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JPL Small-Body Database Browser
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49126 (1998 SF22)
Classification: Main-belt Asteroid          SPK-ID: 2049126
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1808516610701513 5.1331e-08  
a 2.360646445898247 1.0541e-08 au
q 1.9337196149582 1.2448e-07 au
i 3.357899070246872 3.7645e-06 deg
node 236.7313083433314 8.8678e-05 deg
peri 105.7631371641105 8.9193e-05 deg
M 252.1022998943964 1.0918e-05 deg
tp 2458997.558534346008
(2020-May-28.05853435)
4.1223e-05 TDB
period 1324.783310716178
3.63
8.8732e-06
2.429e-08
d
yr
n .2717425537353607 1.8201e-09 deg/d
Q 2.787573276838293 1.2447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      592  
   data-arc span      11556 days (31.64 yr)  
   first obs. used      1987-09-18  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58822  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:40:08  

Additional Information
 Earth MOID = .928171 au 
 Jupiter MOID = 2.61992 au 
 T_jup = 3.527 
[ 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 15.9   n/a MPO432049  

49126 (1998 SF22)          Discovered 1998-Sep-23 by Visnjan at Visnjan
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SF22 = 2001 KS21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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