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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08521537616576584 4.0883e-08  
a 2.212241788458494 1.0571e-08 au
q 2.023724772285377 8.937e-08 au
i 5.548258769195907 3.8104e-06 deg
node 61.90904435790418 5.1866e-05 deg
peri 63.57357608813595 5.8683e-05 deg
M 58.56542390580753 2.7171e-05 deg
tp 2459200.982288689901
(2020-Dec-17.48228869)
9.0621e-05 TDB
period 1201.841827096483
3.29
8.6146e-06
2.359e-08
d
yr
n .2995402488776083 2.1471e-09 deg/d
Q 2.400758804631611 1.1472e-08 au
  Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      6387 days (17.49 yr)  
   first obs. used      2003-10-24  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57304  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:41:45  

Additional Information
 Earth MOID = 1.04689 au 
 Jupiter MOID = 2.63937 au 
 T_jup = 3.645 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458076.5 (2017-Nov-19.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08428698105338446 4.0895e-08  
q 2.025730416404308 8.9311e-08 au
tp 2457999.393831892835
(2017-Sep-02.89383189)
9.1813e-05 TDB
node 61.92154281092601 5.1851e-05 deg
peri 63.70467214498805 5.8839e-05 deg
i 5.54932448198069 3.8114e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      6387 days (17.49 yr)  
   first obs. used      2003-10-24  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57304  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:41:45  

Additional Information
 Jupiter MOID = 2.63937 au 
 T_jup = 3.645 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.672414601745703E-15 -3.631507540558431E-15 1.419731865460539E-12 2.744072090159906E-14 4.215384560383968E-13 -2.262265818778051E-15
q -3.631507540558431E-15 7.976436255537686E-15 -3.178162477276368E-12 -5.832654385213531E-14 -9.458903392241159E-13 5.004641960803488E-15
tp 1.419731865460539E-12 -3.178162477276368E-12 8.429644754046682E-9 4.018874919221851E-11 2.580309251873953E-9 -2.364748638554413E-12
node 2.744072090159906E-14 -5.832654385213531E-14 4.018874919221851E-11 2.688511251919196E-9 -2.663290664160208E-9 -3.978249048503856E-11
peri 4.215384560383968E-13 -9.458903392241159E-13 2.580309251873953E-9 -2.663290664160208E-9 3.462036791952454E-9 3.887732724172101E-11
i -2.262265818778051E-15 5.004641960803488E-15 -2.364748638554413E-12 -3.978249048503856E-11 3.887732724172101E-11 1.452708101749684E-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 17.39   n/a MPCxxxxx  

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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