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442440 (2011 UO162)
Classification: Main-belt Asteroid          SPK-ID: 2442440
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1803056506558659 1.2544e-07  
a 2.71061250456863 9.8041e-08 au
q 2.221873753256457 4.0337e-07 au
i 5.914740974959395 5.7689e-06 deg
node 90.15569402867678 9.87e-05 deg
peri 250.8652823103609 0.00010306 deg
M 26.47963346668726 2.047e-05 deg
tp 2458880.602797074052
(2020-Feb-01.10279707)
9.1653e-05 TDB
period 1630.044959181271
4.46
8.8436e-05
2.421e-07
d
yr
n .2208528040728512 1.1982e-08 deg/d
Q 3.199351255880803 1.1572e-07 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      2338 days (6.40 yr)  
   first obs. used      2011-10-24  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58188  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:37:14  

Additional Information
 Earth MOID = 1.22187 au 
 Jupiter MOID = 2.21374 au 
 T_jup = 3.332 
[ 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 17.1   n/a MPO440832  

442440 (2011 UO162)          Discovered 2011-Oct-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 UO162 = 2014 HL157 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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