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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2107820044040976 4.0497e-08  
a 2.357325550206843 9.9438e-09 au
q 1.860443745701252 9.7859e-08 au
i 1.754764562198124 4.7331e-06 deg
node 118.3435139631036 0.00016262 deg
peri 198.7047963587725 0.00016318 deg
M 73.8605722110274 1.3348e-05 deg
tp 2457329.269865659725
(2015-Nov-02.76986566)
4.8524e-05 JED
period 1321.988788328405
3.62
8.3647e-06
2.29e-08
d
yr
n .2723169842122516 1.723e-09 deg/d
Q 2.854207354712433 1.204e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1251  
   data-arc span      16208 days (44.38 yr)  
   first obs. used      1971-03-24  
   last obs. used      2015-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50771  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:23:00  

Additional Information
 Earth MOID = .84657 au 
 Jupiter MOID = 2.43515 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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