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115964 (2003 WH42)
Classification: Main-belt Asteroid          SPK-ID: 2115964
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606663243031309 3.637e-08  
a 2.979142992152733 1.7379e-08 au
q 2.500495038030123 1.0492e-07 au
i .4782813051106649 4.9205e-06 deg
node 166.1373592836894 0.0004529 deg
peri 276.3783717900947 0.00045327 deg
M 98.57275609783038 1.6389e-05 deg
tp 2458686.231588436617
(2019-Jul-21.73158844)
8.4552e-05 TDB
period 1878.172382428623
5.14
1.6435e-05
4.5e-08
d
yr
n .1916756967400894 1.6772e-09 deg/d
Q 3.457790946275344 2.0171e-08 au
  Orbit Determination Parameters
   # obs. used (total)      851  
   data-arc span      8134 days (22.27 yr)  
   first obs. used      1998-12-16  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50657  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:57:19  

Additional Information
 Earth MOID = 1.51615 au 
 Jupiter MOID = 1.77599 au 
 T_jup = 3.240 
[ 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 15.43   n/a E2021B55  
diameter diameter 4.848 km 0.266 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115964 (2003 WH42)          Discovered 2003-Nov-21 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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