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146497 (2001 SM28)
Classification: Main-belt Asteroid          SPK-ID: 2146497
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09063485700872188 8.8515e-08  
a 2.557858829801566 1.4377e-08 au
q 2.326027660514004 2.3242e-07 au
i 1.937710581097733 4.1963e-06 deg
node 73.07366781098767 0.00021174 deg
peri 263.7825824239706 0.00021297 deg
M 229.3049173477008 2.5436e-05 deg
tp 2459542.962887649553
(2021-Nov-24.46288765)
0.00010681 TDB
period 1494.215662829327
4.09
1.2598e-05
3.449e-08
d
yr
n .2409290766758078 2.0313e-09 deg/d
Q 2.789689999089127 1.568e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      21766 days (59.59 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6381  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:55:19  

Additional Information
 Earth MOID = 1.31741 au 
 Jupiter MOID = 2.505 au 
 T_jup = 3.430 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO426925  

146497 (2001 SM28)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

Alternate Designations
 2001 SM28 = 2000 KE44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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