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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1555682493600541 6.603e-08  
a 3.18177114716851 5.28e-08 AU
q 2.686788579939174 2.2716e-07 AU
i 17.56696167287163 1.3597e-05 deg
node 7.873801791553147 2.2697e-05 deg
peri 278.7673259727278 4.892e-05 deg
M 61.51084016711096 4.3507e-05 deg
tp 2456446.298012296081
(2013-Jun-02.79801230)
0.00024892 JED
period 2073.012093916905
5.68
5.1601e-05
1.413e-07
d
yr
n .173660347209933 4.3227e-09 deg/d
Q 3.676753714397846 6.1014e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      807  
   data-arc span      8338 days (22.83 yr)  
   first obs. used      1991-09-02  
   last obs. used      2014-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49877  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:31:40  

Additional Information
 Earth MOID = 1.7417 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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