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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1291971582443815 5.0845e-08  
a 2.430425564996264 1.4828e-08 AU
q 2.116421488674251 1.2728e-07 AU
i 1.783030535689874 5.8377e-06 deg
node 321.9305641140884 0.00015035 deg
peri 231.6071451530565 0.00015171 deg
M 224.4916255890858 2.2624e-05 deg
tp 2457521.437412637040
(2016-May-12.93741264)
8.8126e-05 JED
period 1383.954824671186
3.79
1.2665e-05
3.467e-08
d
yr
n .2601240976818245 2.3804e-09 deg/d
Q 2.744429641318276 1.6743e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1190  
   data-arc span      14838 days (40.62 yr)  
   first obs. used      1974-02-14  
   last obs. used      2014-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47945  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:10:36  

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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