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7761 (1990 SL)
Classification: Main-belt Asteroid          SPK-ID: 2007761
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2828928805882617 8.8893e-08  
a 2.364986822153537 2.3902e-08 AU
q 1.695948887481244 2.037e-07 AU
i 24.77128098242741 9.8038e-06 deg
node 76.9444144894848 2.1179e-05 deg
peri 223.1257281723195 2.9483e-05 deg
M 210.8745524032013 2.8541e-05 deg
tp 2457350.788927126726
(2015-Nov-24.28892713)
0.0001104 JED
period 1328.438686744126
3.64
2.0139e-05
5.514e-08
d
yr
n .27099481789583 4.1083e-09 deg/d
Q 3.03402475682583 3.0664e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      11163 days (30.56 yr)  
   first obs. used      1983-10-06  
   last obs. used      2014-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58308  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:04:33  

Additional Information
 Earth MOID = .73469 AU 
 T_jup = 3.374 
[ 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 13.8 mag n/a MPO279597  

7761 (1990 SL)          Discovered 1990-Sep-20 by McNaught, R. H. at Siding Spring (413)
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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