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109895 (2001 SC18)
Classification: Main-belt Asteroid          SPK-ID: 2109895
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 .2098565552626513 3.7677e-08  
a 2.652197345323657 1.3177e-08 au
q 2.095616346557286 1.0084e-07 au
i 3.095167374342705 4.9369e-06 deg
node 126.8525946804515 8.2228e-05 deg
peri 277.0063519087398 8.381e-05 deg
M 89.51684967084915 1.4349e-05 deg
tp 2458608.207983456889
(2019-May-04.70798346)
6.1687e-05 TDB
period 1577.637355143759
4.32
1.1757e-05
3.219e-08
d
yr
n .2281893229938104 1.7005e-09 deg/d
Q 3.208778344090028 1.5942e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      9520 days (26.06 yr)  
   first obs. used      1994-01-09  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56491  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:35:09  

Additional Information
 Earth MOID = 1.10736 au 
 Jupiter MOID = 2.20069 au 
 T_jup = 3.356 
[ 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 16.4   n/a MPO453560  

109895 (2001 SC18)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 SC18 = 1994 AL11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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