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442485 (2011 UW369)
Classification: Main-belt Asteroid          SPK-ID: 2442485
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1189746758202452 1.9061e-07  
a 2.804426962344119 9.6619e-08 au
q 2.470771173637673 5.9886e-07 au
i 5.412107590615412 1.1067e-05 deg
node 69.97708479515433 0.00012307 deg
peri 298.41480905689 0.00014001 deg
M 321.3189296577034 8.2176e-05 deg
tp 2459184.814969960505
(2020-Dec-01.31496996)
0.00039905 TDB
period 1715.396926677764
4.70
8.8649e-05
2.427e-07
d
yr
n .209863964661064 1.0845e-08 deg/d
Q 3.138082751050566 1.0811e-07 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      4632 days (12.68 yr)  
   first obs. used      2006-09-25  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51778  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:17  

Additional Information
 Earth MOID = 1.47589 au 
 Jupiter MOID = 2.3375 au 
 T_jup = 3.307 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457082.5 (2015-Mar-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1219187600741318 1.906e-07  
q 2.461262934593786 5.9843e-07 au
tp 2457471.236198237172
(2016-Mar-23.73619824)
0.00032731 TDB
node 70.01335162799373 0.00012295 deg
peri 298.7695771430475 0.00013922 deg
i 5.417367489452896 1.1066e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      4632 days (12.68 yr)  
   first obs. used      2006-09-25  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51778  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:17  

Additional Information
 Jupiter MOID = 2.3375 au 
 T_jup = 3.307 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.632726008434461E-14 -1.135309308691689E-13 -3.217226651435972E-11 2.311022712763186E-13 -4.165780783877192E-12 -9.38420494531344E-14
q -1.135309308691689E-13 3.581151042067275E-13 1.089725967661629E-10 -7.624553933344642E-13 1.473112337755954E-11 3.042459553850213E-13
tp -3.217226651435972E-11 1.089725967661629E-10 1.071347594264153E-7 -5.741935830490338E-10 2.110579793204082E-8 1.614087796738557E-10
node 2.311022712763186E-13 -7.624553933344642E-13 -5.741935830490338E-10 1.511578102994184E-8 -1.515281171581794E-8 3.61562017976426E-10
peri -4.165780783877192E-12 1.473112337755954E-11 2.110579793204082E-8 -1.515281171581794E-8 1.938168645544333E-8 -3.330559235064332E-10
i -9.38420494531344E-14 3.042459553850213E-13 1.614087796738557E-10 3.61562017976426E-10 -3.330559235064332E-10 1.22463705180847E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO477089  

442485 (2011 UW369)          Discovered 2006-Sep-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 UW369 = 2006 SO294 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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