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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .09295767083139332 | 4.0996e-08 | |
a | 2.242283871076031 | 6.2102e-09 | au |
q | 2.033846385078003 | 9.3618e-08 | au |
i | 5.140356321874054 | 3.9508e-06 | deg |
node | 327.7731750433687 | 4.0324e-05 | deg |
peri | 187.5575713434066 | 4.489e-05 | deg |
M | 307.2146652357632 | 2.0688e-05 | deg |
tp | 2458780.322940819370 (2019-Oct-23.82294082) | 7.0676e-05 | TDB |
period | 1226.406140722882 3.36 | 5.095e-06 1.395e-08 | d yr |
n | .2935406045731349 | 1.2195e-09 | deg/d |
Q | 2.450721357074059 | 6.7875e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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[ 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-January); 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) |
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1523 Pieksamaki (1939 BC) Discovered 1939-Jan-18 by Vaisala, Y. at Turku |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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Alternate Designations
1939 BC = 1936 FO1 = 1936 HC = 1946 GB = 1949 AC |
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