[ 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 21 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .02767313558432201 | 3.9441e-08 | |
| a | 2.632869446743831 | 1.2267e-08 | au |
| q | 2.56000969356827 | 1.0373e-07 | au |
| i | 2.654356696347213 | 4.3098e-06 | deg |
| node | 54.68027211489007 | 8.6498e-05 | deg |
| peri | 138.0757251932276 | 0.00011637 | deg |
| M | 243.9257642368203 | 7.9555e-05 | deg |
| tp | 2459703.624824431689
(2022-May-04.12482443) | 0.00034575 | TDB |
| period | 1560.423255036096
4.27 | 1.0905e-05
2.986e-08 | d
yr |
| n | .2307066360605298 | 1.6124e-09 | deg/d |
| Q | 2.705729199919392 | 1.2607e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.8 |
|
n/a |
MPO263930 |
|
|
| 78433 Gertrudolf | Discovered 2002 Aug. 29 by S. F. Hönig at Palomar. |
| Gertrud (b. 1925) and Rudolf Hönig (1917-1993) are the grandparents of the discoverer. They woke and supported his interest in astronomy. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20040504/MPCPages.arc | Last Updated: 2004-05-11 |
|
[ 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 |
| 2004-Oct-25 00:25 |
< 00:01 |
Amphi |
0.0330826489284801 |
0.0330811004249401 |
0.0330841974430143 |
2.51571947711051 |
2.51571940803715 |
2453303.517014125 |
0.958508788850193 |
86.4832393191929 |
49.3609741674221 |
-33.4301527370979 |
72925.4104349855 |
T |
21 |
CATAB v2.0f-lin.ifort 2021-Feb-24 07:15:06 |
2021-Feb-24 07:15 |
| 2188-Jul-27 19:42 |
00:01 |
Amphi |
0.0431979731946521 |
0.0431821072868989 |
0.0432138687167505 |
2.30611553493197 |
2.30611547722495 |
2520419.320930760 |
1.08211415789662 |
1950.79351847181 |
46.608357630856 |
66.1428069899384 |
126616.703933331 |
T |
21 |
CATAB v2.0f-lin.ifort 2021-Feb-24 07:15:06 |
2021-Feb-24 07:15 |
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