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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 21 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1421653218380057 | 4.1584e-08 | |
a | 2.757258486017337 | 2.1521e-08 | au |
q | 2.36527194596211 | 1.1753e-07 | au |
i | 8.150827522839782 | 5.1719e-06 | deg |
node | 288.9226781996622 | 3.2988e-05 | deg |
peri | 142.6023252194904 | 4.0359e-05 | deg |
M | 149.6006643529632 | 2.1275e-05 | deg |
tp | 2458505.562622041834 (2019-Jan-22.06262204) | 9.7246e-05 | TDB |
period | 1672.301771833572 4.58 | 1.9579e-05 5.36e-08 | d yr |
n | .215272151272843 | 2.5203e-09 | deg/d |
Q | 3.149245026072564 | 2.458e-08 | au |
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| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2457368.5 (2015-Dec-12.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1419525081410678 | 4.1501e-08 | |
q | 2.366895420960299 | 1.1739e-07 | au |
tp | 2456834.968894356929 (2014-Jun-26.46889436) | 9.665e-05 | TDB |
node | 288.9522215623962 | 3.2985e-05 | deg |
peri | 143.1474337632433 | 4.037e-05 | deg |
i | 8.149925691891267 | 5.1717e-06 | deg |
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| | Orbit Determination Parameters
Additional Information
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Orbit Covariance (6×6)
|
|
e |
q |
tp |
node |
peri |
i |
e |
1.72230576864095E-15 |
-4.811088003232731E-15 |
-2.302865925409774E-13 |
-1.301535389953859E-14 |
-1.025116105721029E-13 |
-4.430584462110928E-15 |
q |
-4.811088003232731E-15 |
1.377958323430295E-14 |
4.983139332929172E-13 |
3.60721736254582E-14 |
2.77311861838254E-13 |
1.296918222641707E-14 |
tp |
-2.302865925409774E-13 |
4.983139332929172E-13 |
9.341188763337451E-9 |
1.473401087100881E-11 |
2.264959200528999E-9 |
-4.905913062830969E-13 |
node |
-1.301535389953859E-14 |
3.60721736254582E-14 |
1.473401087100881E-11 |
1.088013378113927E-9 |
-1.072460874825991E-9 |
2.337679947673525E-11 |
peri |
-1.025116105721029E-13 |
2.77311861838254E-13 |
2.264959200528999E-9 |
-1.072460874825991E-9 |
1.629764447474868E-9 |
-2.298339543972094E-11 |
i |
-4.430584462110928E-15 |
1.296918222641707E-14 |
-4.905913062830969E-13 |
2.337679947673525E-11 |
-2.298339543972094E-11 |
2.674641582591378E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
16.00 |
|
n/a |
E2021B55 |
|
rotation period |
rot_per |
6.196 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] |
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226838 (2004 SL19) Discovered 2004-Sep-18 by LINEAR at Socorro |
Reference: 20091202/Numbers.arc | Last Updated: 2009-12-04 |
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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 |
2060-Nov-13 15:34 |
00:02 |
Hebe |
0.0132591151302895 |
0.0132578330054011 |
0.0132603994680978 |
7.54818037944653 |
7.54818031733092 |
2473777.148889358 |
2.38588997231057 |
1033.03816352104 |
61.7443916306094 |
-89.0691574223198 |
32113.5640139071 |
T |
21 |
CATAB v2.0f-lin.ifort 2021-Apr-14 00:37:26 |
2021-Apr-14 00:37 |
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