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JPL Small-Body Database Browser
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20855 Arifawan (2000 VV27)
Classification: Main-belt Asteroid          SPK-ID: 2020855
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1691199140916131 4.048e-08  
a 2.276003503195479 7.5593e-09 au
q 1.891085986262849 9.2878e-08 au
i 3.474610957597842 3.3556e-06 deg
node 129.6220652441327 7.0288e-05 deg
peri 267.505864940781 7.1116e-05 deg
M 149.0413259829126 9.8955e-06 deg
tp 2458081.267317169951
(2017-Nov-23.76731717)
3.4267e-05 TDB
period 1254.174066059023
3.43
6.2482e-06
1.711e-08
d
yr
n .2870414958676541 1.43e-09 deg/d
Q 2.660921020128109 8.8377e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1521  
   data-arc span      9341 days (25.57 yr)  
   first obs. used      1993-10-09  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49421  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:56:00  

Additional Information
 Earth MOID = .901455 au 
 Jupiter MOID = 2.75487 au 
 T_jup = 3.587 
[ 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 15.1   n/a MPO337434  
diameter diameter 2.910 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.80 h n/a LCDB (Rev. 2019-January); 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:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.173   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20855 Arifawan           Discovered 2000 Nov. 1 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Arif Awan (b. 1987) was awarded second place in the 2004 Intel International Science and Engineering Fair for his medicine and health team project. He attends the Wagar High School, Cote St. Luc, Quebec, Canada.
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 VV27 = 1993 TY45 = 1993 VF5 = 1995 GA6 = 1996 PP4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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