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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1725557003563196 5.1105e-08  
a 2.336495591290114 1.2948e-08 au
q 1.933319958155595 1.191e-07 au
i 7.855097061556137 5.6201e-06 deg
node 297.6793931060263 4.2074e-05 deg
peri 6.932578464131211 4.5314e-05 deg
M 121.5458573658697 1.9899e-05 deg
tp 2458760.063263118451
(2019-Oct-03.56326312)
6.9982e-05 TDB
period 1304.505383511992
3.57
1.0844e-05
2.969e-08
d
yr
n .2759666648755463 2.2939e-09 deg/d
Q 2.739671224424633 1.5182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      8211 days (22.48 yr)  
   first obs. used      1998-08-24  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59798  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:49  

Additional Information
 Earth MOID = .916325 au 
 Jupiter MOID = 2.49478 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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