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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09732301849509095 8.1073e-08  
a 3.092648893627392 3.8651e-08 au
q 2.79166296815407 2.6719e-07 au
i 14.47773713659635 8.033e-06 deg
node 236.6373004469695 2.0581e-05 deg
peri 126.0721387005671 4.067e-05 deg
M 310.5217521680823 3.6216e-05 deg
tp 2459273.527356483189
(2021-Feb-28.02735648)
0.00020252 TDB
period 1986.526456390453
5.44
3.7241e-05
1.02e-07
d
yr
n .1812208434687174 3.3973e-09 deg/d
Q 3.393634819100713 4.2413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      7238 days (19.82 yr)  
   first obs. used      1999-10-03  
   last obs. used      2019-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:09:47  

Additional Information
 Earth MOID = 1.81966 au 
 Jupiter MOID = 2.11283 au 
 T_jup = 3.168 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1007379343726255 8.1699e-08  
q 2.777479775668263 2.6996e-07 au
tp 2457294.147236740725
(2015-Sep-28.64723674)
0.00018006 TDB
node 236.7087990417865 2.0537e-05 deg
peri 126.9332540933591 3.9589e-05 deg
i 14.5033573615669 8.049e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      7238 days (19.82 yr)  
   first obs. used      1999-10-03  
   last obs. used      2019-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:09:47  

Additional Information
 Jupiter MOID = 2.11283 au 
 T_jup = 3.168 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.674766284248803E-15 -2.191774487612429E-14 4.08267246824784E-12 -4.182272489572689E-14 9.73110354176702E-13 -1.397262938898405E-14
q -2.191774487612429E-14 7.288046561124409E-14 -1.050646621403646E-11 1.320827478983971E-13 -2.669116653565255E-12 4.778441885875478E-14
tp 4.08267246824784E-12 -1.050646621403646E-11 3.242225827855318E-8 -6.494962187067566E-11 6.103602412060744E-9 -5.178835383379821E-12
node -4.182272489572689E-14 1.320827478983971E-13 -6.494962187067566E-11 4.217656692619845E-10 -4.207123089864356E-10 -4.846361633725061E-11
peri 9.73110354176702E-13 -2.669116653565255E-12 6.103602412060744E-9 -4.207123089864356E-10 1.567304136236233E-9 4.561799820885634E-11
i -1.397262938898405E-14 4.778441885875478E-14 -5.178835383379821E-12 -4.846361633725061E-11 4.561799820885634E-11 6.478596571679961E-11

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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