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187242 (2005 SR180)
Classification: Main-belt Asteroid          SPK-ID: 2187242
[ 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 .1778597727892961 4.94e-08  
a 2.44597684762793 9.8805e-09 au
q 2.010935961260947 1.2326e-07 au
i 2.144556602072499 4.6092e-06 deg
node 175.7507326515275 0.00014726 deg
peri 126.1358624731372 0.00014807 deg
M 35.51254392177056 1.3647e-05 deg
tp 2459062.666043451857
(2020-Aug-01.16604345)		 5.2972e-05 TDB
period 1397.259077430165
3.83		 8.4663e-06
2.318e-08		 d
yr
n .2576472794595194 1.5611e-09 deg/d
Q 2.881017733994912 1.1638e-08 au
   Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      7584 days (20.76 yr)  
   first obs. used      2000-03-03  
   last obs. used      2020-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .615  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:56:27  

Additional Information
 Earth MOID = .994459 au 
 Jupiter MOID = 2.34484 au 
 T_jup = 3.476 
[ 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 17.33   n/a E2021B55  

187242 (2005 SR180)          Discovered 2005-Sep-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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Alternate Designations
 2005 SR180 = 2001 QA175 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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