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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 41 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .168591549317308 | 2.9753e-08 | |
| a | 2.618500658866492 | 9.7195e-09 | au |
| q | 2.177043575899798 | 7.8346e-08 | au |
| i | 12.33831599757048 | 4.619e-06 | deg |
| node | 203.8417930035006 | 1.594e-05 | deg |
| peri | 86.96892169280733 | 2.1745e-05 | deg |
| M | 318.8518980147297 | 1.5978e-05 | deg |
| tp | 2459377.398750334179
(2021-Jun-11.89875033) | 6.9161e-05 | TDB |
| period | 1547.666770707945
4.24 | 8.6171e-06
2.359e-08 | d
yr |
| n | .2326082118021608 | 1.2951e-09 | deg/d |
| Q | 3.059957741833186 | 1.1358e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.09 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
9.232 |
km |
0.187 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| rotation period |
rot_per |
527.991 |
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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] |
| geometric albedo |
albedo |
0.300 |
|
0.044 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 2660 Wasserman (1982 FG) Discovered 1982-Mar-21 by Bowell, E. at Flagstaff (AM) |
| on plates taken by B. A. Skiff at the Anderson Mesa station of the Lowell Observatory. |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
[ 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 |
| 2066-Dec-21 20:55 |
< 00:01 |
Iris |
0.030968912386274 |
0.0309675278990989 |
0.0309702975111891 |
7.04267737513118 |
7.04267734877337 |
2476006.371868740 |
0.726169352847712 |
298.611013966803 |
44.6553826861622 |
-79.7259929821187 |
102101.53810114 |
T |
41 |
CATAB v2.0f-lin.ifort 2020-Aug-24 22:55:33 |
2020-Aug-24 22:55 |
|
Alternate Designations
| 1982 FG = 1974 KG = 1975 VZ2 = 1979 SC2 = A924 SA |
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