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37227 (2000 WW142)
Classification: Main-belt Asteroid          SPK-ID: 2037227
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1443707627810261 4.2897e-08  
a 2.675731602585306 1.6672e-08 au
q 2.289434190122768 1.1344e-07 au
i 26.52330042043767 4.5687e-06 deg
node 87.97041743345392 1.0101e-05 deg
peri 274.8786248321049 1.9509e-05 deg
M 204.9353130410944 2.0213e-05 deg
tp 2459689.108937146946
(2022-Apr-19.60893715)
9.2591e-05 TDB
period 1598.682602948779
4.38
1.4942e-05
4.091e-08
d
yr
n .2251854116232816 2.1047e-09 deg/d
Q 3.062029015047843 1.9079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1391  
   data-arc span      8093 days (22.16 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49563  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:45:12  

Additional Information
 Earth MOID = 1.45135 au 
 Jupiter MOID = 2.52798 au 
 T_jup = 3.214 
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Orbital Elements at Epoch 2457240.5 (2015-Aug-06.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1430491910071264 4.2896e-08  
q 2.294472691930595 1.1338e-07 au
tp 2456491.020011101841
(2013-Jul-17.52001110)
8.3788e-05 TDB
node 88.00783584552056 1.01e-05 deg
peri 275.0165664133503 1.9642e-05 deg
i 26.5169753252276 4.5677e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1391  
   data-arc span      8093 days (22.16 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49563  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:45:12  

Additional Information
 Jupiter MOID = 2.52798 au 
 T_jup = 3.214 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.840082883334599E-15 -4.825838331830039E-15 1.038563709328405E-12 1.004364655820013E-14 2.025398877570233E-13 8.781777398930223E-15
q -4.825838331830039E-15 1.285558325703875E-14 -2.594861375257348E-12 -2.606410138166976E-14 -4.869153188039178E-13 -2.213863048171233E-14
tp 1.038563709328405E-12 -2.594861375257348E-12 7.020377208348738E-9 2.355840486595963E-11 1.434161782144232E-9 7.290491648908194E-12
node 1.004364655820013E-14 -2.606410138166976E-14 2.355840486595963E-11 1.020157266938281E-10 -8.619879792160364E-11 -1.074584714169738E-11
peri 2.025398877570233E-13 -4.869153188039178E-13 1.434161782144232E-9 -8.619879792160364E-11 3.858121217970781E-10 1.119112665113193E-11
i 8.781777398930223E-15 -2.213863048171233E-14 7.290491648908194E-12 -1.074584714169738E-11 1.119112665113193E-11 2.086405502404058E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7   n/a MPO385052  
diameter diameter 11.392 km 0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37227 (2000 WW142)          Discovered 2000-Nov-20 by LONEOS at Anderson Mesa
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 WW142 = 2001 DJ34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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