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187142 (2005 QN148)
Classification: Main-belt Asteroid          SPK-ID: 2187142
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1251883735374345 4.7977e-08  
a 2.325422748975222 1.3196e-08 au
q 2.034306857244065 1.1083e-07 au
i 7.728470603820677 4.8602e-06 deg
node 93.50720119997816 3.6612e-05 deg
peri 204.1659165076322 4.5338e-05 deg
M 146.4251892308824 2.3429e-05 deg
tp 2458673.677160050469
(2019-Jul-09.17716005)		 8.5216e-05 TDB
period 1295.243143464766
3.55		 1.1025e-05
3.018e-08		 d
yr
n .2779400931913082 2.3658e-09 deg/d
Q 2.61653864070638 1.4848e-08 au
   Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      6151 days (16.84 yr)  
   first obs. used      2004-02-13  
   last obs. used      2020-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56194  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:56:13  

Additional Information
 Earth MOID = 1.01899 au 
 Jupiter MOID = 2.55521 au 
 T_jup = 3.552 
[ 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 16.7   n/a MPO494032  

187142 (2005 QN148)          Discovered 2005-Aug-30 by LONEOS at Anderson Mesa
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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