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180730 (2004 JG33)
Classification: Main-belt Asteroid          SPK-ID: 2180730
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .120174287815351 6.5668e-08  
a 2.674167559778345 1.8876e-08 au
q 2.352801377783067 1.7982e-07 au
i 12.6736178882628 7.1648e-06 deg
node 214.7444987398017 1.9791e-05 deg
peri 352.6319331663734 2.7727e-05 deg
M 306.3694121215196 1.8938e-05 deg
tp 2459438.453122322293
(2021-Aug-11.95312232)
8.4519e-05 TDB
period 1597.281093209837
4.37
1.6912e-05
4.63e-08
d
yr
n .2253829971007528 2.3864e-09 deg/d
Q 2.995533741773623 2.1144e-08 au
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      7970 days (21.82 yr)  
   first obs. used      1999-03-22  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54179  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:44:00  

Additional Information
 Earth MOID = 1.3473 au 
 Jupiter MOID = 1.97442 au 
 T_jup = 3.334 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO533112  

180730 (2004 JG33)          Discovered 2004-May-15 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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