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442432 (2011 UL144)
Classification: Main-belt Asteroid          SPK-ID: 2442432
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1598012660641855 9.5117e-08  
a 2.747610394748122 4.4135e-08 au
q 2.308538775016256 2.7058e-07 au
i 6.6855663438827 1.1328e-05 deg
node 8.306964579669136 6.6679e-05 deg
peri 331.9174790076009 7.4632e-05 deg
M 17.04932488467974 2.9676e-05 deg
tp 2458921.716396943642
(2020-Mar-13.21639694)
0.00013657 TDB
period 1663.531975144336
4.55
4.0082e-05
1.097e-07
d
yr
n .216407021553502 5.2143e-09 deg/d
Q 3.186682014479988 5.1188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      52  
   data-arc span      6108 days (16.72 yr)  
   first obs. used      2000-04-05  
   last obs. used      2016-12-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55863  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:28:42  

Additional Information
 Earth MOID = 1.30295 au 
 Jupiter MOID = 2.22096 au 
 T_jup = 3.319 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456753.5 (2014-Apr-06.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1620090932264734 9.5224e-08  
q 2.301814906268365 2.7165e-07 au
tp 2457260.123364721950
(2015-Aug-25.62336472)
0.00012867 TDB
node 8.422309120504941 6.6549e-05 deg
peri 332.3387913855721 7.4273e-05 deg
i 6.694770283843932 1.134e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      52  
   data-arc span      6108 days (16.72 yr)  
   first obs. used      2000-04-05  
   last obs. used      2016-12-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55863  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:28:42  

Additional Information
 Jupiter MOID = 2.22096 au 
 T_jup = 3.319 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.06758012200251E-15 -2.563499652569305E-14 2.920044904955978E-12 -1.166422330140278E-13 7.826600095098875E-13 -1.277047607977999E-14
q -2.563499652569305E-14 7.379233552264144E-14 -8.116851025279806E-12 3.198835703752876E-13 -2.286974672530871E-12 3.875559800575887E-14
tp 2.920044904955978E-12 -8.116851025279806E-12 1.655717231100181E-8 -7.488027453538762E-11 4.274644090016385E-9 -1.505946564239792E-11
node -1.166422330140278E-13 3.198835703752876E-13 -7.488027453538762E-11 4.42874990226726E-9 -4.412603923848728E-9 3.895774239207254E-11
peri 7.826600095098875E-13 -2.286974672530871E-12 4.274644090016385E-9 -4.412603923848728E-9 5.516410858304112E-9 -4.230567830988439E-11
i -1.277047607977999E-14 3.875559800575887E-14 -1.505946564239792E-11 3.895774239207254E-11 -4.230567830988439E-11 1.286033371273051E-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 17.6   n/a MPO361009  

442432 (2011 UL144)          Discovered 2006-Sep-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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