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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1290641967614521 5.0922e-08  
a 2.430683158546366 1.5123e-08 AU
q 2.11696898910699 1.2738e-07 AU
i 1.783030342382439 6.0034e-06 deg
node 321.9317825387114 0.00015084 deg
peri 231.6165305929051 0.00015227 deg
M 172.4527863234482 2.29e-05 deg
tp 2456137.431083198374
(2012-Jul-28.93108320)
8.7297e-05 JED
period 1384.174852361484
3.79
1.2918e-05
3.537e-08
d
yr
n .2600827484951188 2.4273e-09 deg/d
Q 2.744397327985742 1.7075e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1172  
   data-arc span      14444 days (39.55 yr)  
   first obs. used      1974-02-14  
   last obs. used      2013-09-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48148  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:02:46  

Additional Information
 Earth MOID = 1.11724 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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