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146237 (2000 WP154)
Classification: Main-belt Asteroid          SPK-ID: 2146237
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1749082513864691 6.0722e-08  
a 3.149205439380557 3.545e-08 au
q 2.598383422721747 1.8245e-07 au
i 21.20103622034728 6.1418e-06 deg
node 257.4224119255692 1.7839e-05 deg
peri 240.5912435250077 2.4214e-05 deg
M 119.17754762581 1.8761e-05 deg
tp 2458324.740966642848
(2018-Jul-25.24096664)
0.00010261 TDB
period 2041.267477431207
5.59
3.4467e-05
9.437e-08
d
yr
n .1763610129393895 2.9779e-09 deg/d
Q 3.700027456039367 4.1651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      470  
   data-arc span      7180 days (19.66 yr)  
   first obs. used      2000-11-05  
   last obs. used      2020-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57878  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:29:38  

Additional Information
 Earth MOID = 1.68031 au 
 Jupiter MOID = 1.77081 au 
 T_jup = 3.081 
[ 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 14.25   n/a E2021B55  
diameter diameter 7.046 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 24.0669 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.098   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146237 (2000 WP154)          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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