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442438 (2011 UC158)
Classification: Outer Main-belt Asteroid          SPK-ID: 2442438
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05577093667323357 1.777e-07  
a 3.234380194998233 8.8812e-08 au
q 3.053995781965826 6.0103e-07 au
i 31.48309392207634 1.8949e-05 deg
node 239.5032182095708 1.9103e-05 deg
peri 79.81121655879858 0.00022984 deg
M 267.2004742986825 0.00022337 deg
tp 2459548.181771058496
(2021-Nov-29.68177106)
0.0013264 TDB
period 2124.638419119201
5.82
8.751e-05
2.396e-07
d
yr
n .1694405959905607 6.9789e-09 deg/d
Q 3.41476460803064 9.3765e-08 au
  Orbit Determination Parameters
   # obs. used (total)      78  
   data-arc span      4425 days (12.11 yr)  
   first obs. used      2005-11-25  
   last obs. used      2018-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58459  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:24:06  

Additional Information
 Earth MOID = 2.14495 au 
 Jupiter MOID = 1.76903 au 
 T_jup = 2.951 
[ show covariance matrix ]

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 15.7   n/a MPO434643  

442438 (2011 UC158)          Discovered 2005-Nov-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2011 UC158 = 2010 XV45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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