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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09027962226222616 9.2735e-08  
a 2.558642691798196 1.6862e-08 au
q 2.327649396078649 2.4547e-07 au
i 1.93773583054459 4.7085e-06 deg
node 73.07908278058355 0.00021897 deg
peri 263.7899592408949 0.00022073 deg
M 132.9392088225857 2.7775e-05 deg
tp 2458048.468984690080
(2017-Oct-21.96898469)
0.0001157 TDB
period 1494.902574430003
4.09
1.4778e-05
4.046e-08
d
yr
n .2408183691417253 2.3806e-09 deg/d
Q 2.789635987517743 1.8385e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      21268 days (58.23 yr)  
   first obs. used      1960-09-24  
   last obs. used      2018-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64902  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:03:08  

Additional Information
 Earth MOID = 1.31813 au 
 Jupiter MOID = 2.50316 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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