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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .09276108114245775 | 2.8897e-08 | |
| a | 2.241996832080347 | 4.9092e-09 | au |
| q | 2.034026782018608 | 6.3644e-08 | au |
| i | 5.140778721003446 | 3.0375e-06 | deg |
| node | 327.7712610156937 | 3.9683e-05 | deg |
| peri | 187.6171179040409 | 4.4165e-05 | deg |
| M | 64.59685291883187 | 1.9332e-05 | deg |
| tp | 2458780.481206818407
(2019-Oct-23.98120682) | 6.5804e-05 | TDB |
| period | 1226.170656407977
3.36 | 4.0273e-06
1.103e-08 | d
yr |
| n | .2935969786249878 | 9.6431e-10 | deg/d |
| Q | 2.449966882142085 | 5.3646e-09 | 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 |
MPO425815 |
|
| diameter |
diameter |
9.111 |
km |
0.313 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| rotation period |
rot_per |
5.3202 |
h |
n/a |
LCDB (Rev. 2019-August); Warner et al., 2009 |
Published Reference List:
[Lagerkvist, C.-I. (1979) Icarus 38, 106-114.]
[Pray, D.P.; Galad, A.; Gajdos, S.; Vilagi, J.; et al. (2006) Minor Planet Bull. 33, 92-95.]
[Kryszczynska, A.; Colas, F.; Polinska, M.; Hirsch, R.; et al. (2012) Astron. Astrophys. 546, A72.]
[Behrend, R. (2013) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Stephens, R.D.; Warner, B.D. (2019) Minor Planet Bull. 45, 66-71.] |
| geometric albedo |
albedo |
0.281 |
|
0.041 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
|
| 1523 Pieksamaki (1939 BC) Discovered 1939-Jan-18 by Vaisala, Y. at Turku |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
Alternate Designations
| 1939 BC = 1936 FO1 = 1936 HC = 1946 GB = 1949 AC |
|
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