7.116790162824784E-12 |
i |
-9.094036458187314E-16 |
3.438174440588676E-15 |
-6.895705570385145E-12 |
6.123538764507724E-12 |
-7.116790162824784E-12 |
1.747825379551752E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
14.54 |
|
n/a |
E2020-QM9 |
|
diameter |
diameter |
4.656 |
km |
0.906 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
rotation period |
rot_per |
5.3 |
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: [Polishook, D.; Ofek, E.O.; Waszczak, A.; Kulkarni, S.R.; et al. (2012). Mon. Not. Royal Ast. Soc. 421, 2094-2108.] [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] |
geometric albedo |
albedo |
0.170 |
|
0.037 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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|
78296 (2002 PT53) Discovered 2002-Aug-08 by NEAT at Palomar |
Reference: 20040415/Numbers.arc | Last Updated: 2004-04-19 |
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[ hide close-approach data ]
Close-Approach Data ...sorted by Date/Time (TDB)
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Date/Time (TDB) |
Time Uncertainty (days_HH:MM) |
Body |
Nominal Distance (au) |
Minimum Distance (au) |
Maximum Distance (au) |
V-relative (km/s) |
V-infinity (km/s) |
JD (TDB) |
Time Uncertainty (minutes) |
Semi-major axis (km) |
Semi-minor axis (km) |
range-LOV angle (deg) |
N-sigma |
BP |
Orbit Ref. |
Reference |
Modified |
2034-Jul-31 11:36 |
< 00:01 |
Hygie |
0.028545372942999 |
0.0285394049584581 |
0.0285513415975065 |
5.95185422757212 |
5.95185400015957 |
2464174.983186373 |
0.789317848240937 |
372.784458617203 |
72.9813662997156 |
-37.9437465119059 |
37063.034589724 |
T |
27 |
CATAB v2.0f-lin.ifort 2021-Feb-24 07:14:31 |
2021-Feb-24 07:14 |
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