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266169 (2006 UN225)
Classification: Main-belt Asteroid          SPK-ID: 2266169
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 .1857420855714915 8.3124e-08  
a 2.310542695532472 1.6254e-08 au
q 1.881377676462295 1.888e-07 au
i 5.949996770718768 7.3646e-06 deg
node 250.1194647464945 6.8652e-05 deg
peri 142.2943726227269 7.0373e-05 deg
M 311.1360006879768 1.9688e-05 deg
tp 2459174.622916355330
(2020-Nov-21.12291636)
7.1429e-05 TDB
period 1282.830934235362
3.51
1.3536e-05
3.706e-08
d
yr
n .280629341242523 2.9611e-09 deg/d
Q 2.73970771460265 1.9272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      7173 days (19.64 yr)  
   first obs. used      1999-10-12  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57814  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:21  

Additional Information
 Earth MOID = .891977 au 
 Jupiter MOID = 2.69991 au 
 T_jup = 3.555 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456924.5 (2014-Sep-24.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1867312666968722 8.3274e-08  
q 1.879327245822368 1.8958e-07 au
tp 2456609.765061188284
(2013-Nov-13.26506119)
5.5559e-05 TDB
node 250.1824563105024 6.8622e-05 deg
peri 142.3895635998039 7.0309e-05 deg
i 5.951508712815916 7.3701e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      7173 days (19.64 yr)  
   first obs. used      1999-10-12  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57814  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:21  

Additional Information
 Jupiter MOID = 2.69991 au 
 T_jup = 3.555 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.934541944336312E-15 -1.575316006978128E-14 -4.223570563011155E-13 -5.730448777055339E-14 -1.875481175044582E-13 -1.284825588372998E-14
q -1.575316006978128E-14 3.594162412875206E-14 1.271277379692125E-12 1.369599060654235E-13 5.08772127193199E-13 2.887661170233434E-14
tp -4.223570563011155E-13 1.271277379692125E-12 3.086799541079336E-9 3.837627103007005E-11 9.004926588405911E-10 -1.218327410331567E-12
node -5.730448777055339E-14 1.369599060654235E-13 3.837627103007005E-11 4.708998425367028E-9 -4.671240790942788E-9 -2.228481619135447E-10
peri -1.875481175044582E-13 5.08772127193199E-13 9.004926588405911E-10 -4.671240790942788E-9 4.943421781069429E-9 2.216691066825775E-10
i -1.284825588372998E-14 2.887661170233434E-14 -1.218327410331567E-12 -2.228481619135447E-10 2.216691066825775E-10 5.431792167646365E-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 16.8   n/a MPO437226  

266169 (2006 UN225)          Discovered 2006-Oct-19 by NEAT at Palomar
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2006 UN225 = 1999 UZ24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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