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180215 (2003 UK9)
Classification: Main-belt Asteroid          SPK-ID: 2180215
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1008622668364683 6.9634e-08  
a 2.289943762844768 1.1526e-08 au
q 2.058974843996213 1.6339e-07 au
i 7.855434935767345 5.6787e-06 deg
node 51.35182564296979 3.7939e-05 deg
peri 346.8226252415437 4.4516e-05 deg
M 354.3597684745187 2.327e-05 deg
tp 2459220.330336471865
(2021-Jan-05.83033647)
8.1814e-05 TDB
period 1265.714199429477
3.47
9.5565e-06
2.616e-08
d
yr
n .2844243986219565 2.1475e-09 deg/d
Q 2.520912681693324 1.2689e-08 au
  Orbit Determination Parameters
   # obs. used (total)      417  
   data-arc span      6329 days (17.33 yr)  
   first obs. used      2003-10-16  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51892  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:25:36  

Additional Information
 Earth MOID = 1.06667 au 
 Jupiter MOID = 2.84513 au 
 T_jup = 3.580 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458123.5 (2018-Jan-05.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1020629446632037 6.9916e-08  
q 2.056308760455306 1.6432e-07 au
tp 2457953.137669007530
(2017-Jul-18.63766901)
8.0522e-05 TDB
node 51.38938072475796 3.7891e-05 deg
peri 346.4787246918322 4.4235e-05 deg
i 7.861320383846838 5.6837e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      417  
   data-arc span      6329 days (17.33 yr)  
   first obs. used      2003-10-16  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51892  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:25:36  

Additional Information
 Jupiter MOID = 2.84513 au 
 T_jup = 3.580 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.888292898514508E-15 -1.146854888069362E-14 -3.008438504772936E-12 1.304536929832038E-14 -7.940277081201864E-13 -2.313228812195416E-14
q -1.146854888069362E-14 2.700033976633688E-14 6.803346150806106E-12 -3.129634997789576E-14 1.791099198553687E-12 5.4288302975809E-14
tp -3.008438504772936E-12 6.803346150806106E-12 6.483776550949601E-9 1.250040592239242E-12 1.867070873607511E-9 1.751392284007266E-11
node 1.304536929832038E-14 -3.129634997789576E-14 1.250040592239242E-12 1.435692196677525E-9 -1.421223223746502E-9 -1.375285134822205E-10
peri -7.940277081201864E-13 1.791099198553687E-12 1.867070873607511E-9 -1.421223223746502E-9 1.956778128168442E-9 1.410257162806362E-10
i -2.313228812195416E-14 5.4288302975809E-14 1.751392284007266E-11 -1.375285134822205E-10 1.410257162806362E-10 3.2304835332212E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.95   n/a MPCxxxxx  

180215 (2003 UK9)          Discovered 2003-Oct-16 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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