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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1749670777776283 6.1488e-08  
a 2.643991204103723 2.2186e-08 AU
q 2.181379789451942 1.7198e-07 AU
i 14.16570377114495 7.2941e-06 deg
node 167.5968838552551 2.3307e-05 deg
peri 302.9942211822917 3.1066e-05 deg
M 60.03714028288864 1.9338e-05 deg
tp 2456738.617828922421
(2014-Mar-22.11782892)
8.4212e-05 JED
period 1570.320990368667
4.30
1.9765e-05
5.411e-08
d
yr
n .2292524918204668 2.8856e-09 deg/d
Q 3.106602618755503 2.6068e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      945  
   data-arc span      8474 days (23.20 yr)  
   first obs. used      1991-09-12  
   last obs. used      2014-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52461  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:17:51  

Additional Information
 Earth MOID = 1.23086 AU 
 T_jup = 3.329 
[ 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 12.7 mag n/a MPO290519  

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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