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7819 (1990 RR3)
Classification: Main-belt Asteroid          SPK-ID: 2007819
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .168844679225596 6.7526e-08  
a 2.564343901619439 2.359e-08 AU
q 2.131368078126391 1.7459e-07 AU
i 2.733034950097979 6.1836e-06 deg
node 36.18485778179661 0.00013969 deg
peri 234.0334727386399 0.0001406 deg
M 341.179779831948 2.5576e-05 deg
tp 2456878.912450636913
(2014-Aug-09.41245064)
0.00010729 JED
period 1499.901806526557
4.11
2.0697e-05
5.667e-08
d
yr
n .2400157119842938 3.3119e-09 deg/d
Q 2.997319725112486 2.7573e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      950  
   data-arc span      12016 days (32.90 yr)  
   first obs. used      1981-05-08  
   last obs. used      2014-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54901  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:53:27  

Additional Information
 Earth MOID = 1.11633 AU 
 T_jup = 3.411 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO263418  

7819 (1990 RR3)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1990 RR3 = 1981 JA5 = 1997 EX17 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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