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201999 (2004 PJ103)
Classification: Main-belt Asteroid          SPK-ID: 2201999
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2422919242321937 3.9201e-08  
a 2.362650065585906 1.4611e-08 au
q 1.790199034907778 9.5587e-08 au
i 3.270647017205907 5.4501e-06 deg
node 278.3887911984932 0.00010283 deg
peri 34.71706996221076 0.00010407 deg
M 153.6864922564043 1.6476e-05 deg
tp 2458434.220645437938
(2018-Nov-11.72064544)
5.7732e-05 TDB
period 1326.470300995806
3.63
1.2305e-05
3.369e-08
d
yr
n .2713969545565711 2.5176e-09 deg/d
Q 2.935101096264033 1.8151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      5643 days (15.45 yr)  
   first obs. used      2004-08-12  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53873  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 00:15:56  

Additional Information
 Earth MOID = .777283 au 
 Jupiter MOID = 2.35742 au 
 T_jup = 3.508 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456914.5 (2014-Sep-14.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2431034569294125 3.9051e-08  
q 1.787556397340642 9.5205e-08 au
tp 2457108.720620428918
(2015-Mar-27.22062043)
5.1904e-05 TDB
node 278.4785758077227 0.00010292 deg
peri 34.750318307198 0.00010415 deg
i 3.270019000444709 5.447e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      5643 days (15.45 yr)  
   first obs. used      2004-08-12  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53873  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 00:15:56  

Additional Information
 Jupiter MOID = 2.35742 au 
 T_jup = 3.508 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.524965509272489E-15 -3.694008721382726E-15 -3.304901748747256E-13 1.006818906830563E-14 -1.574926433053185E-13 -2.071880054803581E-16
q -3.694008721382726E-15 9.064002046782495E-15 9.807251196829454E-13 -2.529450324590823E-14 4.293885341462036E-13 5.750861749856334E-16
tp -3.304901748747256E-13 9.807251196829454E-13 2.694029902977976E-9 -1.380107156083504E-11 8.567187824999734E-10 -2.754093769126604E-12
node 1.006818906830563E-14 -2.529450324590823E-14 -1.380107156083504E-11 1.05923392761502E-8 -1.05792931162966E-8 -2.187330014378064E-10
peri -1.574926433053185E-13 4.293885341462036E-13 8.567187824999734E-10 -1.05792931162966E-8 1.084658732680828E-8 2.175215961283909E-10
i -2.071880054803581E-16 5.750861749856334E-16 -2.754093769126604E-12 -2.187330014378064E-10 2.175215961283909E-10 2.967006210995999E-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 16.5   n/a MPO449981  

201999 (2004 PJ103)          Discovered 2004-Aug-12 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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