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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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456720.5 (2014-Mar-04.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1758307740710394 6.055e-08  
q 2.590350974152138 1.8251e-07 au
tp 2456284.305417342951
(2012-Dec-22.80541734)
9.7916e-05 TDB
node 257.4619803511322 1.7826e-05 deg
peri 239.5776597445802 2.424e-05 deg
i 21.2224758597158 6.1465e-06 deg
  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
 Jupiter MOID = 1.77081 au 
 T_jup = 3.081 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.666343746195436E-15 -1.092072808338221E-14 6.42008188859582E-13 -2.493021353339343E-15 9.829635325652569E-14 9.285825651838485E-16
q -1.092072808338221E-14 3.331045710782495E-14 -2.147664783183566E-12 9.890666457268499E-15 -3.046075294063094E-13 -4.150322610239567E-15
tp 6.42008188859582E-13 -2.147664783183566E-12 9.587464588442504E-9 2.633726238645951E-12 1.669746618711976E-9 -7.03721790753723E-13
node -2.493021353339343E-15 9.890666457268499E-15 2.633726238645951E-12 3.177540616410014E-10 -2.953560468743208E-10 9.364821347622523E-12
peri 9.829635325652569E-14 -3.046075294063094E-13 1.669746618711976E-9 -2.953560468743208E-10 5.875804756820492E-10 -8.996042127971433E-12
i 9.285825651838485E-16 -4.150322610239567E-15 -7.03721790753723E-13 9.364821347622523E-12 -8.996042127971433E-12 3.777998370062078E-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 14.3   n/a MPO345203  
diameter diameter 7.046 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
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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