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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.
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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2147682637830344 | 3.5884e-08 | |
| a | 2.807653850458386 | 8.4886e-09 | au |
| q | 2.204658907691687 | 9.9864e-08 | au |
| i | 4.739931533545679 | 3.8442e-06 | deg |
| node | 160.9543578042278 | 3.7437e-05 | deg |
| peri | 191.1668979654074 | 3.8041e-05 | deg |
| M | 144.670347825563 | 7.1118e-06 | deg |
| tp | 2458309.956888976652
(2018-Jul-10.45688898) | 3.3273e-05 | TDB |
| period | 1718.358486758811
4.70 | 7.7929e-06
2.134e-08 | d
yr |
| n | .2095022678760335 | 9.5011e-10 | deg/d |
| Q | 3.410648793225084 | 1.0312e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.2 |
|
n/a |
MPO337259 |
|
| diameter |
diameter |
24.813 |
km |
0.090 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| geometric albedo |
albedo |
0.038 |
|
0.003 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
|
| 1668 Hanna (1933 OK) Discovered 1933-Jul-24 by Reinmuth, K. at Heidelberg |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
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Alternate Designations
| 1933 OK = 1938 SY = 1966 QM |
|
|
