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1210 Morosovia (1931 LB)
Classification: Main-belt Asteroid          SPK-ID: 2001210
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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06170173331742529 3.8095e-08  
a 3.012221872046129 1.3943e-08 au
q 2.826362561404224 1.1795e-07 au
i 11.27319892085758 4.2278e-06 deg
node 106.6184402730534 2.1177e-05 deg
peri 168.7537344170102 4.0723e-05 deg
M 352.0740648316937 3.4272e-05 deg
tp 2459042.541371769805
(2020-Jul-12.04137177)
0.00018175 TDB
period 1909.540453680492
5.23
1.3258e-05
3.63e-08
d
yr
n .1885270350288352 1.309e-09 deg/d
Q 3.198081182688035 1.4803e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2587  
   data-arc span      42569 days (116.55 yr)  
   first obs. used      1904-03-21  
   last obs. used      2020-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43085  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:21:22  

Additional Information
 Earth MOID = 1.81076 au 
 Jupiter MOID = 1.93048 au 
 T_jup = 3.217 
[ 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 10.0   n/a MPO473779 IRAS observations used: 19
diameter diameter 33.663 km 0.329 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 15.2616 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Di Martino, M. (1986) in Asteroids, Comets, Meteors II. C.-I. Lagerkvist, B.A. Lindblad, M. Lundstedt, H. Rickman, eds. Uppsala, pp. 81-84.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2014) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Delbo, M.; Ali-Lagoa, V.; Bolin, B.; et al. (2016) Astron. Astrophys., submitted.]
[Hanus, J.; Delbo, M.; Ali-Lagoa, V.; Bolin, B.; et al. (2018) Icarus 299, 84-96.]
geometric albedo albedo 0.132   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.830   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=14.71 deg.
Tholen spectral type spec_T MU:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 1 color indices; used ground-based radiometric albedo

1210 Morosovia (1931 LB)          Discovered 1931-Jun-06 by Neujmin, G. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1931 LB = 1927 SK = A904 GA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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