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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1347641814025442 5.8303e-08  
a 2.685151463275512 2.3617e-08 AU
q 2.323289224385344 1.6406e-07 AU
i 4.642118511200833 6.7802e-06 deg
node 117.0736889307031 0.00011737 deg
peri 346.659875792575 0.0001239 deg
M 8.162384010368442 4.1123e-05 deg
tp 2456964.061026735447
(2014-Nov-02.56102674)
0.00018339 JED
period 1607.132224920505
4.40
2.1203e-05
5.805e-08
d
yr
n .224001481905328 2.9553e-09 deg/d
Q 3.04701370216568 2.68e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      918  
   data-arc span      10985 days (30.08 yr)  
   first obs. used      1984-01-05  
   last obs. used      2014-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51365  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:57:26  

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 13.3 mag n/a MPO263414  

7339 (1991 RA16)          Discovered 1991-Sep-15 by Holt, H. E. at Palomar (675)
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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