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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1746474758559745 6.0058e-08  
a 3.152493577445508 3.6954e-08 au
q 2.601918531492479 1.8177e-07 au
i 21.10528643800545 5.9437e-06 deg
node 257.1604532949479 1.7758e-05 deg
peri 241.4843569305343 2.3616e-05 deg
M 188.0895167277814 1.9104e-05 deg
tp 2460372.791713151785
(2024-Mar-03.29171315)
0.00011656 TDB
period 2044.465294057147
5.60
3.5948e-05
9.842e-08
d
yr
n .176085160773552 3.0962e-09 deg/d
Q 3.703068623398537 4.3408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      7533 days (20.62 yr)  
   first obs. used      2000-11-05  
   last obs. used      2021-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57424  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 15:05:44  

Additional Information
 Earth MOID = 1.68532 au 
 Jupiter MOID = 1.77411 au 
 T_jup = 3.081 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456880.5 (2014-Aug-11.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1758341252269743 5.9806e-08  
q 2.590708926257011 1.8106e-07 au
tp 2456284.487021056288
(2012-Dec-22.98702106)
9.5852e-05 TDB
node 257.4625749307867 1.7679e-05 deg
peri 239.6243409979919 2.38e-05 deg
i 21.22131541531255 5.9479e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      7533 days (20.62 yr)  
   first obs. used      2000-11-05  
   last obs. used      2021-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57424  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 15:05:44  

Additional Information
 Jupiter MOID = 1.77411 au 
 T_jup = 3.081 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.576737680055203E-15 -1.070744732200801E-14 8.289972737803901E-13 -2.683483670036774E-15 1.359945298285449E-13 1.070848659725146E-15
q -1.070744732200801E-14 3.278359497448882E-14 -2.586786271843583E-12 1.052083897290984E-14 -3.91857957963824E-13 -4.497587580234173E-15
tp 8.289972737803901E-13 -2.586786271843583E-12 9.187596646396959E-9 2.410371734944155E-12 1.588499743609091E-9 -5.512880475107391E-13
node -2.683483670036774E-15 1.052083897290984E-14 2.410371734944155E-12 3.125302066083443E-10 -2.905416202538809E-10 1.134487139456857E-11
peri 1.359945298285449E-13 -3.91857957963824E-13 1.588499743609091E-9 -2.905416202538809E-10 5.664615071650957E-10 -1.080482130491247E-11
i 1.070848659725146E-15 -4.497587580234173E-15 -5.512880475107391E-13 1.134487139456857E-11 -1.080482130491247E-11 3.53771626617062E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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