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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 26 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2235781482704773 | 3.625e-08 | |
a | 2.37219496145592 | 8.8933e-09 | au |
q | 1.841824004637049 | 8.6774e-08 | au |
i | 5.083842894469859 | 4.7926e-06 | deg |
node | 340.940321522167 | 3.624e-05 | deg |
peri | 51.09170468232729 | 3.7483e-05 | deg |
M | 203.2253164810898 | 9.2737e-06 | deg |
tp | 2459781.662291541593 (2022-Jul-21.16229154) | 3.5518e-05 | TDB |
period | 1334.516646813945 3.65 | 7.5046e-06 2.055e-08 | d yr |
n | .2697605914916625 | 1.517e-09 | deg/d |
Q | 2.90256591827479 | 1.0882e-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 |
15.79 |
|
n/a |
E2021B55 |
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160827 (2000 XA8) Discovered 2000-Dec-01 by LINEAR at Socorro |
Reference: 20070828/Numbers.arc | Last Updated: 2007-08-30 |
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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 |
2039-Jan-13 01:55 |
00:05 |
Hygie |
0.0452083464358459 |
0.0452053944742134 |
0.0452112984580559 |
3.26740450335971 |
3.26740424179393 |
2465801.579689823 |
4.96861567080642 |
170.56922591069 |
47.0901719559739 |
31.9935294875534 |
82967.9435058645 |
T |
26 |
CATAB v2.0f-lin.ifort 2020-May-21 01:36:50 |
2020-May-21 01:36 |
2166-Dec-20 15:49 |
00:03 |
Iris |
0.0378147531571658 |
0.0377755445519028 |
0.0378539618440484 |
2.02927311799283 |
2.02927304307741 |
2512529.158743935 |
2.9433544610196 |
1952.17541140749 |
47.2764189742932 |
2.24273627702807 |
5492.27913121617 |
T |
26 |
CATAB v2.0f-lin.ifort 2020-May-21 01:36:50 |
2020-May-21 01:36 |
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