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46498 (2240 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2046498
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1120083781071024 5.1922e-08  
a 2.181865420162418 7.4507e-09 au
q 1.937478213202054 1.1268e-07 au
i 4.654730757513681 5.5026e-06 deg
node 254.845984576448 4.7877e-05 deg
peri 327.6382470640129 5.0303e-05 deg
M 235.1292686842831 1.6061e-05 deg
tp 2459408.817995127214
(2021-Jul-13.31799513)
5.2931e-05 TDB
period 1177.173199011252
3.22
6.0298e-06
1.651e-08
d
yr
n .3058173600132728 1.5665e-09 deg/d
Q 2.426252627122782 8.2853e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1014  
   data-arc span      15446 days (42.29 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53748  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:29:16  

Additional Information
 Earth MOID = .930192 au 
 Jupiter MOID = 2.55968 au 
 T_jup = 3.668 
[ 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 15.5   n/a MPO449294  

46498 (2240 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2240 T-3 = 2000 WE93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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