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12315 (1992 FA2)
Classification: Main-belt Asteroid          SPK-ID: 2012315
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04944364372459221 5.7839e-08  
a 2.736955163707379 2.0945e-08 au
q 2.601630127702848 1.5481e-07 au
i 6.322289426399856 5.5575e-06 deg
node 73.92675558146964 4.9712e-05 deg
peri 347.0446363769168 7.5293e-05 deg
M 213.8630507070902 5.7728e-05 deg
tp 2458071.863130759017
(2017-Nov-14.36313076)
0.00026757 JED
period 1653.86459921791
4.53
1.8985e-05
5.198e-08
d
yr
n .217671990905567 2.4987e-09 deg/d
Q 2.872280199711909 2.1981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1212  
   data-arc span      8539 days (23.38 yr)  
   first obs. used      1992-03-28  
   last obs. used      2015-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46377  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 13:46:37  

Additional Information
 Earth MOID = 1.61394 au 
 Jupiter MOID = 2.31079 au 
 T_jup = 3.341 
[ 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 12.8 mag n/a MPO337362  

12315 (1992 FA2)          Discovered 1992-Mar-28 by Ueda, S., Kaneda, H. at Kushiro
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 FA2 = 1994 TL1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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