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7759 (1990 QD2)
Classification: Main-belt Asteroid          SPK-ID: 2007759
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2106305711475877 4.8247e-08  
a 2.357062044839779 1.2532e-08 AU
q 1.860592720104876 1.1253e-07 AU
i 1.754758951138633 4.9081e-06 deg
node 118.3434824490959 0.0001836 deg
peri 198.7714048651475 0.00018419 deg
M 270.411363181984 1.8039e-05 deg
tp 2457329.431432498382
(2015-Nov-02.93143250)
6.7718e-05 JED
period 1321.767133704223
3.62
1.0541e-05
2.886e-08
d
yr
n .2723626505911885 2.1721e-09 deg/d
Q 2.853531369574683 1.5171e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1213  
   data-arc span      15770 days (43.18 yr)  
   first obs. used      1971-03-24  
   last obs. used      2014-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51292  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:10:24  

Additional Information
 Earth MOID = .848135 AU 
 T_jup = 3.523 
[ 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 13.7 mag n/a MPO256921  

7759 (1990 QD2)          Discovered 1990-Aug-22 by Holt, H. E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1990 QD2 = 1972 RT1 = 1972 TO8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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