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201665 (2003 UK23)
Classification: Main-belt Asteroid          SPK-ID: 2201665
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09240894633712154 4.4303e-08  
a 2.84410937077084 2.2094e-08 au
q 2.581288220550372 1.2975e-07 au
i 1.528765462793629 4.8571e-06 deg
node 266.6773926114814 0.00023932 deg
peri 155.7875504758223 0.00024206 deg
M 145.4388291715323 3.4797e-05 deg
tp 2458292.724157061386
(2018-Jun-23.22415706)
0.00016907 TDB
period 1751.934506825463
4.80
2.0414e-05
5.589e-08
d
yr
n .2054871335643286 2.3944e-09 deg/d
Q 3.106930520991307 2.4135e-08 au
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      6928 days (18.97 yr)  
   first obs. used      2000-02-07  
   last obs. used      2019-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56275  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:53:19  

Additional Information
 Earth MOID = 1.5944 au 
 Jupiter MOID = 2.15289 au 
 T_jup = 3.301 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456919.5 (2014-Sep-19.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09251955722026002 4.418e-08  
q 2.582995409665161 1.2989e-07 au
tp 2456545.445607181559
(2013-Sep-09.94560718)
0.00017032 TDB
node 266.7491564647871 0.00023923 deg
peri 156.9268168704522 0.00024196 deg
i 1.528706915124936 4.8574e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      6928 days (18.97 yr)  
   first obs. used      2000-02-07  
   last obs. used      2019-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56275  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:53:19  

Additional Information
 Jupiter MOID = 2.15289 au 
 T_jup = 3.301 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.951899152977123E-15 -5.669882034716601E-15 -1.147057073255091E-12 9.119986607786648E-15 -2.592515947987431E-13 -3.692019766208019E-16
q -5.669882034716601E-15 1.687263145986097E-14 2.789167975070392E-12 -2.376493581411425E-14 6.556190814365981E-13 1.19732734996137E-15
tp -1.147057073255091E-12 2.789167975070392E-12 2.900930184860066E-8 -5.158113981798189E-12 6.23182263736648E-9 2.0557742078353E-12
node 9.119986607786648E-15 -2.376493581411425E-14 -5.158113981798189E-12 5.723054462494232E-8 -5.72109424794035E-8 1.611697795641523E-11
peri -2.592515947987431E-13 6.556190814365981E-13 6.23182263736648E-9 -5.72109424794035E-8 5.854443871664392E-8 -1.565040123087746E-11
i -3.692019766208019E-16 1.19732734996137E-15 2.0557742078353E-12 1.611697795641523E-11 -1.565040123087746E-11 2.359395637367388E-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 15.9   n/a MPO470154  

201665 (2003 UK23)          Discovered 2003-Oct-22 by Spacewatch at Kitt Peak
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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