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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 | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2820580169342941 2.9141e-08  
a 2.57929658766213 1.3876e-08 au
q 1.851785307060758 7.3811e-08 au
i 23.17070479183629 5.8112e-06 deg
node 154.9615163584946 8.2139e-06 deg
peri 281.4771977009725 1.4816e-05 deg
M 328.7294288623966 1.433e-05 deg
tp 2458731.926718640296
(2019-Sep-05.42671864)
6.0773e-05 TDB
period 1513.03980033838
4.14
1.221e-05
3.343e-08
d
yr
n .2379316128495025 1.9201e-09 deg/d
Q 3.306807868263502 1.779e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1808  
   data-arc span      13938 days (38.16 yr)  
   first obs. used      1981-09-03  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41821  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:40:55  

Additional Information
 Earth MOID = 1.00622 au 
 Jupiter MOID = 2.31584 au 
 T_jup = 3.259 
[ 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 12.6   n/a MPO452235  
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 7.02 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durkee, R.I.; Houghton, J.L.; Eggleston, C.L. (2016) Minor Planet Bull. 43, 284-285.]
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

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