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442455 (2011 UP243)
Classification: Main-belt Asteroid          SPK-ID: 2442455
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2052284034678558 8.7013e-08  
a 2.611780605915591 2.1639e-08 au
q 2.075769041955226 2.3866e-07 au
i .3699906761193703 6.59e-06 deg
node 67.32354118115789 0.0013262 deg
peri 335.8860816469095 0.0013265 deg
M 63.61080194419822 2.6373e-05 deg
tp 2458928.084486664129
(2020-Mar-19.58448666)
0.00011083 TDB
period 1541.712756379711
4.22
1.916e-05
5.246e-08
d
yr
n .2335065325951905 2.902e-09 deg/d
Q 3.147792169875957 2.608e-08 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      9100 days (24.91 yr)  
   first obs. used      1994-10-26  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58441  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:00:57  

Additional Information
 Earth MOID = 1.08367 au 
 Jupiter MOID = 2.25956 au 
 T_jup = 3.379 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.1   n/a MPO495192  

442455 (2011 UP243)          Discovered 1994-Oct-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 UP243 = 1994 UK4 = 2011 WM79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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