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7658 (1993 BM12)
Classification: Main-belt Asteroid          SPK-ID: 2007658
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .12919715982693 5.0896e-08  
a 2.430425566175429 1.4917e-08 AU
q 2.116421485854806 1.2735e-07 AU
i 1.783030244936739 5.9129e-06 deg
node 321.9305653350198 0.00015043 deg
peri 231.6071417060107 0.00015182 deg
M 224.491627153901 2.2741e-05 deg
tp 2457521.437407000504
(2016-May-12.93740700)
8.8519e-05 JED
period 1383.954825678363
3.79
1.2741e-05
3.488e-08
d
yr
n .2601240974925185 2.3948e-09 deg/d
Q 2.744429646496053 1.6845e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1178  
   data-arc span      14775 days (40.45 yr)  
   first obs. used      1974-02-14  
   last obs. used      2014-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48072  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:11:02  

Additional Information
 Earth MOID = 1.11757 AU 
 T_jup = 3.496 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6 mag n/a MPO267738  

7658 (1993 BM12)          Discovered 1993-Jan-22 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1993 BM12 = 1955 BE1 = 1974 CJ = 1976 UO2 = 1991 RW10 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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