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48658 (1995 WT1)
Classification: Main-belt Asteroid          SPK-ID: 2048658
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1642785669118372 3.2181e-08  
a 2.299642461587218 7.326e-09 au
q 1.92186049358806 7.5466e-08 au
i 5.050753608838822 3.8877e-06 deg
node 252.2029886755901 4.8875e-05 deg
peri 143.5535077526569 5.1206e-05 deg
M 28.15181406062899 1.4346e-05 deg
tp 2458900.892327993462
(2020-Feb-21.39232799)
5.0672e-05 TDB
period 1273.763809505374
3.49
6.0868e-06
1.666e-08
d
yr
n .282626965308266 1.3505e-09 deg/d
Q 2.677424429586376 8.5295e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1152  
   data-arc span      8815 days (24.13 yr)  
   first obs. used      1995-11-16  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56439  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:33:50  

Additional Information
 Earth MOID = .931847 au 
 Jupiter MOID = 2.74117 au 
 T_jup = 3.569 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456741.5 (2014-Mar-25.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1651931285339323 3.226e-08  
q 1.919470473437844 7.5741e-08 au
tp 2456352.124213929128
(2013-Feb-28.62421393)
4.9143e-05 TDB
node 252.2546733001879 4.894e-05 deg
peri 143.1738071490468 5.1213e-05 deg
i 5.04691825041002 3.8852e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1152  
   data-arc span      8815 days (24.13 yr)  
   first obs. used      1995-11-16  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56439  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:33:50  

Additional Information
 Jupiter MOID = 2.74117 au 
 T_jup = 3.569 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.040725474071319E-15 -2.435733228982293E-15 4.76976272832291E-14 9.383715709465198E-15 2.231426329956668E-14 -3.388027294398385E-16
q -2.435733228982293E-15 5.736677048180116E-15 -1.260819172308299E-13 -2.139153053282226E-14 -5.472208802425532E-14 9.458885818946318E-16
tp 4.76976272832291E-14 -1.260819172308299E-13 2.415036580941088E-9 -8.216038897589241E-12 7.583548293352118E-10 3.049715626535637E-12
node 9.383715709465198E-15 -2.139153053282226E-14 -8.216038897589241E-12 2.395098322244622E-9 -2.387867682051662E-9 3.678462647613939E-11
peri 2.231426329956668E-14 -5.472208802425532E-14 7.583548293352118E-10 -2.387867682051662E-9 2.622794724489026E-9 -3.570010469229922E-11
i -3.388027294398385E-16 9.458885818946318E-16 3.049715626535637E-12 3.678462647613939E-11 -3.570010469229922E-11 1.509451160281473E-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 15.2   n/a MPO502480  
diameter diameter 2.266 km 0.484 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.655   0.266 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48658 (1995 WT1)          Discovered 1995-Nov-16 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 WT1 = 1998 QF8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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