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146836 (2002 AR40)
Classification: Main-belt Asteroid          SPK-ID: 2146836
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06651611862497384 3.9259e-08  
a 2.802666355772097 2.0691e-08 au
q 2.616243867985337 1.172e-07 au
i 4.652293449326755 4.4964e-06 deg
node 143.1325936233348 5.535e-05 deg
peri 294.8028969483952 6.799e-05 deg
M 11.01648023270399 3.7561e-05 deg
tp 2458948.055990690874
(2020-Apr-08.55599069)
0.00017883 TDB
period 1713.78180257955
4.69
1.8978e-05
5.196e-08
d
yr
n .2100617473345412 2.3262e-09 deg/d
Q 2.989088843558858 2.2067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      439  
   data-arc span      6591 days (18.05 yr)  
   first obs. used      2002-01-09  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59888  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:39:42  

Additional Information
 Earth MOID = 1.63604 au 
 Jupiter MOID = 2.16538 au 
 T_jup = 3.316 
[ 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 15.8   n/a MPO453934  

146836 (2002 AR40)          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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