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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2282578635071397 | 3.1938e-08 | |
| a | 2.606467190848877 | 9.0092e-09 | au |
| q | 2.011520558564257 | 8.2453e-08 | au |
| i | 12.42154059856937 | 4.147e-06 | deg |
| node | 250.1003299115791 | 1.4565e-05 | deg |
| peri | 108.8116557553725 | 1.679e-05 | deg |
| M | 71.21207206838189 | 8.3197e-06 | deg |
| tp | 2458696.461947057652
(2019-Jul-31.96194706) | 3.5299e-05 | TDB |
| period | 1537.010451741128
4.21 | 7.969e-06
2.182e-08 | d
yr |
| n | .2342209186620634 | 1.2144e-09 | deg/d |
| Q | 3.201413823133498 | 1.1066e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.3 |
|
n/a |
MPO448949 |
|
| diameter |
diameter |
8.887 |
km |
0.306 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| rotation period |
rot_per |
5.847 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Polakis, T. (2020) Minor Planet Bull. 47, 94-101.] |
| geometric albedo |
albedo |
0.323 |
|
0.047 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 3606 Pohjola (1939 SF) Discovered 1939-Sep-19 by Vaisala, Y. at Turku |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
Alternate Designations
| 1939 SF = 1973 WO = 1985 LE |
|
|
