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441569 (2008 UJ33)
Classification: Main-belt Asteroid          SPK-ID: 2441569
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07006567389410645 6.3124e-08  
a 2.436292588691745 3.601e-08 au
q 2.265592106661841 1.5339e-07 au
i 7.78184654678361 7.6884e-06 deg
node 61.23250197215173 5.3579e-05 deg
peri 38.2742397346996 8.5999e-05 deg
M 326.6673825891555 7.4744e-05 deg
tp 2459129.105490386161
(2020-Oct-06.60549039)
0.00028991 TDB
period 1388.969127997586
3.80
3.0795e-05
8.431e-08
d
yr
n .2591850263216403 5.7464e-09 deg/d
Q 2.60699307072165 3.8533e-08 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      4464 days (12.22 yr)  
   first obs. used      2006-02-27  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53783  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 17:30:14  

Additional Information
 Earth MOID = 1.28766 au 
 Jupiter MOID = 2.51129 au 
 T_jup = 3.488 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456961.5 (2014-Oct-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06912471042078373 6.2889e-08  
q 2.268084794042684 1.5281e-07 au
tp 2456347.920908227512
(2013-Feb-24.42090823)
0.00026596 TDB
node 61.25795567973294 5.3594e-05 deg
peri 37.57643801679078 8.6861e-05 deg
i 7.781163964582049 7.6866e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      4464 days (12.22 yr)  
   first obs. used      2006-02-27  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53783  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 17:30:14  

Additional Information
 Jupiter MOID = 2.51129 au 
 T_jup = 3.488 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.954990626364245E-15 -9.376126400797228E-15 -5.134924236365857E-13 8.941205257573001E-16 -9.163820218649613E-14 6.430425236779773E-15
q -9.376126400797228E-15 2.335207282564502E-14 4.519459367008086E-12 -9.240056151510864E-15 1.156400164634021E-12 -9.910332906596276E-15
tp -5.134924236365857E-13 4.519459367008086E-12 7.073249411647882E-8 -1.589852026143025E-10 1.821079930314873E-8 6.309501909789245E-11
node 8.941205257573001E-16 -9.240056151510864E-15 -1.589852026143025E-10 2.872341222807336E-9 -2.886437330130633E-9 -2.98898728119854E-11
peri -9.163820218649613E-14 1.156400164634021E-12 1.821079930314873E-8 -2.886437330130633E-9 7.544806902334294E-9 4.621757039765893E-11
i 6.430425236779773E-15 -9.910332906596276E-15 6.309501909789245E-11 -2.98898728119854E-11 4.621757039765893E-11 5.908431175561409E-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 17.2   n/a MPO450444  

441569 (2008 UJ33)          Discovered 2008-Oct-20 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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