[ 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 25 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .111148195751663 | 3.576e-08 | |
| a | 2.403190788741438 | 9.5253e-09 | au |
| q | 2.136080468525812 | 8.9515e-08 | au |
| i | 1.727986247348732 | 4.5129e-06 | deg |
| node | 316.3690789191613 | 0.00011531 | deg |
| peri | 271.2948420806932 | 0.00011731 | deg |
| M | 330.1492561692967 | 2.2562e-05 | deg |
| tp | 2459113.332304849285
(2020-Sep-20.83230485) | 8.5365e-05 | TDB |
| period | 1360.757707617417
3.73 | 8.0903e-06
2.215e-08 | d
yr |
| n | .2645584867789083 | 1.5729e-09 | deg/d |
| Q | 2.670301108957065 | 1.0584e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.11 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
5.170 |
km |
0.202 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.055 |
|
0.005 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 21846 Wojakowski | Discovered 1999 Oct. 4 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. |
| Maria Malgorzata Wojakowski (b. 1987) was awarded fourth place in the 2005 Intel International Science and Engineering Fair for her zoology project. She also received the Intel Foundation Achievement Award. She attends the Townsend Harris High School at Queens College, Flushing, New York, U.S.A. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20050822/MPCPages.arc | Last Updated: 2005-08-26 |
|
[ 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 |
| 2056-Nov-13 22:24 |
00:02 |
Vesta |
0.0306397235998181 |
0.0306345736665253 |
0.0306448755746823 |
2.86686904006274 |
2.86686768549105 |
2472316.433088650 |
2.45412105875379 |
468.916409286417 |
29.6861099531245 |
57.2911696292401 |
128967.97295232 |
T |
25 |
CATAB v2.0f-lin.ifort 2020-Nov-13 01:54:41 |
2020-Nov-13 01:54 |
|
Alternate Designations
| 1999 TT114 = 1991 PQ26 = 1998 KO17 |
|
|
