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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .10366894874624 | 5.0345e-08 | |
a | 2.221420781426219 | 1.5674e-08 | au |
q | 1.991128424292712 | 1.1409e-07 | au |
i | 5.246761134198444 | 4.2407e-06 | deg |
node | 251.619587005449 | 6.8064e-05 | deg |
peri | 297.7847975102173 | 7.2436e-05 | deg |
M | 59.57940912907082 | 2.5989e-05 | deg |
tp | 2458800.357940927097 (2019-Nov-12.85794093) | 8.6505e-05 | TDB |
period | 1209.329570727296 3.31 | 1.2799e-05 3.504e-08 | d yr |
n | .2976856009429211 | 3.1506e-09 | deg/d |
Q | 2.451713138559726 | 1.7299e-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 |
17.3 |
|
n/a |
MPO418302 |
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243608 (1998 XE23) Discovered 1998-Dec-11 by Spacewatch at Kitt Peak |
Reference: 20100726/Numbers.arc | Last Updated: 2010-07-28 |
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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 |
1929-Dec-01 23:27 |
< 00:01 |
Iris |
0.0450046534153496 |
0.044978919161259 |
0.0450303895494485 |
5.94694629696529 |
5.94694627548592 |
2425947.477040301 |
0.458398851178234 |
1362.61795517213 |
69.3797799684587 |
-19.715889696272 |
33056.2986565895 |
T |
11 |
CATAB v2.0e-lin.ifort 2019-Jul-14 10:03:29 |
2019-Jul-14 10:03 |
1968-Jan-16 19:19 |
< 00:01 |
Eunom |
0.0399816243616918 |
0.0399735660141375 |
0.0399896852835924 |
5.53461941392029 |
5.53461935048285 |
2439872.304559479 |
0.667643241917356 |
650.706865616315 |
63.078933478004 |
-52.2310242130977 |
75123.0138728761 |
T |
11 |
CATAB v2.0e-lin.ifort 2019-Jul-14 10:03:29 |
2019-Jul-14 10:03 |
1968-Jul-02 11:15 |
00:06 |
Thisb |
0.0171498280357267 |
0.0171473539747996 |
0.0171523055420864 |
3.08375468281562 |
3.0837545538912 |
2440039.968571817 |
6.43577726738525 |
446.23936784119 |
55.5047661038188 |
75.5901574850544 |
44747.9222270072 |
T |
11 |
CATAB v2.0e-lin.ifort 2019-Jul-14 10:03:29 |
2019-Jul-14 10:03 |
2020-Nov-09 06:51 |
< 00:01 |
Iris |
0.0396586779505679 |
0.0396546264046646 |
0.0396627295140227 |
6.69063408766122 |
6.69063406599578 |
2459162.785446933 |
0.241433291866899 |
206.898662564973 |
74.4096404379873 |
-13.4056445749022 |
33455.8180125718 |
T |
11 |
CATAB v2.0e-lin.ifort 2019-Jul-14 10:03:29 |
2019-Jul-14 10:03 |
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