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49223 (1998 SA136)
Classification: Main-belt Asteroid          SPK-ID: 2049223
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2165169934896418 3.2079e-08  
a 2.358061388764398 7.5997e-09 au
q 1.847501026405121 7.6881e-08 au
i 6.710818253076064 4.2864e-06 deg
node 40.44598340397365 3.2467e-05 deg
peri 260.9986688674214 3.4103e-05 deg
M 296.3142739286914 1.1227e-05 deg
tp 2458834.475665553025
(2019-Dec-16.97566555)
4.1597e-05 TDB
period 1322.607824314912
3.62
6.3939e-06
1.751e-08
d
yr
n .2721895284314333 1.3158e-09 deg/d
Q 2.868621751123674 9.2452e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1410  
   data-arc span      7537 days (20.64 yr)  
   first obs. used      1998-09-22  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51631  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:40:26  

Additional Information
 Earth MOID = .846109 au 
 Jupiter MOID = 2.39346 au 
 T_jup = 3.512 
[ 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 14.5   n/a MPO337652  
diameter diameter 3.377 km 0.813 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.269   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49223 (1998 SA136)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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