[ 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 13 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1126362611216107 | 3.8048e-08 | |
a | 2.30421334311701 | 1.1214e-08 | au |
q | 2.044675367321783 | 8.6531e-08 | au |
i | 4.975833561976364 | 4.4038e-06 | deg |
node | 221.9498344461337 | 5.9133e-05 | deg |
peri | 63.48542911862017 | 6.6021e-05 | deg |
M | 71.2862888776765 | 2.6538e-05 | deg |
tp | 2458947.520131164584 (2020-Apr-08.02013116) | 9.4669e-05 | TDB |
period | 1277.563388620576 3.50 | 9.3261e-06 2.553e-08 | d yr |
n | .2817864093528095 | 2.057e-09 | deg/d |
Q | 2.563751318912237 | 1.2477e-08 | au |
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| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2457782.5 (2017-Jan-29.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .112149189157042 | 3.8055e-08 | |
q | 2.046161696902784 | 8.6562e-08 | au |
tp | 2457670.464193883701 (2016-Oct-08.96419388) | 9.8198e-05 | TDB |
node | 221.9864592152274 | 5.9104e-05 | deg |
peri | 63.74945333708789 | 6.6044e-05 | deg |
i | 4.976554496939941 | 4.4044e-06 | deg |
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| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
|
e |
q |
tp |
node |
peri |
i |
e |
1.448152838808457E-15 |
-3.272692561972453E-15 |
7.368589700633532E-13 |
-5.032027126565889E-15 |
1.895655839996939E-13 |
-3.455192902388354E-15 |
q |
-3.272692561972453E-15 |
7.492942296624195E-15 |
-2.060707762956663E-12 |
1.251749209108134E-14 |
-5.472144274649303E-13 |
8.278431711892861E-15 |
tp |
7.368589700633532E-13 |
-2.060707762956663E-12 |
9.64284937729386E-9 |
6.814461305889208E-12 |
2.92149888029087E-9 |
-1.326998124021067E-11 |
node |
-5.032027126565889E-15 |
1.251749209108134E-14 |
6.814461305889208E-12 |
3.493261534354001E-9 |
-3.477327707436285E-9 |
-1.034735835860759E-10 |
peri |
1.895655839996939E-13 |
-5.472144274649303E-13 |
2.92149888029087E-9 |
-3.477327707436285E-9 |
4.361795584785305E-9 |
9.914221508560285E-11 |
i |
-3.455192902388354E-15 |
8.278431711892861E-15 |
-1.326998124021067E-11 |
-1.034735835860759E-10 |
9.914221508560285E-11 |
1.939857918440103E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
17.57 |
|
n/a |
E2021B55 |
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|
215109 (1996 VM15) Discovered 1996-Nov-05 by Spacewatch at Kitt Peak |
Reference: 20090607/Numbers.arc | Last Updated: 2009-06-08 |
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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 |
1943-Aug-27 11:51 |
< 00:01 |
Iris |
0.0254615461648942 |
0.0254482881316802 |
0.0254748135725189 |
5.94150215290008 |
5.94150211489934 |
2430963.993623139 |
0.997538081746691 |
1016.93662926576 |
52.7510889227439 |
-49.536220130016 |
54974.6518078621 |
T |
13 |
CATAB v2.0f-lin.ifort 2021-Feb-24 12:45:40 |
2021-Feb-24 12:45 |
2150-Feb-13 13:06 |
00:02 |
Iris |
0.045492311515065 |
0.0454616778180992 |
0.0455229632344117 |
6.37367154803296 |
6.3736715282065 |
2506375.045652194 |
1.84825311764587 |
2091.51158776691 |
51.9067457438634 |
43.0916438855091 |
89581.4526917581 |
T |
13 |
CATAB v2.0f-lin.ifort 2021-Feb-24 12:45:40 |
2021-Feb-24 12:45 |
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