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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 ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04202748232020476 7.2416e-08  
a 2.924083291167256 2.2492e-08 AU
q 2.801191432344917 2.1401e-07 AU
i 2.406609380391719 6.0182e-06 deg
node 44.77105326677027 0.00015684 deg
peri 149.786429895171 0.00017342 deg
M 41.88367959424946 7.8314e-05 deg
tp 2456188.016425607659
(2012-Sep-17.51642561)		 0.00039726 JED
period 1826.345906622426
5.00		 2.1072e-05
5.769e-08		 d
yr
n .1971149050651474 2.2743e-09 deg/d
Q 3.046975149989593 2.3437e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      1317  
   data-arc span      21452 days (58.73 yr)  
   first obs. used      1954-07-29  
   last obs. used      2013-04-22  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .55336  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 12:55:57  

Additional Information
 Earth MOID = 1.79982 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 12.1 mag n/a PDS3 (MPC 28109)  

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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