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183621 (2003 UJ242)
Classification: Main-belt Asteroid          SPK-ID: 2183621
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08520571050026854 4.11e-08  
a 2.212169421881634 1.7015e-08 au
q 2.023679954543241 9.0077e-08 au
i 5.54861845572754 5.2628e-06 deg
node 61.91617210808028 5.663e-05 deg
peri 63.72996646310411 7.3072e-05 deg
M 299.8073387044304 5.0259e-05 deg
tp 2459201.440301088213
(2020-Dec-17.94030109)
0.00016935 TDB
period 1201.782855829323
3.29
1.3866e-05
3.796e-08
d
yr
n .2995549472633907 3.4561e-09 deg/d
Q 2.400658889220027 1.8465e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      5825 days (15.95 yr)  
   first obs. used      2003-10-24  
   last obs. used      2019-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63434  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 20:42:38  

Additional Information
 Earth MOID = 1.04635 au 
 Jupiter MOID = 2.64044 au 
 T_jup = 3.645 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457599.5 (2016-Jul-30.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0844125903286622 4.1036e-08  
q 2.025770830605497 8.9872e-08 au
tp 2457999.016318537515
(2017-Sep-02.51631854)
0.00016206 TDB
node 61.92374871449666 5.6624e-05 deg
peri 63.57657103311304 7.3405e-05 deg
i 5.548985516916916 5.2642e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      5825 days (15.95 yr)  
   first obs. used      2003-10-24  
   last obs. used      2019-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63434  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 20:42:38  

Additional Information
 Jupiter MOID = 2.64044 au 
 T_jup = 3.645 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.68392932628915E-15 -3.632771173855748E-15 1.707649394268635E-12 5.773742684189689E-15 5.234018124013618E-13 2.327889726871615E-15
q -3.632771173855748E-15 8.077060653127476E-15 -2.17026128293539E-12 -1.413679227954966E-14 -7.111580381193985E-13 -3.788582546452128E-15
tp 1.707649394268635E-12 -2.17026128293539E-12 2.626505805066141E-8 -2.856474911349994E-11 7.596824826708013E-9 1.862833761089613E-11
node 5.773742684189689E-15 -1.413679227954966E-14 -2.856474911349994E-11 3.206270603834186E-9 -3.198994701429116E-9 -1.146592076188668E-10
peri 5.234018124013618E-13 -7.111580381193985E-13 7.596824826708013E-9 -3.198994701429116E-9 5.388237227147005E-9 1.195040044498624E-10
i 2.327889726871615E-15 -3.788582546452128E-15 1.862833761089613E-11 -1.146592076188668E-10 1.195040044498624E-10 2.771228954995704E-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 17.4   n/a MPO494017  

183621 (2003 UJ242)          Discovered 2003-Oct-24 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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