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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2358059440577583 2.3174e-07  
a 2.287934159661266 2.6365e-08 au
q 1.748425685200347 5.1678e-07 au
i 25.49790773360627 1.3014e-05 deg
node 98.15302789256708 1.3426e-05 deg
peri 44.81244481603136 6.5487e-05 deg
M 81.96470644595939 3.9335e-05 deg
tp 2458712.701783879390
(2019-Aug-17.20178388)
0.00013996 TDB
period 1264.048421520664
3.46
2.1849e-05
5.982e-08
d
yr
n .2847992164468794 4.9228e-09 deg/d
Q 2.827442634122185 3.2582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      6765 days (18.52 yr)  
   first obs. used      2002-01-09  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56389  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:41:16  

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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