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JPL Small-Body Database Browser
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393584 (2003 SF251)
Classification: Main-belt Asteroid          SPK-ID: 2393584
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .185723624537069 8.3487e-08  
a 2.652115356476854 1.9788e-08 au
q 2.159554879781552 2.1859e-07 au
i 7.296017859956152 1.0229e-05 deg
node 33.24937019244045 3.2416e-05 deg
peri 29.9185260478986 3.8708e-05 deg
M 281.0705673497378 1.8387e-05 deg
tp 2459346.378464684910
(2021-May-11.87846468)
8.0895e-05 TDB
period 1577.564200141933
4.32
1.7655e-05
4.834e-08
d
yr
n .2281999046172642 2.5539e-09 deg/d
Q 3.144675833172156 2.3463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      6241 days (17.09 yr)  
   first obs. used      2001-03-20  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47549  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:56:57  

Additional Information
 Earth MOID = 1.17579 au 
 Jupiter MOID = 2.21685 au 
 T_jup = 3.354 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457170.5 (2015-May-28.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1874766609736272 8.5305e-08  
q 2.154234162530278 2.2498e-07 au
tp 2457763.410363001039
(2017-Jan-09.91036300)
7.7963e-05 TDB
node 33.44626950669472 3.2259e-05 deg
peri 28.82479386924254 3.8355e-05 deg
i 7.318476780406479 1.0254e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      6241 days (17.09 yr)  
   first obs. used      2001-03-20  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47549  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:56:57  

Additional Information
 Jupiter MOID = 2.21685 au 
 T_jup = 3.354 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.277001380825808E-15 -1.914667183869013E-14 -4.926401512046384E-12 2.593556538289244E-14 -1.336674571475281E-12 1.065855870010435E-14
q -1.914667183869013E-14 5.061456427622636E-14 1.305969155946011E-11 -6.87920619255848E-14 3.520715918799415E-12 -2.723673559803348E-14
tp -4.926401512046384E-12 1.305969155946011E-11 6.078183244947577E-9 -2.328416322736126E-11 1.618456075088254E-9 -7.733516357592729E-12
node 2.593556538289244E-14 -6.87920619255848E-14 -2.328416322736126E-11 1.040623655017486E-9 -1.038037853271624E-9 -3.281241878522156E-11
peri -1.336674571475281E-12 3.520715918799415E-12 1.618456075088254E-9 -1.038037853271624E-9 1.471080369786154E-9 3.050830704036259E-11
i 1.065855870010435E-14 -2.723673559803348E-14 -7.733516357592729E-12 -3.281241878522156E-11 3.050830704036259E-11 1.051533956456226E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO437611  
rotation period rot_per 3.90 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) ArXiv:1901.08719.]

393584 (2003 SF251)          Discovered 2003-Sep-26 by LINEAR at Socorro
Reference: Last Updated: 2014-05-15

Alternate Designations
 2003 SF251 = 2014 GL30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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