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101193 (1998 SY23)
Classification: Main-belt Asteroid          SPK-ID: 2101193
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 .1992711401643938 4.0269e-08  
a 2.32228511352996 9.0944e-09 au
q 1.859520711170046 9.3861e-08 au
i 3.830571263962836 5.1351e-06 deg
node 68.15208059332987 6.9362e-05 deg
peri 308.2072157282371 7.0659e-05 deg
M 35.13411036341421 1.4648e-05 deg
tp 2458874.346822269555
(2020-Jan-25.84682227)
5.2242e-05 TDB
period 1292.622568586565
3.54
7.5931e-06
2.079e-08
d
yr
n .2785035699892248 1.636e-09 deg/d
Q 2.785049515889874 1.0907e-08 au
  Orbit Determination Parameters
   # obs. used (total)      505  
   data-arc span      8071 days (22.10 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6047  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:56  

Additional Information
 Earth MOID = .864123 au 
 Jupiter MOID = 2.67915 au 
 T_jup = 3.547 
[ 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 16.0   n/a MPO439692  

101193 (1998 SY23)          Discovered 1998-Sep-17 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 SY23 = 2003 AJ45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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