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6861 (1991 FA3)
Classification: Main-belt Asteroid          SPK-ID: 2006861
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1376009461125181 6.1556e-08  
a 3.141377308543419 4.5103e-08 AU
q 2.709120818791448 2.0528e-07 AU
i 10.71178229257652 8.9399e-06 deg
node 21.6889331160427 3.7281e-05 deg
peri 257.2582625975498 5.5024e-05 deg
M 15.73417315586703 4.5634e-05 deg
tp 2456911.616733877922
(2014-Sep-11.11673388)
0.00025714 JED
period 2033.661094673825
5.57
4.3798e-05
1.199e-07
d
yr
n .1770206456438798 3.8124e-09 deg/d
Q 3.573633798295389 5.1309e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      962  
   data-arc span      14680 days (40.19 yr)  
   first obs. used      1974-03-21  
   last obs. used      2014-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47352  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:35:38  

Additional Information
 Earth MOID = 1.72057 AU 
 T_jup = 3.169 
[ 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 12.2 mag n/a MPO265994  

6861 (1991 FA3)          Discovered 1991-Mar-20 by Debehogne, H. at La Silla (809)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 FA3 = 1974 FK1 = 1976 SV9 = 1982 UY9 = 1987 RF3 = 1988 VG6 = 1993 TP11 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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