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347751 (2002 AN142)
Classification: Main-belt Asteroid          SPK-ID: 2347751
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .142545567311989 7.3201e-08  
a 3.10813576027037 5.0397e-08 au
q 2.66508478503995 2.4869e-07 au
i 7.870180662236502 1.086e-05 deg
node 285.581672862657 6.6396e-05 deg
peri 104.6106785204988 8.5834e-05 deg
M 192.7488178897889 5.5962e-05 deg
tp 2459930.354703541390
(2022-Dec-16.85470354)
0.0003266 TDB
period 2001.466830018079
5.48
4.8679e-05
1.333e-07
d
yr
n .1798680820489782 4.3747e-09 deg/d
Q 3.55118673550079 5.758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      6284 days (17.20 yr)  
   first obs. used      2002-01-12  
   last obs. used      2019-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58371  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:14:27  

Additional Information
 Earth MOID = 1.68468 au 
 Jupiter MOID = 1.95321 au 
 T_jup = 3.190 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456962.5 (2014-Nov-01.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1427999184468788 7.2339e-08  
q 2.664436755471828 2.4546e-07 au
tp 2457931.411320340507
(2017-Jun-26.91132034)
0.00029502 TDB
node 285.592689775704 6.6394e-05 deg
peri 105.2461231643224 8.5874e-05 deg
i 7.870181460249762 1.0858e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      6284 days (17.20 yr)  
   first obs. used      2002-01-12  
   last obs. used      2019-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58371  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:14:27  

Additional Information
 Jupiter MOID = 1.95321 au 
 T_jup = 3.190 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.232991417643201E-15 -1.752756373065092E-14 -1.13407522069956E-11 -3.508674712167166E-14 -1.978716748101328E-12 -1.956570262248689E-14
q -1.752756373065092E-14 6.024822907205917E-14 4.288034104908122E-11 1.200998452739198E-13 7.407917983435041E-12 6.869301937371638E-14
tp -1.13407522069956E-11 4.288034104908122E-11 8.703565879947828E-8 3.965567879031304E-11 1.613753273239944E-8 6.333883726407976E-11
node -3.508674712167166E-14 1.200998452739198E-13 3.965567879031304E-11 4.408190249693697E-9 -4.359870453845592E-9 3.884734067136445E-10
peri -1.978716748101328E-12 7.407917983435041E-12 1.613753273239944E-8 -4.359870453845592E-9 7.374312631119894E-9 -3.734805647066538E-10
i -1.956570262248689E-14 6.869301937371638E-14 6.333883726407976E-11 3.884734067136445E-10 -3.734805647066538E-10 1.179053105402353E-10

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 16.2   n/a MPO471610  

347751 (2002 AN142)          Discovered 2002-Jan-13 by LINEAR at Socorro
Reference: 20121228/Numbers.arcLast Updated: 2013-01-02

[ show close-approach data ]
Alternate Designations
 2002 AN142 = 2005 NF65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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