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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1555311982541865 6.2146e-08  
a 3.181137806875383 4.9325e-08 AU
q 2.686371631960359 2.099e-07 AU
i 17.56830062007264 1.3419e-05 deg
node 7.874922473725867 2.2141e-05 deg
peri 278.6971942933707 4.7954e-05 deg
M 96.32157572636966 4.3603e-05 deg
tp 2456446.010624083082
(2013-Jun-02.51062408)
0.00024797 JED
period 2072.393166585646
5.67
4.82e-05
1.32e-07
d
yr
n .1737122114685964 4.0402e-09 deg/d
Q 3.675903981790406 5.6997e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      839  
   data-arc span      8433 days (23.09 yr)  
   first obs. used      1991-09-02  
   last obs. used      2014-10-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49342  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:26:30  

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

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