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JPL Small-Body Database Browser
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172077 (2002 AF202)
Classification: Main-belt Asteroid          SPK-ID: 2172077
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1129093265361763 4.8806e-08  
a 2.240614855877677 1.4977e-08 au
q 1.987628541473577 1.1321e-07 au
i 3.874228325858681 5.1981e-06 deg
node 239.94560661 7.611e-05 deg
peri 348.9403870639852 8.0027e-05 deg
M 83.70575351967226 2.3043e-05 deg
tp 2458715.659294296717
(2019-Aug-20.15929430)
7.8959e-05 TDB
period 1225.037106070406
3.35
1.2282e-05
3.363e-08
d
yr
n .293868649542204 2.9464e-09 deg/d
Q 2.493601170281777 1.6668e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      6314 days (17.29 yr)  
   first obs. used      2002-01-12  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59321  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:16:31  

Additional Information
 Earth MOID = .977475 au 
 Jupiter MOID = 2.4928 au 
 T_jup = 3.623 
[ 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 16.8   n/a MPO427050  

172077 (2002 AF202)          Discovered 2002-Jan-12 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2002 AF202 = 2003 QS8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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