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123473 (2000 WH154)
Classification: Main-belt Asteroid          SPK-ID: 2123473
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1243238290063008 5.3403e-08  
a 2.69758019089308 2.2392e-08 au
q 2.362206692509704 1.4035e-07 au
i 13.31444035022006 8.5618e-06 deg
node 20.64761310771058 2.0695e-05 deg
peri 60.90081993463296 4.1614e-05 deg
M 123.9114915441684 3.7133e-05 deg
tp 2458443.482222011244
(2018-Nov-20.98222201)
0.00016333 TDB
period 1618.303496931713
4.43
2.0149e-05
5.516e-08
d
yr
n .2224551826542773 2.7698e-09 deg/d
Q 3.032953689276455 2.5175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      381  
   data-arc span      10398 days (28.47 yr)  
   first obs. used      1991-11-08  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64601  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:00:48  

Additional Information
 Earth MOID = 1.40763 au 
 Jupiter MOID = 2.30931 au 
 T_jup = 3.319 
[ 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 15.7   n/a MPO417643  
diameter diameter 2.105 km 0.233 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.252   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123473 (2000 WH154)          Discovered 2000-Nov-30 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 2000 WH154 = 2004 RO305 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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