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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 74 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1737437297372121 2.7702e-08  
a 2.368829825768521 5.985e-09 au
q 1.957260496726748 6.4643e-08 au
i 6.086313282783925 3.9878e-06 deg
node 190.5834555966645 2.8211e-05 deg
peri 84.21195933332436 3.051e-05 deg
M 147.2487922080156 1.2317e-05 deg
tp 2458455.811180072316
(2018-Dec-03.31118007)
4.4943e-05 TDB
period 1331.677986852051
3.65
5.0468e-06
1.382e-08
d
yr
n .2703356243433915 1.0245e-09 deg/d
Q 2.780399154810295 7.0248e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2889  
   data-arc span      28332 days (77.57 yr)  
   first obs. used      1942-07-11  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41271  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:38:54  

Additional Information
 Earth MOID = .952619 au 
 Jupiter MOID = 2.34967 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-August); 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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