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146838 (2002 AR43)
Classification: Main-belt Asteroid          SPK-ID: 2146838
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2296039087181674 5.9698e-08  
a 3.092486542013782 2.8473e-08 au
q 2.382439544309089 1.8812e-07 au
i 14.76901373885727 6.7898e-06 deg
node 119.9253547094474 2.3786e-05 deg
peri 293.7171017624056 2.8317e-05 deg
M 173.786025328838 1.2461e-05 deg
tp 2458041.601798322519
(2017-Oct-15.10179832)
6.8008e-05 TDB
period 1986.370031483827
5.44
2.7433e-05
7.511e-08
d
yr
n .1812351144520029 2.503e-09 deg/d
Q 3.802533539718476 3.501e-08 au
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      6683 days (18.30 yr)  
   first obs. used      2002-01-09  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61771  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:56:47  

Additional Information
 Earth MOID = 1.43883 au 
 Jupiter MOID = 1.73734 au 
 T_jup = 3.134 
[ 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 15.9   n/a MPO436737  

146838 (2002 AR43)          Discovered 2002-Jan-09 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2002 AR43 = 2005 NQ75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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