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190963 (2001 WD48)
Classification: Main-belt Asteroid          SPK-ID: 2190963
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1414637623149876 6.1075e-08  
a 2.437815392129086 1.2131e-08 au
q 2.092952854929119 1.523e-07 au
i 11.97832306545073 5.486e-06 deg
node 90.31726799840081 2.512e-05 deg
peri 324.4155049547239 2.9917e-05 deg
M 3.858699652265751 1.428e-05 deg
tp 2459185.598220797251
(2020-Dec-02.09822080)
5.5173e-05 TDB
period 1390.27159313619
3.81
1.0377e-05
2.841e-08
d
yr
n .2589422108437877 1.9328e-09 deg/d
Q 2.782677929329054 1.3847e-08 au
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      7024 days (19.23 yr)  
   first obs. used      2001-11-19  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51344  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:50  

Additional Information
 Earth MOID = 1.11653 au 
 Jupiter MOID = 2.54695 au 
 T_jup = 3.460 
[ 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 16.0   n/a MPO436945  
diameter diameter 2.366 km 0.830 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.126   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190963 (2001 WD48)          Discovered 2001-Nov-19 by LONEOS at Anderson Mesa
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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