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JPL Small-Body Database Browser
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442458 (2011 UP254)
Classification: Main-belt Asteroid          SPK-ID: 2442458
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1566897840327711 1.1461e-07  
a 2.794341251043357 8.9847e-08 au
q 2.356496523903511 3.827e-07 au
i 8.456396044597053 6.3128e-06 deg
node 207.4332423953608 5.6018e-05 deg
peri 171.4226324166278 7.0768e-05 deg
M 233.8398224641901 5.9383e-05 deg
tp 2459198.412152615732
(2020-Dec-14.91215262)
0.00030722 TDB
period 1706.15149047778
4.67
8.2287e-05
2.253e-07
d
yr
n .2110011930412977 1.0177e-08 deg/d
Q 3.232185978183204 1.0393e-07 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      4700 days (12.87 yr)  
   first obs. used      2006-08-21  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48301  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:14  

Additional Information
 Earth MOID = 1.35856 au 
 Jupiter MOID = 2.22714 au 
 T_jup = 3.294 
[ 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 17.0   n/a MPO437720  

442458 (2011 UP254)          Discovered 2011-Sep-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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