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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .199276714131918 8.92e-08  
a 2.565827552283865 1.6508e-08 au
q 2.054517868635594 2.2831e-07 au
i 2.164585225579177 4.6848e-06 deg
node 338.0060625169709 0.00023703 deg
peri 35.21881188868798 0.0002379 deg
M 71.37653270156093 1.7706e-05 deg
tp 2458702.859126925224
(2019-Aug-07.35912693)
7.447e-05 TDB
period 1501.203690503395
4.11
1.4487e-05
3.966e-08
d
yr
n .2398075639417607 2.3143e-09 deg/d
Q 3.077137235932136 1.9797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      7825 days (21.42 yr)  
   first obs. used      1998-08-26  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:41:35  

Additional Information
 Earth MOID = 1.05544 au 
 Jupiter MOID = 2.39281 au 
 T_jup = 3.403 
[ 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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