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JPL Small-Body Database Browser
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20750 (2000 AF199)
Classification: Main-belt Asteroid          SPK-ID: 2020750
[ 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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2540070456509246 5.1103e-08  
a 2.636775274232163 1.5714e-08 au
q 1.967015776779045 1.3618e-07 au
i 16.39455568427399 4.0885e-06 deg
node 96.73335189855517 1.9809e-05 deg
peri 250.6484546869769 2.0674e-05 deg
M 221.5859657595376 8.0003e-06 deg
tp 2459201.792420247278
(2020-Dec-18.29242025)		 3.6605e-05 TDB
period 1563.896843819766
4.28		 1.398e-05
3.828e-08		 d
yr
n .2301942109689996 2.0577e-09 deg/d
Q 3.306534771685282 1.9705e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1483  
   data-arc span      13299 days (36.41 yr)  
   first obs. used      1982-12-11  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49687  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:55:13  

Additional Information
 Earth MOID = 1.02432 au 
 Jupiter MOID = 2.28307 au 
 T_jup = 3.294 
[ 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 13.3   n/a MPO257015  
diameter diameter 7.842 km 0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.165   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20750 (2000 AF199)          Discovered 2000-Jan-09 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 AF199 = 1998 HV123 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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