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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04243822440317157 6.0524e-08  
a 2.923681303118664 2.2939e-08 AU
q 2.799605459893557 1.7267e-07 AU
i 2.406349662206964 5.143e-06 deg
node 44.75436761593173 0.00014862 deg
peri 149.7094530799034 0.00016275 deg
M 160.2113475958056 7.0542e-05 deg
tp 2456187.886102940094
(2012-Sep-17.38610294)
0.00035683 JED
period 1825.969304494041
5.00
2.149e-05
5.884e-08
d
yr
n .1971555595781237 2.3203e-09 deg/d
Q 3.047757146343771 2.3913e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1406  
   data-arc span      21988 days (60.20 yr)  
   first obs. used      1954-07-29  
   last obs. used      2014-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51168  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 12:52:13  

Additional Information
 Earth MOID = 1.79947 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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