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7339 (1991 RA16)
Classification: Main-belt Asteroid          SPK-ID: 2007339
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1347641923567106 5.5947e-08  
a 2.685151451064077 1.6388e-08 AU
q 2.323289184405977 1.5336e-07 AU
i 4.642119115093369 6.5925e-06 deg
node 117.073677869528 7.5187e-05 deg
peri 346.6598691179698 8.1793e-05 deg
M 8.162406177567551 2.8352e-05 deg
tp 2456964.060928023966
(2014-Nov-02.56092802)
0.00012665 JED
period 1607.132213957218
4.40
1.4713e-05
4.028e-08
d
yr
n .2240014834333868 2.0507e-09 deg/d
Q 3.047013717722177 1.8597e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1257  
   data-arc span      11460 days (31.38 yr)  
   first obs. used      1984-01-05  
   last obs. used      2015-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48499  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:58:00  

Additional Information
 Earth MOID = 1.3403 AU 
 T_jup = 3.357 
[ 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 13.4 mag n/a MPO337317  

7339 (1991 RA16)          Discovered 1991-Sep-15 by Holt, H. E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 RA16 = 1984 AM = 1987 SD11 = 1989 CN6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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