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187882 (2000 QW230)
Classification: Main-belt Asteroid          SPK-ID: 2187882
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2594147579821507 6.415e-08  
a 2.578522246988364 1.8602e-08 au
q 1.909615522334286 1.7497e-07 au
i 3.757069106210011 4.3561e-06 deg
node 157.2001487374506 9.9887e-05 deg
peri 178.5552973292052 0.00010142 deg
M 336.6066545630619 2.3561e-05 deg
tp 2459298.775346586288
(2021-Mar-25.27534659)		 9.9899e-05 TDB
period 1512.358498122286
4.14		 1.6366e-05
4.481e-08		 d
yr
n .238038798636017 2.5759e-09 deg/d
Q 3.247428971642442 2.3428e-08 au
   Orbit Determination Parameters
   # obs. used (total)      299  
   data-arc span      9212 days (25.22 yr)  
   first obs. used      1995-04-26  
   last obs. used      2020-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:46:26  

Additional Information
 Earth MOID = .898131 au 
 Jupiter MOID = 2.14632 au 
 T_jup = 3.375 
[ 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 16.57   n/a E2021B55  

187882 (2000 QW230)          Discovered 2000-Aug-31 by Spacewatch at Kitt Peak
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

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Alternate Designations
 2000 QW230 = 1995 HG4 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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