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146835 (2002 AF40)
Classification: Main-belt Asteroid          SPK-ID: 2146835
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08941075397966392 7.4064e-08  
a 2.986615390812966 3.4579e-08 au
q 2.71957985687311 2.2397e-07 au
i 3.505388083046657 6.2126e-06 deg
node 258.593250218265 0.00013623 deg
peri 318.873306508976 0.00014116 deg
M 114.7861447139985 4.0888e-05 deg
tp 2458399.389458790964
(2018-Oct-07.88945879)
0.00021087 TDB
period 1885.243165666338
5.16
3.2741e-05
8.964e-08
d
yr
n .1909567988661867 3.3163e-09 deg/d
Q 3.253650924752822 3.7671e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      8656 days (23.70 yr)  
   first obs. used      1994-09-04  
   last obs. used      2018-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61558  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:30:58  

Additional Information
 Earth MOID = 1.7132 au 
 Jupiter MOID = 1.73513 au 
 T_jup = 3.249 
[ 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 15.6   n/a MPO436737  

146835 (2002 AF40)          Discovered 2002-Jan-09 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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