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146238 (2000 WZ154)
Classification: Main-belt Asteroid          SPK-ID: 2146238
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1834067170803469 4.331e-08  
a 3.042169735992064 3.103e-08 au
q 2.484215371912574 1.4397e-07 au
i 7.065619679022187 6.3382e-06 deg
node 339.1802198243913 3.8038e-05 deg
peri 73.3706477190067 4.4627e-05 deg
M 256.9921889302155 2.8463e-05 deg
tp 2459555.050686085374
(2021-Dec-06.55068609)
0.00015995 TDB
period 1938.088431521818
5.31
2.9653e-05
8.119e-08
d
yr
n .1857500381018848 2.842e-09 deg/d
Q 3.600124100071554 3.6721e-08 au
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      7201 days (19.72 yr)  
   first obs. used      2000-09-27  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56133  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:46:29  

Additional Information
 Earth MOID = 1.50637 au 
 Jupiter MOID = 1.86465 au 
 T_jup = 3.202 
[ 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 MPO475267  
diameter diameter 3.832 km 0.468 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.145   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146238 (2000 WZ154)          Discovered 2000-Nov-30 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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