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13968 (1991 RE7)
Classification: Main-belt Asteroid          SPK-ID: 2013968
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1555312535948895 5.39e-08  
a 3.18113776056643 4.1942e-08 AU
q 2.686371416807494 1.7199e-07 AU
i 17.56830085163244 1.2205e-05 deg
node 7.874921760485224 2.032e-05 deg
peri 278.6972165417272 4.537e-05 deg
M 96.32156756988506 4.3329e-05 deg
tp 2456446.010683144938
(2013-Jun-02.51068314)
0.00024556 JED
period 2072.393121332802
5.67
4.0985e-05
1.122e-07
d
yr
n .173712215261782 3.4355e-09 deg/d
Q 3.675904104325367 4.8465e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      913  
   data-arc span      8535 days (23.37 yr)  
   first obs. used      1991-09-02  
   last obs. used      2015-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48066  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:38:56  

Additional Information
 Earth MOID = 1.74305 AU 
 T_jup = 3.108 
[ 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 11.9 mag n/a MPO267762  

13968 (1991 RE7)          Discovered 1991-Sep-02 by McNaught, R. H. at Siding Spring (413)
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RE7 = 1995 FJ1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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