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129688 (1998 SK14)
Classification: Main-belt Asteroid          SPK-ID: 2129688
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2824666666288959 8.1097e-08  
a 2.917937249822876 1.2565e-08 au
q 2.09371724143312 2.3739e-07 au
i 24.98258316115893 9.5587e-06 deg
node 356.1431151598502 9.7718e-06 deg
peri 7.068344137610637 1.398e-05 deg
M 114.3289685929967 8.3352e-06 deg
tp 2458422.315914021201
(2018-Oct-30.81591402)
4.1024e-05 TDB
period 1820.590822378134
4.98
1.1759e-05
3.219e-08
d
yr
n .1977380065718185 1.2772e-09 deg/d
Q 3.742157258212632 1.6114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1272  
   data-arc span      9719 days (26.61 yr)  
   first obs. used      1993-09-12  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34131  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:46:16  

Additional Information
 Earth MOID = 1.09212 au 
 Jupiter MOID = 1.7229 au 
 T_jup = 3.086 
[ 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 14.9   n/a MPO469353  
diameter diameter 5.067 km 0.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.099   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129688 (1998 SK14)          Discovered 1998-Sep-17 by LONEOS at Anderson Mesa
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1998 SK14 = 1993 RQ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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