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115977 (2003 WC56)
Classification: Main-belt Asteroid          SPK-ID: 2115977
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09625537229527391 4.4496e-08  
a 2.971091116557017 2.3912e-08 au
q 2.68510763500964 1.3825e-07 au
i 9.759130635385272 4.9465e-06 deg
node 270.3325863204249 3.3501e-05 deg
peri .1569456669347017 4.4707e-05 deg
M 269.9789676324156 3.1081e-05 deg
tp 2459668.250081120471
(2022-Mar-29.75008112)
0.00016301 TDB
period 1870.563187009227
5.12
2.2582e-05
6.183e-08
d
yr
n .1924554072806225 2.3234e-09 deg/d
Q 3.257074598104394 2.6214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      608  
   data-arc span      7187 days (19.68 yr)  
   first obs. used      2001-07-19  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58321  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:57:19  

Additional Information
 Earth MOID = 1.66713 au 
 Jupiter MOID = 1.84667 au 
 T_jup = 3.234 
[ 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 14.92   n/a MPCxxxxx  
diameter diameter 4.096 km 0.691 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.139   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115977 (2003 WC56)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 WC56 = 2002 TJ154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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