[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .06204062382331222 | 5.6652e-08 | |
| a | 2.86709304228927 | 2.9518e-08 | au |
| q | 2.689216801386165 | 1.5288e-07 | au |
| i | 1.493068986065736 | 5.8839e-06 | deg |
| node | 203.2157558708213 | 0.00023589 | deg |
| peri | 212.9670365760067 | 0.00024738 | deg |
| M | 86.40543835003552 | 7.0043e-05 | deg |
| tp | 2458574.901896435873
(2019-Apr-01.40189644) | 0.00034639 | TDB |
| period | 1773.213818583942
4.85 | 2.7384e-05
7.497e-08 | d
yr |
| n | .2030212015195606 | 3.1353e-09 | deg/d |
| Q | 3.044969283192374 | 3.1349e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2457683.5 (2016-Oct-22.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .06151731259183548 | 5.6063e-08 | |
| q | 2.690197383969399 | 1.5086e-07 | au |
| tp | 2456805.625933301869
(2014-May-28.12593330) | 0.00035859 | TDB |
| node | 203.2264432171091 | 0.00023588 | deg |
| peri | 213.6791683647625 | 0.00024768 | deg |
| i | 1.492945198702789 | 5.8851e-06 | deg |
|
| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
| |
e |
q |
tp |
node |
peri |
i |
| e |
3.143046877278309E-15 |
-8.339641606986946E-15 |
-8.584481513680368E-12 |
-9.80335427330981E-15 |
-1.857882777269823E-12 |
6.451246556799721E-17 |
| q |
-8.339641606986946E-15 |
2.275943155542967E-14 |
2.146197378281616E-11 |
2.899916924067763E-14 |
4.711284630540114E-12 |
1.53103480698189E-16 |
| tp |
-8.584481513680368E-12 |
2.146197378281616E-11 |
1.285893493164406E-7 |
1.631753968541411E-10 |
2.713089350373182E-8 |
-1.536515180901555E-11 |
| node |
-9.80335427330981E-15 |
2.899916924067763E-14 |
1.631753968541411E-10 |
5.563816465542515E-8 |
-5.558323579159965E-8 |
-3.801969009499833E-10 |
| peri |
-1.857882777269823E-12 |
4.711284630540114E-12 |
2.713089350373182E-8 |
-5.558323579159965E-8 |
6.13460042382048E-8 |
3.768486888111495E-10 |
| i |
6.451246556799721E-17 |
1.53103480698189E-16 |
-1.536515180901555E-11 |
-3.801969009499833E-10 |
3.768486888111495E-10 |
3.463433133402022E-11 |
|
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.4 |
|
n/a |
MPO455449 |
|
|
| 332550 (2008 QJ41) Discovered 2008-Aug-21 by Spacewatch at Kitt Peak |
| Reference: 20120703/Numbers.arc | Last Updated: 2012-07-09 |
|
[ 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 |
| 2168-May-22 00:51 |
00:17 |
Hygie |
0.0460389493954903 |
0.0459823303927397 |
0.0460955951111852 |
2.83622896284651 |
2.83622866695278 |
2513047.535590549 |
16.7592396102672 |
3308.65217185542 |
206.775250660264 |
-31.8668248977473 |
17610.6045522622 |
T |
16 |
CATAB v2.0f-lin.ifort 2020-Nov-11 17:37:28 |
2020-Nov-11 17:37 |
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