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JPL Small-Body Database Browser
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136982 (1998 SK3)
Classification: Main-belt Asteroid          SPK-ID: 2136982
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1767216694837477 3.9268e-08  
a 2.375610869634306 1.0567e-08 au
q 1.955788950708794 9.2029e-08 au
i 6.082631907225632 4.2731e-06 deg
node 68.49124901231144 4.0139e-05 deg
peri 139.9933632933174 4.1982e-05 deg
M 117.0034077708044 1.1457e-05 deg
tp 2458565.832276477548
(2019-Mar-23.33227648)
4.2165e-05 TDB
period 1337.40019585249
3.66
8.9232e-06
2.443e-08
d
yr
n .269178964618386 1.796e-09 deg/d
Q 2.795432788559819 1.2434e-08 au
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      8069 days (22.09 yr)  
   first obs. used      1997-04-07  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53916  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:13:36  

Additional Information
 Earth MOID = .954812 au 
 Jupiter MOID = 2.17376 au 
 T_jup = 3.513 
[ 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 16.0   n/a MPO475191  
diameter diameter 4.236 km 0.938 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.043   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

136982 (1998 SK3)          Discovered 1998-Sep-17 by ODAS at Caussols
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

Alternate Designations
 1998 SK3 = 1997 GB41 = 2004 DR4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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