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JPL Small-Body Database Browser
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376913 (2002 AF31)
Classification: Main-belt Asteroid          SPK-ID: 2376913
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1729620321139616 8.9618e-08  
a 2.602427422417982 2.2866e-08 au
q 2.152306287007469 2.2861e-07 au
i 3.287819039957298 7.8534e-06 deg
node 275.2130995112116 0.00015921 deg
peri 236.4917546625816 0.00016052 deg
M 107.2642773397922 1.9267e-05 deg
tp 2458543.602294437952
(2019-Mar-01.10229444)
8.145e-05 TDB
period 1533.438513562971
4.20
2.021e-05
5.533e-08
d
yr
n .2347665046989942 3.0942e-09 deg/d
Q 3.052548557828496 2.6821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      6340 days (17.36 yr)  
   first obs. used      2001-12-19  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66287  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 02:49:37  

Additional Information
 Earth MOID = 1.16524 au 
 Jupiter MOID = 1.96477 au 
 T_jup = 3.390 
[ 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 17.2   n/a MPO418910  

376913 (2002 AF31)          Discovered 2002-Jan-09 by LINEAR at Socorro
Reference: Last Updated: 2013-11-20

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1962-Aug-16 17:08 00:02 Jupiter 1.96130191826842 1.96130120766661 1.96130262886979 1.98866677411333 1.7581412285814 2437893.213801083 1.93462730063266 169.446861465821 43.3371682511932 83.7963478091639 1188142.98197569 T 13 CATAB v2.0f-lin.ifort 2020-Feb-26 02:49:39 2020-Feb-26 02:49
2034-Jan-03 14:07 < 00:01 Jupiter 1.95962872668155 1.95962797992603 1.95962947343728 1.96281311239585 1.72863034560865 2463966.088345967 0.798371582599948 115.037314882759 40.0555955319981 79.0889644884478 1350194.00442333 T 13 CATAB v2.0f-lin.ifort 2020-Feb-26 02:49:39 2020-Feb-26 02:49
2105-May-23 21:09 00:03 Jupiter 1.96680138601816 1.96680064790007 1.96680212413548 1.98256698926137 1.7519280918053 2490038.380968806 3.41403617915165 229.735961029386 37.7954544050813 -89.9789432764279 1147337.50205983 T 13 CATAB v2.0f-lin.ifort 2020-Feb-26 02:49:39 2020-Feb-26 02:49
2176-Oct-11 01:13 00:06 Jupiter 1.97683430163465 1.97683313652334 1.97683546675371 2.03838996514538 1.81606311285945 2516111.550807700 6.07987175919855 336.439111778 31.1640750404076 -85.7679420428219 1062475.37655696 T 13 CATAB v2.0f-lin.ifort 2020-Feb-26 02:49:39 2020-Feb-26 02:49

Alternate Designations
 2002 AF31 = 2009 WN186 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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