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115966 (2003 WH44)
Classification: Main-belt Asteroid          SPK-ID: 2115966
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .147671671476852 4.6886e-08  
a 2.887461257733337 2.4473e-08 au
q 2.461065027479202 1.3074e-07 au
i 11.73064981605155 5.2415e-06 deg
node 290.9962485057756 3.8226e-05 deg
peri 186.3289726780523 4.6907e-05 deg
M 122.6727392038774 2.8438e-05 deg
tp 2458589.813614915943
(2019-Apr-16.31361492)
0.00013856 TDB
period 1792.143063381694
4.91
2.2784e-05
6.238e-08
d
yr
n .2008768202470936 2.5538e-09 deg/d
Q 3.313857487987473 2.8087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      504  
   data-arc span      7404 days (20.27 yr)  
   first obs. used      2000-03-09  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54417  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:45:59  

Additional Information
 Earth MOID = 1.47764 au 
 Jupiter MOID = 1.80791 au 
 T_jup = 3.245 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.76   n/a MPCxxxxx  
diameter diameter 3.218 km 0.815 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.296   0.211 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115966 (2003 WH44)          Discovered 2003-Nov-19 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 WH44 = 2000 EB152 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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