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201992 (2004 PJ84)
Classification: Main-belt Asteroid          SPK-ID: 2201992
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2164454262829802 5.215e-08  
a 2.388411969848899 1.2185e-08 au
q 1.871451122895581 1.2321e-07 au
i 3.330486384008766 4.8705e-06 deg
node 140.2902874968482 9.8922e-05 deg
peri 190.0861482903925 9.9828e-05 deg
M 114.0689879034447 1.399e-05 deg
tp 2458573.303807889881
(2019-Mar-30.80380789)
5.0851e-05 TDB
period 1348.224718972883
3.69
1.0317e-05
2.825e-08
d
yr
n .2670178012121441 2.0433e-09 deg/d
Q 2.905372816802216 1.4822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      2000-07-07  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58247  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 00:15:34  

Additional Information
 Earth MOID = .860654 au 
 Jupiter MOID = 2.45486 au 
 T_jup = 3.499 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457445.5 (2016-Feb-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2176412582816198 5.2253e-08  
q 1.867806365761611 1.2356e-07 au
tp 2457225.701271269352
(2015-Jul-22.20127127)
4.6796e-05 TDB
node 140.350412774151 9.8909e-05 deg
peri 190.0590563047685 9.9802e-05 deg
i 3.33137993850136 4.8743e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      2000-07-07  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58247  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 00:15:34  

Additional Information
 Jupiter MOID = 2.45486 au 
 T_jup = 3.499 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.730373303995987E-15 -6.437670535960414E-15 1.05378220195229E-12 2.092892607219486E-14 2.009846346294205E-13 -2.574366398799747E-15
q -6.437670535960414E-15 1.52661910243328E-14 -2.404036726511137E-12 -4.965371166064161E-14 -4.477494331599845E-13 6.127786706622578E-15
tp 1.05378220195229E-12 -2.404036726511137E-12 2.189861965895364E-9 -2.64939202259244E-12 6.511872670909912E-10 -2.799897768165493E-12
node 2.092892607219486E-14 -4.965371166064161E-14 -2.64939202259244E-12 9.782940336849808E-9 -9.767266671342035E-9 1.676370711216996E-10
peri 2.009846346294205E-13 -4.477494331599845E-13 6.511872670909912E-10 -9.767266671342035E-9 9.960530744587199E-9 -1.681660188132943E-10
i -2.574366398799747E-15 6.127786706622578E-15 -2.799897768165493E-12 1.676370711216996E-10 -1.681660188132943E-10 2.375887584014169E-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 16.8   n/a MPO440089  

201992 (2004 PJ84)          Discovered 2004-Aug-10 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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