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186815 (2004 FJ12)
Classification: Main-belt Asteroid          SPK-ID: 2186815
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07995790962189844 4.2859e-08  
a 2.358312694566927 1.0906e-08 au
q 2.169746941274569 9.9631e-08 au
i 6.574493570522453 4.6869e-06 deg
node 234.7995601157097 3.3543e-05 deg
peri 14.67949836257106 4.3148e-05 deg
M 156.4311939760327 2.6653e-05 deg
tp 2458625.693898645120
(2019-May-22.19389865)
9.7567e-05 TDB
period 1322.819261479659
3.62
9.1761e-06
2.512e-08
d
yr
n .2721460221234734 1.8878e-09 deg/d
Q 2.546878447859286 1.1778e-08 au
  Orbit Determination Parameters
   # obs. used (total)      536  
   data-arc span      8172 days (22.37 yr)  
   first obs. used      1998-09-29  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55229  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:50  

Additional Information
 Earth MOID = 1.15511 au 
 Jupiter MOID = 2.4646 au 
 T_jup = 3.540 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.23   n/a MPCxxxxx  

186815 (2004 FJ12)          Discovered 2004-Mar-16 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2004 FJ12 = 2005 QR39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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