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JPL Small-Body Database Browser
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146509 (2001 SY74)
Classification: Main-belt Asteroid          SPK-ID: 2146509
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1286167025719151 3.7709e-08  
a 2.764154906107187 1.8738e-08 au
q 2.408638416685699 1.0671e-07 au
i 12.2515141164266 7.2755e-06 deg
node 359.7563905584419 2.1117e-05 deg
peri 85.47698203167693 3.5944e-05 deg
M 243.0362141098541 2.9464e-05 deg
tp 2459145.869579814861
(2020-Oct-23.36957981)
0.00013956 TDB
period 1678.579803476511
4.60
1.7068e-05
4.673e-08
d
yr
n .214467015064999 2.1807e-09 deg/d
Q 3.119671395528675 2.1148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      6617 days (18.12 yr)  
   first obs. used      2001-09-11  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59916  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:04:56  

Additional Information
 Earth MOID = 1.46169 au 
 Jupiter MOID = 2.15864 au 
 T_jup = 3.295 
[ 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 15.4   n/a MPO401248  

146509 (2001 SY74)          Discovered 2001-Sep-19 by LONEOS at Anderson Mesa
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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