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JPL Small-Body Database Browser
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172462 (2003 SF4)
Classification: Main-belt Asteroid          SPK-ID: 2172462
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .199854072475613 5.9003e-08  
a 2.395956572595142 9.8914e-09 au
q 1.917114894087292 1.4047e-07 au
i 1.175652196507973 6.4012e-06 deg
node 4.625258626353519 0.00021675 deg
peri 353.9779691076003 0.00021712 deg
M 182.959286123704 1.2454e-05 deg
tp 2459666.673712630855
(2022-Mar-28.17371263)
4.8963e-05 TDB
period 1354.617993207368
3.71
8.3886e-06
2.297e-08
d
yr
n .265757580222021 1.6457e-09 deg/d
Q 2.874798251102993 1.1868e-08 au
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      15487 days (42.40 yr)  
   first obs. used      1977-09-09  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5754  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:49:44  

Additional Information
 Earth MOID = .913415 au 
 Jupiter MOID = 2.5742 au 
 T_jup = 3.501 
[ 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 17.1   n/a MPO454182  

172462 (2003 SF4)          Discovered 2003-Sep-16 by Spacewatch at Kitt Peak
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

Alternate Designations
 2003 SF4 = 1977 RE13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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