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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1555311691724298 6.4789e-08  
a 3.181137831207316 5.1646e-08 AU
q 2.686371745020995 2.2165e-07 AU
i 17.56830031582643 1.3567e-05 deg
node 7.874923144908303 2.2531e-05 deg
peri 278.6971823434916 4.8671e-05 deg
M 96.32158001204128 4.3686e-05 deg
tp 2456446.010593050201
(2013-Jun-02.51059305)
0.00024874 JED
period 2072.393190362673
5.67
5.0469e-05
1.382e-07
d
yr
n .1737122094755577 4.2304e-09 deg/d
Q 3.675903917393638 5.9679e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      827  
   data-arc span      8395 days (22.98 yr)  
   first obs. used      1991-09-02  
   last obs. used      2014-08-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49493  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:02:42  

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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