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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1642785666818575 3.2179e-08  
a 2.299642461170013 7.2976e-09 au
q 1.921860493768264 7.5465e-08 au
i 5.050753597161588 3.8717e-06 deg
node 252.2029886056172 4.8668e-05 deg
peri 143.5535069651322 5.0997e-05 deg
M 28.15181514505132 1.4252e-05 deg
tp 2458900.892324183630
(2020-Feb-21.39232418)
5.0344e-05 TDB
period 1273.763809158741
3.49
6.0632e-06
1.66e-08
d
yr
n .282626965385178 1.3453e-09 deg/d
Q 2.677424428571762 8.4965e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      8836 days (24.19 yr)  
   first obs. used      1995-11-16  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56462  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:11:20  

Additional Information
 Earth MOID = .931847 au 
 Jupiter MOID = 2.74117 au 
 T_jup = 3.569 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456783.5 (2014-May-06.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1652176280452332 3.2252e-08  
q 1.919295422739349 7.5705e-08 au
tp 2456352.079647256587
(2013-Feb-28.57964726)
4.8919e-05 TDB
node 252.2530814077967 4.8734e-05 deg
peri 143.1540194234581 5.1006e-05 deg
i 5.046929525025488 3.8692e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      8836 days (24.19 yr)  
   first obs. used      1995-11-16  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56462  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:11:20  

Additional Information
 Jupiter MOID = 2.74117 au 
 T_jup = 3.569 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.040200642849849E-15 -2.434024743576301E-15 4.557064549558267E-14 9.621102124716225E-15 2.149348717701563E-14 -3.283728318379355E-16
q -2.434024743576301E-15 5.731218495854666E-15 -1.229656692736872E-13 -2.199303414778099E-14 -5.319696132799162E-14 9.190363206327314E-16
tp 4.557064549558267E-14 -1.229656692736872E-13 2.393086298334522E-9 -8.65665473088188E-12 7.528565587839772E-10 2.967691866335946E-12
node 9.621102124716225E-15 -2.199303414778099E-14 -8.65665473088188E-12 2.375039833125605E-9 -2.368016164119475E-9 3.519940752187007E-11
peri 2.149348717701563E-14 -5.319696132799162E-14 7.528565587839772E-10 -2.368016164119475E-9 2.601564904154547E-9 -3.414361300218801E-11
i -3.283728318379355E-16 9.190363206327314E-16 2.967691866335946E-12 3.519940752187007E-11 -3.414361300218801E-11 1.497061773849616E-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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