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452378 (2002 AD140)
Classification: Main-belt Asteroid          SPK-ID: 2452378
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2358058853203451 2.5036e-07  
a 2.287934164932151 4.1738e-08 au
q 1.74842582361566 5.5424e-07 au
i 25.49791226958066 2.2957e-05 deg
node 98.15302390281114 2.4509e-05 deg
peri 44.81241949547046 0.00022713 deg
M 81.96471643259808 0.00012964 deg
tp 2458712.701747819315
(2019-Aug-17.20174782)
0.00046156 TDB
period 1264.048425888788
3.46
3.4589e-05
9.47e-08
d
yr
n .2847992154627098 7.7932e-09 deg/d
Q 2.827442506248641 5.158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      5198 days (14.23 yr)  
   first obs. used      2002-01-09  
   last obs. used      2016-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57613  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 10:50:31  

Additional Information
 Earth MOID = .819492 au 
 Jupiter MOID = 2.42456 au 
 T_jup = 3.438 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO357303  

452378 (2002 AD140)          Discovered 2002-Jan-13 by LINEAR at Socorro
Reference: Last Updated: 2016-01-04

Alternate Designations
 2002 AD140 = 2008 WJ138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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