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243546 Fengchuanliu (2010 JH61)
Classification: Main-belt Asteroid          SPK-ID: 2243546
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .116366055996848 5.8115e-08  
a 3.031693624733028 3.6573e-08 au
q 2.678907394632057 1.7139e-07 au
i 16.23573039100788 6.931e-06 deg
node 161.7870911597761 2.4455e-05 deg
peri 282.1946838871569 4.0436e-05 deg
M 189.7152742320804 3.3352e-05 deg
tp 2459912.509970174760
(2022-Nov-29.00997017)
0.00018461 TDB
period 1928.085961804845
5.28
3.489e-05
9.552e-08
d
yr
n .1867136668859985 3.3787e-09 deg/d
Q 3.384479854833998 4.0829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      5933 days (16.24 yr)  
   first obs. used      2003-04-01  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6032  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:22:02  

Additional Information
 Earth MOID = 1.75187 au 
 Jupiter MOID = 1.89767 au 
 T_jup = 3.172 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO391275  
diameter diameter 4.415 km 0.274 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243546 Fengchuanliu           Discovered 2010 May 8 by WISE.
Fengchuan Liu (b. 1965) is an expert in cryogenic physics who served as the project manager for the Wide-field Infrared Survey Explorer and NEOWISE projects and who has worked on a number of other NASA low temperature physics experiments.
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 2013-11-17Last Updated: 2014-11-10

[ show close-approach data ]
Alternate Designations
 2010 JH61 = 2008 CE210 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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