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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 
[ 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 15.2   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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1995-May-19 17:40 < 00:01 Iris 0.0246538763261204 0.0246524363308048 0.0246553163657402 1.26635010890509 1.26634992477106 2449857.236238565 0.915886975421616 91.560687345364 31.7698439061393 -42.034602873083 82844.0334530923 T 24 CATAB v2.0f-lin.ifort 2020-Feb-23 09:11:35 2020-Feb-23 09:11
2062-Dec-09 06:37 00:02 Iris 0.0247854843323811 0.0247801078700665 0.0247908611371396 1.62602443881944 1.62602429617706 2474532.775487873 2.21882172403559 304.979819800968 36.4766151005285 -28.9365016392592 50154.4561040318 T 24 CATAB v2.0f-lin.ifort 2020-Feb-23 09:11:35 2020-Feb-23 09:11
2191-Dec-05 21:11 00:16 Iris 0.0282486767293469 0.0282308485003225 0.0282665086912286 1.22261320470229 1.2226130382515 2521645.382729648 16.1570765902073 1015.58929119825 35.341152450422 29.7639855065477 59128.177121285 T 24 CATAB v2.0f-lin.ifort 2020-Feb-23 09:11:35 2020-Feb-23 09:11

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