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212795 Fangjiancheng (2007 TD247)
Classification: Main-belt Asteroid          SPK-ID: 2212795
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1244326309339971 6.5128e-08  
a 2.231301127280197 1.3087e-08 au
q 1.953654457606729 1.4513e-07 au
i 4.860405824039217 4.199e-06 deg
node 135.5967563009569 7.9579e-05 deg
peri 239.0806246900399 8.1997e-05 deg
M 301.6474237722023 2.0156e-05 deg
tp 2459197.830055481951
(2020-Dec-14.33005548)
6.8294e-05 TDB
period 1217.406746467883
3.33
1.0711e-05
2.933e-08
d
yr
n .2957105347448453 2.6017e-09 deg/d
Q 2.508947796953665 1.4716e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      7352 days (20.13 yr)  
   first obs. used      1999-03-21  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61174  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:50:34  

Additional Information
 Earth MOID = .959115 au 
 Jupiter MOID = 2.95974 au 
 T_jup = 3.627 
[ 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 17.2   n/a MPO433391  

212795 Fangjiancheng           Discovered 2007 Oct. 9 by PMO NEO Survey Program at XuYi.
Fang Jiancheng (b. 1965), is an academician of the Chinese Academy of Sciences. He has been recognized as a leader in Inertial Instrument and System Technology, and the founder of theory and practice of Magnetically Suspended Inertial Actuators in China.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-06-09Last Updated: 2017-06-12

Alternate Designations
 2007 TD247 = 1999 FG92 = 2006 HC113 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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