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146840 (2002 AN49)
Classification: Main-belt Asteroid          SPK-ID: 2146840
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1377892466631488 5.7932e-08  
a 3.09917429172218 2.916e-08 au
q 2.672141400787983 1.6938e-07 au
i 4.06523463504957 5.6119e-06 deg
node 126.6092068793328 9.8023e-05 deg
peri .3350341537819009 0.00010175 deg
M 131.8188511102657 2.8122e-05 deg
tp 2458270.803186910743
(2018-Jun-01.30318691)
0.0001511 TDB
period 1992.817040200065
5.46
2.8126e-05
7.7e-08
d
yr
n .1806487965216608 2.5496e-09 deg/d
Q 3.526207182656377 3.3178e-08 au
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      8572 days (23.47 yr)  
   first obs. used      1995-11-17  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62506  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:39:50  

Additional Information
 Earth MOID = 1.68736 au 
 Jupiter MOID = 1.53188 au 
 T_jup = 3.204 
[ 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 16.0   n/a MPO432922  

146840 (2002 AN49)          Discovered 2002-Jan-09 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2002 AN49 = 1995 WW21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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