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442509 (2011 WH47)
Classification: Main-belt Asteroid          SPK-ID: 2442509
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 .1794198259092893 7.0066e-08  
a 2.694590413476056 4.9893e-08 au
q 2.211127470593342 2.1155e-07 au
i 9.169390031627112 6.539e-06 deg
node 73.80890619361574 4.9776e-05 deg
peri 305.2794545742889 5.6345e-05 deg
M 1.673489091136756 3.2335e-05 deg
tp 2458992.989688464838
(2020-May-23.48968846)
0.00014496 TDB
period 1615.613849518322
4.42
4.4872e-05
1.229e-07
d
yr
n .2228255223903473 6.1888e-09 deg/d
Q 3.17805335635877 5.8845e-08 au
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      4195 days (11.49 yr)  
   first obs. used      2007-12-05  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67585  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:19  

Additional Information
 Earth MOID = 1.22914 au 
 Jupiter MOID = 2.31275 au 
 T_jup = 3.329 
[ 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 MPO446755  

442509 (2011 WH47)          Discovered 2007-Dec-05 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 WH47 = 2007 YX26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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