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10929 Chenfangyun (1998 CF1)
Classification: Main-belt Asteroid          SPK-ID: 2010929
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1040290235316488 1.4015e-08  
a 3.159139407891981 1.4069e-08 au
q 2.830497220088627 4.5479e-08 au
i 1.535119343651492 7.4464e-07 deg
node 34.03468957251801 3.4356e-05 deg
peri 182.1320210944607 3.5161e-05 deg
M 310.5267100028572 9.6049e-06 deg
tp 2459482.351210783830
(2021-Sep-24.85121078)
5.4673e-05 TDB
period 2050.933663155183
5.62
1.37e-05
3.751e-08
d
yr
n .1755298118448996 1.1725e-09 deg/d
Q 3.487781595695335 1.5532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2589  
   data-arc span      15544 days (42.56 yr)  
   first obs. used      1978-09-02  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49843  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 00:48:23  

Additional Information
 Earth MOID = 1.82241 au 
 Jupiter MOID = 1.47988 au 
 T_jup = 3.196 
[ 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 13.05   n/a MPCxxxxx  
diameter diameter 13.147 km 0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.711 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.060   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10929 Chenfangyun           Discovered 1998 Feb. 1 by the Beijing Schmidt CCD Asteroid Program at Xinglong.
Fangyun Chen (b. 1916) made initiative contributions to the research on radio electronics in China. A member of both the Chinese Academy of Sciences and the International Academy of Astronautics, he received several highest scientific achievement prizes 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: 20010804/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1998 CF1 = 1978 RN10 = 1982 FH1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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