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385509 (2004 FC81)
Classification: Main-belt Asteroid          SPK-ID: 2385509
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2080267175651155 3.9252e-08  
a 2.258206666729468 9.6476e-09 au
q 1.788439346266076 8.8448e-08 au
i 6.412677888431789 4.7188e-06 deg
node 120.9682316563266 4.9624e-05 deg
peri 130.5126928272715 5.2081e-05 deg
M 296.7948618674603 1.3697e-05 deg
tp 2459418.117510978656
(2021-Jul-22.61751098)
4.6969e-05 TDB
period 1239.492646753405
3.39
7.9431e-06
2.175e-08
d
yr
n .2904414164480489 1.8612e-09 deg/d
Q 2.727973987192859 1.1655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      7219 days (19.76 yr)  
   first obs. used      2001-07-27  
   last obs. used      2021-05-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65758  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 12:29:53  

Additional Information
 Earth MOID = .780228 au 
 Jupiter MOID = 2.33278 au 
 T_jup = 3.585 
[ 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 17.27   n/a MPCxxxxx  

385509 (2004 FC81)          Discovered 2004-Mar-16 by LINEAR at Socorro
Reference: Last Updated: 2014-02-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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