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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2106305306621259 4.2588e-08  
a 2.357062036962559 1.0632e-08 AU
q 1.860592809313584 1.0173e-07 AU
i 1.754759383603076 4.7844e-06 deg
node 118.3435027689204 0.00017496 deg
peri 198.7713758522159 0.0001755 deg
M 270.4113783722255 1.461e-05 deg
tp 2457329.431375077350
(2015-Nov-02.93137508)
5.4464e-05 JED
period 1321.767127078272
3.62
8.9435e-06
2.449e-08
d
yr
n .2723626519565285 1.8429e-09 deg/d
Q 2.853531264611534 1.2872e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1237  
   data-arc span      16161 days (44.25 yr)  
   first obs. used      1971-03-24  
   last obs. used      2015-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50604  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:57:42  

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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