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266834 (2009 UJ15)
Classification: Main-belt Asteroid          SPK-ID: 2266834
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1118912430947847 4.923e-08  
a 3.169695954197811 3.4916e-08 au
q 2.815034733650108 1.7303e-07 au
i 6.050476084229134 5.2154e-06 deg
node 119.7810195834834 6.5462e-05 deg
peri 317.3659200051867 7.5318e-05 deg
M 306.3332755650997 3.5228e-05 deg
tp 2459507.775138554110
(2021-Oct-20.27513855)
0.00020301 TDB
period 2061.222313161007
5.64
3.4058e-05
9.325e-08
d
yr
n .1746536497792509 2.8858e-09 deg/d
Q 3.524357174745514 3.8822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      9850 days (26.97 yr)  
   first obs. used      1994-01-18  
   last obs. used      2021-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51418  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 20:08:15  

Additional Information
 Earth MOID = 1.83393 au 
 Jupiter MOID = 1.70828 au 
 T_jup = 3.184 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457892.5 (2017-May-19.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1088282660034363 4.851e-08  
q 2.82944764174704 1.6969e-07 au
tp 2457422.014781150379
(2016-Feb-03.51478115)
0.0002071 TDB
node 120.1887393026488 6.5926e-05 deg
peri 313.8800397393421 7.648e-05 deg
i 6.027243155555332 5.2013e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      9850 days (26.97 yr)  
   first obs. used      1994-01-18  
   last obs. used      2021-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51418  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 20:08:15  

Additional Information
 Jupiter MOID = 1.70828 au 
 T_jup = 3.184 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.353222326926633E-15 -8.120899970684127E-15 -1.400203737520251E-12 1.699640865447798E-15 -1.918735283994469E-13 -2.376792268830233E-15
q -8.120899970684127E-15 2.879409319679548E-14 5.476478907768852E-12 6.867926666786328E-15 8.014227410031958E-13 1.101004228549303E-14
tp -1.400203737520251E-12 5.476478907768852E-12 4.288915989097591E-8 -5.865521448226829E-11 8.101708006179832E-9 1.628323824116027E-11
node 1.699640865447798E-15 6.867926666786328E-15 -5.865521448226829E-11 4.346192433955011E-9 -4.334168693223646E-9 1.28456137988528E-10
peri -1.918735283994469E-13 8.014227410031958E-13 8.101708006179832E-9 -4.334168693223646E-9 5.849253877507746E-9 -1.249211977431997E-10
i -2.376792268830233E-15 1.101004228549303E-14 1.628323824116027E-11 1.28456137988528E-10 -1.249211977431997E-10 2.705301136477166E-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 MPO418415  

266834 (2009 UJ15)          Discovered 2009-Oct-16 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 UJ15 = 2005 AW82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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