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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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457099.5 (2015-Mar-18.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2362162446988755 2.5011e-07  
q 1.747113209652125 5.5307e-07 au
tp 2457449.261237678103
(2016-Mar-01.76123768)
0.00048848 TDB
node 98.17968808557002 2.4507e-05 deg
peri 44.8231692635019 0.00022647 deg
i 25.49936602272701 2.2962e-05 deg
  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
 Jupiter MOID = 2.42456 au 
 T_jup = 3.438 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.255529286946285E-14 -1.381570713971409E-13 -6.028393674144278E-11 -6.035166439810751E-13 -2.561071984761155E-11 -3.004454378319094E-12
q -1.381570713971409E-13 3.058887286626168E-13 1.236926921040257E-10 1.376010293150762E-12 5.206837465361697E-11 6.615122984689682E-12
tp -6.028393674144278E-11 1.236926921040257E-10 2.386113164144215E-7 -1.222676287034476E-10 1.099593455144178E-7 3.448055156416397E-9
node -6.035166439810751E-13 1.376010293150762E-12 -1.222676287034476E-10 6.005915689261452E-10 -6.224143943177447E-10 4.198282254250357E-10
peri -2.561071984761155E-11 5.206837465361697E-11 1.099593455144178E-7 -6.224143943177447E-10 5.128797287050625E-8 1.132933634124561E-9
i -3.004454378319094E-12 6.615122984689682E-12 3.448055156416397E-9 4.198282254250357E-10 1.132933634124561E-9 5.272509784512898E-10

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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