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123404 (2000 WS88)
Classification: Main-belt Asteroid          SPK-ID: 2123404
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2351522029042034 3.7505e-08  
a 2.786082788359529 1.435e-08 au
q 2.1309292832033 1.0343e-07 au
i 11.8268840892849 5.6349e-06 deg
node 318.6942038293195 2.124e-05 deg
peri 145.4249531323649 2.683e-05 deg
M 71.24576171014699 1.4332e-05 deg
tp 2458664.340037900924
(2019-Jun-29.84003790)
6.6342e-05 TDB
period 1698.59348052183
4.65
1.3123e-05
3.593e-08
d
yr
n .2119400575406679 1.6374e-09 deg/d
Q 3.441236293515757 1.7725e-08 au
  Orbit Determination Parameters
   # obs. used (total)      847  
   data-arc span      7537 days (20.64 yr)  
   first obs. used      1999-09-09  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48677  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:00:03  

Additional Information
 Earth MOID = 1.15852 au 
 Jupiter MOID = 1.7319 au 
 T_jup = 3.260 
[ 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 15.0   n/a MPO422432  
diameter diameter 2.674 km 0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 15.60 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 [Result based on fragmentary lightcurve(s), may be completely wrong.]
geometric albedo albedo 0.357   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123404 (2000 WS88)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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