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JPL Small-Body Database Browser
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442398 (2011 UA48)
Classification: Main-belt Asteroid          SPK-ID: 2442398
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1382761352356213 5.9864e-08  
a 2.665837172819925 3.8979e-08 au
q 2.29721551139493 1.7618e-07 au
i 7.402986791798292 5.935e-06 deg
node 226.6343957439381 7.0007e-05 deg
peri 176.7462212436594 8.8801e-05 deg
M 258.2438876558447 5.5984e-05 deg
tp 2459049.872882755328
(2020-Jul-19.37288276)
0.00025414 TDB
period 1589.823294789132
4.35
3.4869e-05
9.547e-08
d
yr
n .2264402598577782 4.9664e-09 deg/d
Q 3.034458834244919 4.4369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      7597 days (20.80 yr)  
   first obs. used      1998-11-15  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64224  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:07  

Additional Information
 Earth MOID = 1.30565 au 
 Jupiter MOID = 2.35464 au 
 T_jup = 3.358 
[ 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 17.3   n/a MPO259279  

442398 (2011 UA48)          Discovered 2011-Oct-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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