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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 2455651.5 (2011-Mar-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | 1.000067251452369 | 1.8497e-06 | |
| a | -7173.388484905965 | 197.29 | au |
| q | .4824207940167428 | 2.655e-06 | au |
| i | 1.83956811421481 | 4.5064e-05 | deg |
| node | 323.2351474030079 | 0.00089743 | deg |
| peri | 343.7981179505746 | 0.00089507 | deg |
| M | -.0002655942158359592 | 1.0957e-05 | deg |
| tp | 2455815.219747320076
(2011-Sep-10.71974732) | 0.0003604 | TDB |
| period | n/a
n/a | n/a
n/a | d
yr |
| n | 1.62224911889655E-6 | 6.6925e-08 | deg/d |
| Q | n/a | n/a | au |
|
Additional Model Parameters
| Parameter | Value | Uncertainty (1-sigma) |
| A1 [EST] | -4.779002741230586E-8 | 1.175E-8 |
| A2 [EST] | 6.325626323697817E-8 | 7.967E-9 |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
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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 |
| 2011-Oct-16 19:10 |
00:23 |
Earth |
0.233340021298286 |
0.233274384917074 |
0.233405657915741 |
23.9492069019876 |
23.9487301019172 |
2455851.298784448 |
23.0916124802374 |
3293.99178942699 |
217.275335451599 |
6.44887228861714 |
39404.6529729163 |
T |
39 |
CATAB v2.0g-lin.ifort 2021-Apr-15 23:31:55 |
2021-Apr-15 23:31 |
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