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JPL Small-Body Database Browser
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49148 (1998 SB49)
Classification: Main-belt Asteroid          SPK-ID: 2049148
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1239260265326991 6.7208e-08  
a 2.397124185397336 1.0794e-08 au
q 2.100058109995611 1.605e-07 au
i 3.36688042296425 6.2277e-06 deg
node 170.8045972787298 7.614e-05 deg
peri 215.2430327818827 7.8145e-05 deg
M 174.0198305260457 1.8832e-05 deg
tp 2457945.214635971186
(2017-Jul-10.71463597)
6.9044e-05 TDB
period 1355.608325426251
3.71
9.1559e-06
2.507e-08
d
yr
n .2655634324809884 1.7936e-09 deg/d
Q 2.694190260799061 1.2131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      591  
   data-arc span      13083 days (35.82 yr)  
   first obs. used      1983-07-16  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60481  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:40:12  

Additional Information
 Earth MOID = 1.10421 au 
 Jupiter MOID = 2.74277 au 
 T_jup = 3.515 
[ 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 16.0   n/a MPO432050  
rotation period rot_per 5.504 h n/a LCDB (Rev. 2019-January); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

49148 (1998 SB49)          Discovered 1998-Sep-23 by Visnjan at Visnjan
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SB49 = 2000 DF33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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