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6652 (1991 SJ1)
Classification: Main-belt Asteroid          SPK-ID: 2006652
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1751762338621615 6.3533e-08  
a 2.645009488032627 1.9864e-08 AU
q 2.181666687389388 1.7568e-07 AU
i 14.16263801807684 8.2762e-06 deg
node 167.6001258354621 2.3642e-05 deg
peri 303.0886718745961 3.2544e-05 deg
M 14.10878985196735 2.1946e-05 deg
tp 2456738.921863462769
(2014-Mar-22.42186346)
9.5671e-05 JED
period 1571.2282474965
4.30
1.77e-05
4.846e-08
d
yr
n .2291201170635789 2.581e-09 deg/d
Q 3.108352288675866 2.3344e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      944  
   data-arc span      8224 days (22.52 yr)  
   first obs. used      1991-09-12  
   last obs. used      2014-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56647  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:50:55  

Additional Information
 Earth MOID = 1.23081 AU 
 T_jup = 3.328 
[ 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 12.6 mag n/a MPO247427  

6652 (1991 SJ1)          Discovered 1991-Sep-16 by Holt, H. E. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1991 SJ1 = 1993 CQ1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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