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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.
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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1216872205252275 | 7.7841e-08 | |
a | 2.539416770829273 | 1.3622e-08 | au |
q | 2.23040220223191 | 2.0039e-07 | au |
i | 12.94088605246298 | 6.1562e-06 | deg |
node | 193.2471879047837 | 1.7025e-05 | deg |
peri | 170.237676262376 | 2.3373e-05 | deg |
M | 206.8335391876112 | 1.9073e-05 | deg |
tp | 2459229.369567321827 (2021-Jan-14.86956732) | 8.0923e-05 | TDB |
period | 1478.084973923651 4.05 | 1.1893e-05 3.256e-08 | d yr |
n | .2435583923462546 | 1.9598e-09 | deg/d |
Q | 2.848431339426636 | 1.528e-08 | 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 |
14.9 |
|
n/a |
MPO436015 |
|
diameter |
diameter |
3.160 |
km |
0.443 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
geometric albedo |
albedo |
0.213 |
|
0.094 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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|
35775 (1999 JW9) Discovered 1999-May-08 by CSS at Catalina |
Reference: 20020227/Numbers.arc | Last Updated: 2004-04-19 |
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[ hide close-approach data ]
Close-Approach Data ...sorted by Date/Time (TDB)
|
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 |
2149-Aug-12 08:40 |
00:03 |
Hebe |
0.0200580173089708 |
0.0200342716714988 |
0.0200817649738219 |
4.20093381332643 |
4.20093373954897 |
2506189.861016827 |
3.3620617820997 |
1225.41644766956 |
35.4546755485195 |
-15.0423014821592 |
22076.7609949128 |
T |
18 |
CATAB v2.0e-lin.ifort 2019-May-30 03:55:35 |
2019-May-30 03:55 |
2180-Jul-09 00:16 |
00:02 |
Eunom |
0.0388739749805412 |
0.038864414296169 |
0.0388835538318699 |
5.80754193423693 |
5.8075418720581 |
2517478.511291700 |
2.2233135024048 |
1412.93187676572 |
43.1060501643686 |
70.3443616604588 |
126992.223749928 |
T |
18 |
CATAB v2.0e-lin.ifort 2019-May-30 03:55:35 |
2019-May-30 03:55 |
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