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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06651611776808286 3.882e-08  
a 2.802666356164234 2.0456e-08 au
q 2.61624387075297 1.156e-07 au
i 4.652293297352188 4.4894e-06 deg
node 143.1325904036599 5.4939e-05 deg
peri 294.8029001936031 6.7659e-05 deg
M 11.01648005971623 3.7526e-05 deg
tp 2458948.055991503376
(2020-Apr-08.55599150)		 0.00017867 TDB
period 1713.781802939228
4.69		 1.8763e-05
5.137e-08		 d
yr
n .2100617472904547 2.2998e-09 deg/d
Q 2.989088841575498 2.1817e-08 au
   Orbit Determination Parameters
   # obs. used (total)      445  
   data-arc span      6885 days (18.85 yr)  
   first obs. used      2002-01-09  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59755  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:07:13  

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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