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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 30 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1442375187450966 | 3.4879e-08 | |
| a | 2.395147045548391 | 8.162e-09 | au |
| q | 2.049676978668842 | 8.2892e-08 | au |
| i | 3.902312159311579 | 4.0872e-06 | deg |
| node | 50.10615145002993 | 5.2943e-05 | deg |
| peri | 112.6827855171314 | 5.4665e-05 | deg |
| M | 129.699323515632 | 1.404e-05 | deg |
| tp | 2458712.711105052569
(2019-Aug-17.21110505) | 5.203e-05 | TDB |
| period | 1353.931519618993
3.71 | 6.9207e-06
1.895e-08 | d
yr |
| n | .2658923252642105 | 1.3591e-09 | deg/d |
| Q | 2.74061711242794 | 9.3393e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.28 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
3.460 |
km |
0.818 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.371 |
|
0.145 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 11878 Hanamiyama | Discovered 1990 Apr. 18 by T. Seki at Geisei. |
| Hanamiyama Mountain in Fukushima city is famous for the production of flowering plants. In spring the mountain is completely covered with colorful flowers of cherry trees, peaches and golden bells attracting large numbers of tourists. The name was suggested by H. Ohno. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20070601/MPCPages.arc | Last Updated: 2007-06-06 |
|
Alternate Designations
| 1990 HJ = 1953 GO1 = 1968 KH = 1997 AU1 |
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