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187016 (2004 UT2)
Classification: Main-belt Asteroid          SPK-ID: 2187016
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09262448511975424 4.328e-08  
a 3.178054291510264 4.0902e-08 au
q 2.8836886490765 1.4124e-07 au
i 13.47624936394294 4.8111e-06 deg
node 156.1364813431888 2.1641e-05 deg
peri 175.8628194894727 3.5507e-05 deg
M 351.1384821713337 3.0551e-05 deg
tp 2459251.438483322121
(2021-Feb-05.93848332)
0.00017606 TDB
period 2069.380703229213
5.67
3.995e-05
1.094e-07
d
yr
n .1739650898639528 3.3585e-09 deg/d
Q 3.472419933944027 4.4691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      8007 days (21.92 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-07-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5998  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:41  

Additional Information
 Earth MOID = 1.87168 au 
 Jupiter MOID = 1.91933 au 
 T_jup = 3.151 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457288.5 (2015-Sep-23.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09337911738736976 4.3087e-08  
q 2.8791379390728 1.4031e-07 au
tp 2457196.431594620267
(2015-Jun-22.93159462)
0.0001632 TDB
node 156.2862787515753 2.1692e-05 deg
peri 177.8228355976362 3.5551e-05 deg
i 13.46098177985784 4.8074e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      8007 days (21.92 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-07-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5998  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:41  

Additional Information
 Jupiter MOID = 1.91933 au 
 T_jup = 3.151 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.856485755526339E-15 -5.847235514759793E-15 3.044613535873275E-13 -3.927494613873311E-15 9.135962671693526E-14 1.381158260866527E-15
q -5.847235514759793E-15 1.968786922690961E-14 3.245633244924277E-13 9.023262698903865E-15 -5.69078536907355E-14 -1.00605478882286E-15
tp 3.044613535873275E-13 3.245633244924277E-13 2.663443142503796E-8 -3.201084498495931E-11 4.634298579337106E-9 1.680370840849049E-11
node -3.927494613873311E-15 9.023262698903865E-15 -3.201084498495931E-11 4.705266992892514E-10 -4.628240451652043E-10 3.296793244463183E-12
peri 9.135962671693526E-14 -5.69078536907355E-14 4.634298579337106E-9 -4.628240451652043E-10 1.263879480836004E-9 -2.993931187934993E-13
i 1.381158260866527E-15 -1.00605478882286E-15 1.680370840849049E-11 3.296793244463183E-12 -2.993931187934993E-13 2.311105355136795E-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 14.81   n/a E2021B55  

187016 (2004 UT2)          Discovered 2004-Oct-18 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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