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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2104309879133084 5.0475e-08  
a 2.357420224426129 1.2822e-08 AU
q 1.861345957673325 1.1827e-07 AU
i 1.754723121799335 5.1908e-06 deg
node 118.3421420147155 0.00018598 deg
peri 198.7498143322426 0.00018654 deg
M 215.955439062644 1.7292e-05 deg
tp 2457329.491017782032
(2015-Nov-02.99101778)
6.5761e-05 JED
period 1322.06842911862
3.62
1.0787e-05
2.953e-08
d
yr
n .272300579963172 2.2216e-09 deg/d
Q 2.853494491178932 1.5521e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1190  
   data-arc span      15687 days (42.95 yr)  
   first obs. used      1971-03-24  
   last obs. used      2014-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53016  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 10:51:26  

Additional Information
 Earth MOID = .846982 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 (675)
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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