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215194 (2000 SN18)
Classification: Main-belt Asteroid          SPK-ID: 2215194
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 .1706028986257233 5.9684e-08  
a 2.178224240643894 1.1004e-08 au
q 1.806612871333231 1.3258e-07 au
i 7.645255169840157 6.3018e-06 deg
node 299.270757689534 2.7721e-05 deg
peri 342.7835003558472 3.2893e-05 deg
M 109.8659728661229 1.4697e-05 deg
tp 2458642.145376507151
(2019-Jun-07.64537651)
4.887e-05 TDB
period 1174.227662049903
3.21
8.8982e-06
2.436e-08
d
yr
n .3065844994415575 2.3233e-09 deg/d
Q 2.549835609954558 1.2882e-08 au
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      7556 days (20.69 yr)  
   first obs. used      1999-02-16  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58447  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:57:08  

Additional Information
 Earth MOID = .79174 au 
 Jupiter MOID = 2.60476 au 
 T_jup = 3.653 
[ 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 16.8   n/a MPO437029  

215194 (2000 SN18)          Discovered 2000-Sep-23 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2000 SN18 = 2003 QQ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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