3122 Florence (1981 ET3) |
Classification: Amor [NEO, PHA] SPK-ID: 2003122 |
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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 577 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .4229445972890654 | 6.4427e-09 | |
a | 1.768974947132197 | 4.1106e-09 | au |
q | 1.020796550502924 | 1.2178e-08 | au |
i | 22.1424969803375 | 1.8568e-06 | deg |
node | 336.0638557779579 | 1.2413e-06 | deg |
peri | 27.84781936526354 | 4.6146e-06 | deg |
M | 50.43779449975912 | 1.4153e-06 | deg |
tp | 2458880.097768124039 (2020-Jan-31.59776812) | 3.2071e-06 | TDB |
period | 859.3715071255373 2.35 | 2.9954e-06 8.201e-09 | d yr |
n | .4189107935450914 | 1.4602e-09 | deg/d |
Q | 2.517153343761469 | 5.8492e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
14.1 |
|
n/a |
MPO452206 |
|
diameter |
diameter |
4.9 |
km |
n/a |
Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543 |
based on assumed medium albedo (0.15) |
rotation period |
rot_per |
2.3581 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Pravec, P.; Wolf, M.; Sarounova, L. (1998) Icarus 136, 124-153.] [Pravec, P.; Wolf, M.; Sarounova, L. (2002) http://www.asu.cas.cz/~ppravec/neo.htm] [Pravec, P.; Wolf, M.; Sarounova, L. (2003) http://www.asu.cas.cz/~ppravec/neo.htm] [Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Elenin, L.; Molotov, I. (2012) Minor Planet Bull. 39, 101-102.] [Linder, T.; Sampson, R.; Holmes, R. (2013) Minor Planet Bull. 40, 4-6.] [Warner, B.D. (2016) Minor Planet Bull. 43, 240-250.] [Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Observers at Arecibo and/or Goldstone (2017) https://cneos.jpl.nasa.gov/news/news199.html] [Stone, G. (2017) Posting on CALL web site: http://www.minorplanet.info/call.html] [Franco, L.; Bacci, P.; Maestripieri, M.; Baj, G.; et al. (2018) Minor Planet Bull. 45, 174-177.] [Klinglesmith III, D.A.; Hendrickx, S. (2018) Minor Planet Bull. 45, 61-63.] [Rodrigo, O.: Fornas, G.; Arce, E.; Mas, V.; et al. (2018) Minor Planet Bull. 45, 120-121.] [Tomassini, A.; Scardella, M.; Franceschini, F.; Pierri, F. (2018) Minor Planet Bull. 45, 11-13.] [Warner, B.D. (2018) Minor Planet Bull. 45, 19-34.] [Abrams, N.S.; Bieryla, A.; Gomez, S.; Huang, J.; et al. (2020) Minor Planet Bull. 47, 3-4.] [Ferrais, M.; Jehin, E.; Moulane, Y.; Pozuelos, Francisco J.; et al. (2020) Minor Planet Bull. 47, 21-22.] [Núñez-López, R.; Loera-González, P.; Saucedo, J.C.; OlguÃÂn, L.; Contreras, M.E. (2020) Minor Planet Bull. 47, 89-90.] |
geometric albedo |
albedo |
0.231 |
|
0.049 |
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M) |
|
SMASSII spectral type |
spec_B |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) |
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3122 Florence (1981 ET3) Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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