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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2227788478975144 1.0203e-07  
a 2.634413070448622 1.8156e-08 au
q 2.047521561727925 2.7166e-07 au
i 2.00906225001071 1.1167e-05 deg
node 192.0251468137385 0.00024246 deg
peri 158.8956627356377 0.00024389 deg
M 301.4673394984368 2.117e-05 deg
tp 2458854.433500450006
(2020-Jan-05.93350045)
9.29e-05 TDB
period 1561.795745805213
4.28
1.6145e-05
4.42e-08
d
yr
n .2305038933336288 2.3829e-09 deg/d
Q 3.22130457916932 2.2201e-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 = 1.04102 au 
 Jupiter MOID = 2.21424 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 18.0   n/a MPO294874  

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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