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101228 (1998 SN69)
Classification: Main-belt Asteroid          SPK-ID: 2101228
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726137252435626 5.2856e-08  
a 2.336045939829316 1.3334e-08 au
q 1.932812347815278 1.2357e-07 au
i 7.855163845777961 5.7868e-06 deg
node 297.678705210515 4.3972e-05 deg
peri 6.870522508762503 4.7239e-05 deg
M 66.40658533810623 1.9948e-05 deg
tp 2458759.936826644640
(2019-Oct-03.43682664)		 7.1119e-05 TDB
period 1304.128829497792
3.57		 1.1166e-05
3.057e-08		 d
yr
n .2760463474598845 2.3636e-09 deg/d
Q 2.739279531843354 1.5636e-08 au
   Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      7755 days (21.23 yr)  
   first obs. used      1998-08-24  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61704  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 15:01:03  

Additional Information
 Earth MOID = .917799 au 
 Jupiter MOID = 2.49546 au 
 T_jup = 3.535 
[ 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 16.2   n/a MPO436472  

101228 (1998 SN69)          Discovered 1998-Sep-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 SN69 = 2001 KE70 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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