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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06170173288150788 3.8135e-08  
a 3.012221872688031 1.4061e-08 au
q 2.826362563319598 1.1815e-07 au
i 11.27319893382641 4.2281e-06 deg
node 106.6184380321653 2.1471e-05 deg
peri 168.7537384025897 4.116e-05 deg
M 352.0740627193684 3.4757e-05 deg
tp 2459042.541382987606
(2020-Jul-12.04138299)
0.00018433 TDB
period 1909.540454290873
5.23
1.3371e-05
3.661e-08
d
yr
n .188527034968573 1.3201e-09 deg/d
Q 3.198081182056463 1.4929e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2523  
   data-arc span      42499 days (116.36 yr)  
   first obs. used      1904-03-21  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43585  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:30:15  

Additional Information
 Earth MOID = 1.81076 au 
 Jupiter MOID = 1.93048 au 
 T_jup = 3.217 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456058.5 (2012-May-11.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05764694546461376 3.8118e-08  
q 2.840536727680132 1.1763e-07 au
tp 2455227.755002140762
(2010-Jan-31.25500214)
0.00020256 TDB
node 106.6513885081805 2.1505e-05 deg
peri 169.2111252507415 4.3358e-05 deg
i 11.26102184944158 4.2234e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2523  
   data-arc span      42499 days (116.36 yr)  
   first obs. used      1904-03-21  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43585  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:30:15  

Additional Information
 Jupiter MOID = 1.93048 au 
 T_jup = 3.217 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.452980585095796E-15 -4.453839005137524E-15 2.209416739340189E-13 -1.110697306473798E-15 5.236677607257346E-14 -3.965135554996701E-16
q -4.453839005137524E-15 1.383769410820466E-14 -1.418785671665824E-12 2.406938980336461E-15 -2.85139774976899E-13 1.408969817696318E-15
tp 2.209416739340189E-13 -1.418785671665824E-12 4.102949937269277E-8 -2.098353127121231E-11 7.650342233479595E-9 2.090059328753077E-12
node -1.110697306473798E-15 2.406938980336461E-15 -2.098353127121231E-11 4.624794952019063E-10 -4.567693667397159E-10 -7.112862081611697E-13
peri 5.236677607257346E-14 -2.85139774976899E-13 7.650342233479595E-9 -4.567693667397159E-10 1.879881491028285E-9 1.146618917377968E-12
i -3.965135554996701E-16 1.408969817696318E-15 2.090059328753077E-12 -7.112862081611697E-13 1.146618917377968E-12 1.783687615412269E-11

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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