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185782 (1999 UG43)
Classification: Main-belt Asteroid          SPK-ID: 2185782
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09732301620120855 8.0989e-08  
a 3.092648892365029 3.8565e-08 au
q 2.791662974108738 2.6703e-07 au
i 14.47773695197708 7.9987e-06 deg
node 236.6373008331053 2.0548e-05 deg
peri 126.0721368930087 4.0545e-05 deg
M 310.5217538092826 3.6059e-05 deg
tp 2459273.527347259667
(2021-Feb-28.02734726)
0.00020164 TDB
period 1986.526455174157
5.44
3.7158e-05
1.017e-07
d
yr
n .1812208435796739 3.3897e-09 deg/d
Q 3.393634810621321 4.2319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      408  
   data-arc span      7504 days (20.54 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50015  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 04:51:21  

Additional Information
 Earth MOID = 1.81966 au 
 Jupiter MOID = 2.11283 au 
 T_jup = 3.168 
[ 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 14.8   n/a MPO264443  

185782 (1999 UG43)          Discovered 1999-Oct-28 by CSS at Catalina
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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