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JPL Small-Body Database Browser
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146524 (2001 SY154)
Classification: Main-belt Asteroid          SPK-ID: 2146524
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1543307184827954 6.5834e-08  
a 2.810267511826015 1.7815e-08 au
q 2.376556907597049 1.8665e-07 au
i 9.306225438556046 7.7076e-06 deg
node 6.739744230993622 2.3522e-05 deg
peri 20.66043137401649 3.1313e-05 deg
M 257.1900179577705 1.8704e-05 deg
tp 2459091.919859603687
(2020-Aug-30.41985960)
9.0784e-05 TDB
period 1720.758490013746
4.71
1.6362e-05
4.48e-08
d
yr
n .2092100675889294 1.9893e-09 deg/d
Q 3.243978116054982 2.0564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      513  
   data-arc span      6127 days (16.77 yr)  
   first obs. used      2001-08-05  
   last obs. used      2018-05-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54231  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:46:39  

Additional Information
 Earth MOID = 1.38219 au 
 Jupiter MOID = 2.23138 au 
 T_jup = 3.285 
[ 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 MPO432921  

146524 (2001 SY154)          Discovered 2001-Sep-17 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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