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JPL Small-Body Database Browser
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442536 (2011 WB146)
Classification: Main-belt Asteroid          SPK-ID: 2442536
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1990363396227517 1.0219e-07  
a 2.565171530314171 2.4326e-08 au
q 2.054609178415946 2.5502e-07 au
i 2.16462231615171 6.6129e-06 deg
node 338.0139789879131 0.00026413 deg
peri 35.19094839675427 0.00026518 deg
M 335.4612620566633 2.8087e-05 deg
tp 2458702.787547446151
(2019-Aug-07.28754745)
0.00011775 TDB
period 1500.627993405563
4.11
2.1346e-05
5.844e-08
d
yr
n .2398995631042487 3.4126e-09 deg/d
Q 3.075733882212396 2.9168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      7259 days (19.87 yr)  
   first obs. used      1998-08-26  
   last obs. used      2018-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58393  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:36:02  

Additional Information
 Earth MOID = 1.0547 au 
 Jupiter MOID = 2.3909 au 
 T_jup = 3.404 
[ 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 MPO456095  

442536 (2011 WB146)          Discovered 1998-Aug-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 WB146 = 2002 NP63 = 2004 AM12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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