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854 Frostia (A916 GO)
Classification: Main-belt Asteroid          SPK-ID: 2000854
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 71 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1738780161497901 2.8202e-08  
a 2.368323098904724 6.1352e-09 au
q 1.956523776865448 6.6033e-08 au
i 6.087142155217228 4.0461e-06 deg
node 190.5879327420267 2.9287e-05 deg
peri 84.12738458527568 3.1556e-05 deg
M 39.16982678004761 1.2195e-05 deg
tp 2458455.653167248966
(2018-Dec-03.15316725)		 4.4939e-05 TDB
period 1331.250712013203
3.64		 5.173e-06
1.416e-08		 d
yr
n .2704223905770422 1.0508e-09 deg/d
Q 2.780122420944001 7.202e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2745  
   data-arc span      28265 days (77.39 yr)  
   first obs. used      1942-07-11  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42113  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:13:19  

Additional Information
 Earth MOID = .951392 au 
 Jupiter MOID = 2.34907 au 
 T_jup = 3.518 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.9   n/a MPO452170  
diameter diameter 7.839 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 37.56 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R.; Bernasconi, L.; Klotz, A.; Durkee, R. (2004) IAUC 8389. (854)]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R.; et al. (2006) Astron. Astrophys. 446, 1177-1184.]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Marchis, F.; Enriquez, J.E.; Emery, J.P.; Mueller, M.; et al. (2012) Icarus 221, 1130-1161.]
geometric albedo albedo 0.415   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

854 Frostia (A916 GO)          Discovered 1916-Apr-03 by Belyavskij, S. at Simeis
Discovered at Simeis during the First World War while Simeis was not in communication with the Rechen-Institut for long periods of time were given provisional designations containing the Greek letter SIGMA. These are here abbreviated S.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A916 GO = 1931 MB = 1935 QE = 1950 VP 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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