[ hide orbit diagram ]
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 10 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1055978334132654 | 5.3407e-08 | |
a | 1.981620982198899 | 1.6152e-08 | au |
q | 1.772366099832428 | 1.1e-07 | au |
i | 18.90416263302661 | 5.715e-06 | deg |
node | 233.6747631028039 | 2.0436e-05 | deg |
peri | 229.8886644314392 | 5.7158e-05 | deg |
M | 298.3727840402458 | 5.6675e-05 | deg |
tp | 2459374.921237298540 (2021-Jun-09.42123730) | 0.00016204 | TDB |
period | 1018.894727752764 2.79 | 1.2457e-05 3.411e-08 | d yr |
n | .3533240384843314 | 4.3199e-09 | deg/d |
Q | 2.19087586456537 | 1.7858e-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 |
17.9 |
|
n/a |
MPO368388 |
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|
349922 (2009 TW42) Discovered 2009-Oct-01 by Charleston at Charleston |
Reference: 20121228/Numbers.arc | Last Updated: 2013-01-02 |
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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 |
2076-Nov-13 23:27 |
00:05 |
Iris |
0.0377592998834313 |
0.0377054093175845 |
0.0378132444597621 |
6.46015910902379 |
6.4601590854567 |
2479621.477261804 |
5.31565327271612 |
3506.95623900993 |
69.6758770109105 |
39.9675385186134 |
52078.8592235027 |
T |
10 |
CATAB v2.0f-lin.ifort 2021-Feb-24 16:08:05 |
2021-Feb-24 16:08 |
2180-Feb-03 14:28 |
00:16 |
Iris |
0.0241028574993974 |
0.0240952435220383 |
0.0241117686884439 |
6.28374267823206 |
6.28374264027557 |
2517322.102454453 |
15.5850392640488 |
8959.34784601389 |
70.2051795196525 |
-87.4044888778971 |
51294.6825882017 |
T |
10 |
CATAB v2.0f-lin.ifort 2021-Feb-24 16:08:05 |
2021-Feb-24 16:08 |
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