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3131 Mason-Dixon (1982 BM1)
Classification: Main-belt Asteroid          SPK-ID: 2003131
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04227655815956862 6.6803e-08  
a 2.924101682623134 2.2105e-08 AU
q 2.800480727773224 1.9588e-07 AU
i 2.406273642454023 5.974e-06 deg
node 44.75960991430163 0.00015181 deg
peri 149.7490322262755 0.00016829 deg
M 120.7482841937714 7.6187e-05 deg
tp 2456187.916069058612
(2012-Sep-17.41606906)
0.00038667 JED
period 1826.363137260012
5.00
2.0709e-05
5.67e-08
d
yr
n .1971130454045888 2.2351e-09 deg/d
Q 3.047722637473043 2.3039e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1334  
   data-arc span      21503 days (58.87 yr)  
   first obs. used      1954-07-29  
   last obs. used      2013-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54891  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 14:24:48  

Additional Information
 Earth MOID = 1.79936 AU 
 T_jup = 3.276 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.9 mag n/a MPO263374  

3131 Mason-Dixon (1982 BM1)          Discovered 1982-Jan-24 by Bowell, E. at Flagstaff (AM) (688)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 BM1 = 1962 CK = 1975 XS2 = 1977 DB3 = 1979 OS16 = 1979 QJ6 = A922 DC 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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