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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2053449415857082 7.4786e-08  
a 2.611631171353241 1.9672e-08 au
q 2.075345921028295 2.043e-07 au
i .3700022830888851 6.1581e-06 deg
node 67.3343049886327 0.0012764 deg
peri 335.8574433452686 0.0012767 deg
M 109.3855985433142 2.6491e-05 deg
tp 2458928.092501417287
(2020-Mar-19.59250142)
0.00011005 TDB
period 1541.580443270183
4.22
1.7418e-05
4.769e-08
d
yr
n .2335265743488062 2.6385e-09 deg/d
Q 3.147916421678187 2.3712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      9606 days (26.30 yr)  
   first obs. used      1994-10-26  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57932  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:44:17  

Additional Information
 Earth MOID = 1.08363 au 
 Jupiter MOID = 2.26056 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 18.15   n/a MPCxxxxx  

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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