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49168 (1998 SB58)
Classification: Main-belt Asteroid          SPK-ID: 2049168
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .167379896174588 4.3168e-08  
a 2.340852699814137 1.1086e-08 au
q 1.949041017959243 1.0279e-07 au
i 7.22547429574013 6.8168e-06 deg
node 25.39315351656771 3.9579e-05 deg
peri 60.51057936833408 4.5858e-05 deg
M 313.5454046459727 2.4119e-05 deg
tp 2459169.305167371637
(2020-Nov-15.80516737)
8.8274e-05 TDB
period 1308.156056266693
3.58
9.2931e-06
2.544e-08
d
yr
n .2751965243561178 1.955e-09 deg/d
Q 2.732664381669031 1.2942e-08 au
  Orbit Determination Parameters
   # obs. used (total)      620  
   data-arc span      10192 days (27.90 yr)  
   first obs. used      1991-11-04  
   last obs. used      2019-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61965  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:40:07  

Additional Information
 Earth MOID = .97656 au 
 Jupiter MOID = 2.51212 au 
 T_jup = 3.535 
[ 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 15.6   n/a MPO432050  
diameter diameter 1.781 km 0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.292   0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49168 (1998 SB58)          Discovered 1998-Sep-17 by LONEOS at Anderson Mesa
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SB58 = 2000 GB22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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