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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .283227119051485 8.9015e-08  
a 2.364096051572463 2.3677e-08 AU
q 1.694519937724604 2.0406e-07 AU
i 24.76873946516191 9.8037e-06 deg
node 76.9212208748809 2.1188e-05 deg
peri 223.2088265430401 2.9455e-05 deg
M 265.0270463575005 2.9003e-05 deg
tp 2457350.762422693423
(2015-Nov-24.26242269)
0.00011023 JED
period 1327.688224210456
3.64
1.9945e-05
5.461e-08
d
yr
n .2711479950152327 4.0734e-09 deg/d
Q 3.033672165420323 3.0382e-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 = .735232 AU 
 T_jup = 3.375 
[ 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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