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442428 (2011 UW135)
Classification: Main-belt Asteroid          SPK-ID: 2442428
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2224520064646773 1.0203e-07  
a 2.633131977147281 1.7814e-08 au
q 2.047386485544566 2.7149e-07 au
i 2.009122692197991 1.1168e-05 deg
node 192.0087809939289 0.00024249 deg
peri 159.0029047580125 0.00024393 deg
M 33.63039924789636 2.1613e-05 deg
tp 2458854.706926977737
(2020-Jan-06.20692698)
9.3087e-05 TDB
period 1560.656651773107
4.27
1.5837e-05
4.336e-08
d
yr
n .2306721338040585 2.3408e-09 deg/d
Q 3.218877468749997 2.1776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      7585 days (20.77 yr)  
   first obs. used      1998-09-28  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59861  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:10  

Additional Information
 Earth MOID = 1.04182 au 
 Jupiter MOID = 2.22045 au 
 T_jup = 3.362 
[ 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 17.9   n/a MPO477089  

442428 (2011 UW135)          Discovered 1998-Sep-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 UW135 = 1998 SC52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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