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188000 (2001 SR204)
Classification: Main-belt Asteroid          SPK-ID: 2188000
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1215255060311657 6.0467e-08  
a 2.550700883788664 1.9549e-08 au
q 2.240725668152105 1.5905e-07 au
i 5.132355512805178 6.2202e-06 deg
node 155.5301458228872 5.2991e-05 deg
peri 229.9975643022916 5.9885e-05 deg
M 239.1665717796114 3.3133e-05 deg
tp 2459699.927350555333
(2022-Apr-30.42735056)		 0.00014067 TDB
period 1487.947903555241
4.07		 1.7106e-05
4.683e-08		 d
yr
n .2419439545832424 2.7814e-09 deg/d
Q 2.860676099425223 2.1924e-08 au
   Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      6823 days (18.68 yr)  
   first obs. used      2001-09-19  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61456  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:45:15  

Additional Information
 Earth MOID = 1.24693 au 
 Jupiter MOID = 2.59398 au 
 T_jup = 3.424 
[ 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 16.93   n/a E2021B55  

188000 (2001 SR204)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

[ show close-approach data ]
Alternate Designations
 2001 SR204 = 2005 QY7 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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