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180220 (2003 UG44)
Classification: Main-belt Asteroid          SPK-ID: 2180220
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07058928466034819 4.436e-08  
a 2.33855923626861 1.3923e-08 au
q 2.173482012644558 1.0514e-07 au
i 3.854079993625918 4.8585e-06 deg
node .6813151111908377 7.0812e-05 deg
peri 175.022135893064 7.8399e-05 deg
M 137.2365927109601 3.3716e-05 deg
tp 2458702.546928245002
(2019-Aug-07.04692825)
0.00012198 TDB
period 1306.234017404915
3.58
1.1665e-05
3.194e-08
d
yr
n .2756014582403919 2.4612e-09 deg/d
Q 2.503636459892661 1.4905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      21321 days (58.37 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64207  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:25:38  

Additional Information
 Earth MOID = 1.17702 au 
 Jupiter MOID = 2.45641 au 
 T_jup = 3.559 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO469940  

180220 (2003 UG44)          Discovered 2003-Oct-18 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2003 UG44 = 2005 ES47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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