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20858 Cuirongfeng (2000 VM31)
Classification: Main-belt Asteroid          SPK-ID: 2020858
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03916854319149733 4.0052e-08  
a 2.625164066242376 1.2707e-08 au
q 2.522340214128995 1.0481e-07 au
i 2.001023965919809 4.8178e-06 deg
node 183.2341985979364 0.00011354 deg
peri 223.8257587355077 0.00012647 deg
M 272.7595571016029 5.5715e-05 deg
tp 2459576.985681874292
(2021-Dec-28.48568187)
0.00024064 TDB
period 1553.578145317228
4.25
1.128e-05
3.088e-08
d
yr
n .2317231360939948 1.6825e-09 deg/d
Q 2.727987918355758 1.3205e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1269  
   data-arc span      9572 days (26.21 yr)  
   first obs. used      1994-05-15  
   last obs. used      2020-07-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52066  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:32:57  

Additional Information
 Earth MOID = 1.53064 au 
 Jupiter MOID = 2.40672 au 
 T_jup = 3.401 
[ 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 14.82   n/a E2021B10  
diameter diameter 3.496 km 0.710 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.158   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20858 Cuirongfeng           Discovered 2000 Nov. 1 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Cui Rongfeng (b. 1985) was awarded second place in the 2004 Intel International Science and Engineering Fair for his microbiology project. He attends the No.6 High School of Guangzhou, Guangzhou, Guangdong, China.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041226/MPCPages.arcLast Updated: 2004-12-25

[ show close-approach data ]
Alternate Designations
 2000 VM31 = 1998 FW143 = 1999 NF32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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