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129732 (1998 WP33)
Classification: Main-belt Asteroid          SPK-ID: 2129732
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2418746023963578 3.2313e-08  
a 3.079751327697292 2.4318e-08 au
q 2.334837699830854 1.0335e-07 au
i 8.19284768109288 6.4231e-06 deg
node 216.4674124429175 3.284e-05 deg
peri 234.4518039687903 3.6668e-05 deg
M 328.5782707574812 1.6304e-05 deg
tp 2459172.805636659347
(2020-Nov-19.30563666)
9.0565e-05 TDB
period 1974.112523171643
5.40
2.3382e-05
6.402e-08
d
yr
n .1823604256466687 2.1599e-09 deg/d
Q 3.824664955563729 3.02e-08 au
  Orbit Determination Parameters
   # obs. used (total)      588  
   data-arc span      7656 days (20.96 yr)  
   first obs. used      1998-11-11  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58224  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 15:18:59  

Additional Information
 Earth MOID = 1.3624 au 
 Jupiter MOID = 1.50684 au 
 T_jup = 3.167 
[ 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 15.0   n/a MPO412840  
diameter diameter 6.568 km 0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129732 (1998 WP33)          Discovered 1998-Nov-23 by LONEOS at Anderson Mesa
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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