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4931 Tomsk (1983 CN3)
Classification: Main-belt Asteroid          SPK-ID: 2004931
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2821246238661355 9.291e-09  
a 2.5787346666371 9.7217e-09 au
q 1.851210118761544 2.2299e-08 au
i 23.17348972392381 1.2637e-06 deg
node 154.9585987891518 2.9838e-06 deg
peri 281.4006884184072 5.5844e-06 deg
M 111.5629787186456 4.9874e-06 deg
tp 2458731.766476124140
(2019-Sep-05.26647612)
1.9678e-05 TDB
period 1512.54538497821
4.14
8.5533e-06
2.342e-08
d
yr
n .2380093870738207 1.3459e-09 deg/d
Q 3.306259214512655 1.2464e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2506  
   data-arc span      14445 days (39.55 yr)  
   first obs. used      1981-09-03  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38242  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:57:13  

Additional Information
 Earth MOID = 1.00565 au 
 Jupiter MOID = 2.31595 au 
 T_jup = 3.260 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.66   n/a E2021B10  
diameter diameter 7.618 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.2701 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.328   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4931 Tomsk (1983 CN3)          Discovered 1983-Feb-11 by Debehogne, DeSanctis at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1983 CN3 = 1987 DL = 2016 FQ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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