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78372 (2002 PJ125)
Classification: Main-belt Asteroid          SPK-ID: 2078372
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05032948226069225 4.463e-08  
a 2.897515174670547 1.8657e-08 au
q 2.751684736086879 1.2997e-07 au
i 3.107869014861839 4.8892e-06 deg
node 122.7528495994625 7.6025e-05 deg
peri 188.4102271258832 8.6908e-05 deg
M 227.1294339834571 4.4128e-05 deg
tp 2459665.410650965694
(2022-Mar-26.91065097)
0.00022286 TDB
period 1801.511361950906
4.93
1.74e-05
4.764e-08
d
yr
n .1998322117769749 1.9301e-09 deg/d
Q 3.043345613254215 1.9596e-08 au
  Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      17954 days (49.16 yr)  
   first obs. used      1971-03-26  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54895  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:07  

Additional Information
 Earth MOID = 1.73723 au 
 Jupiter MOID = 2.09187 au 
 T_jup = 3.284 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457021.5 (2014-Dec-30.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04854971531661294 4.4167e-08  
q 2.760572429079726 1.2825e-07 au
tp 2457854.018389197333
(2017-Apr-10.51838920)
0.00022806 TDB
node 122.7736141598639 7.596e-05 deg
peri 186.3263835458497 8.7827e-05 deg
i 3.10773803998802 4.8891e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      17954 days (49.16 yr)  
   first obs. used      1971-03-26  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54895  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:07  

Additional Information
 Jupiter MOID = 2.09187 au 
 T_jup = 3.284 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.950733544943351E-15 -5.609300475086554E-15 2.841706436128722E-12 -7.740337519767424E-16 5.643596660736783E-13 3.040681784571472E-16
q -5.609300475086554E-15 1.644790224395048E-14 -7.134256821366769E-12 9.510624394423788E-16 -1.451011663192799E-12 -7.26558538366403E-16
tp 2.841706436128722E-12 -7.134256821366769E-12 5.201315948783638E-8 3.781459374283108E-12 1.006860890098719E-8 2.559630991393382E-12
node -7.740337519767424E-16 9.510624394423788E-16 3.781459374283108E-12 5.769962110805624E-9 -5.76042708270014E-9 1.206011504689626E-10
peri 5.643596660736783E-13 -1.451011663192799E-12 1.006860890098719E-8 -5.76042708270014E-9 7.713592035849453E-9 -1.199392787651465E-10
i 3.040681784571472E-16 -7.26558538366403E-16 2.559630991393382E-12 1.206011504689626E-10 -1.199392787651465E-10 2.39035449939558E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO426480  

78372 (2002 PJ125)          Discovered 2002-Aug-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 PJ125 = 1996 HP2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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