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227205 (2005 QM139)
Classification: Main-belt Asteroid          SPK-ID: 2227205
[ 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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2026733697984172 4.4671e-08  
a 2.343718422875335 1.9668e-08 au
q 1.868709112252559 1.0151e-07 au
i 2.391884102678203 9.122e-06 deg
node 21.01624284132381 0.00010638 deg
peri 276.9169834626103 0.0001096 deg
M 129.4451859016666 3.2015e-05 deg
tp 2458729.262351262897
(2019-Sep-02.76235126)		 0.00011262 TDB
period 1310.559001199387
3.59		 1.6497e-05
4.517e-08		 d
yr
n .2746919441784292 3.4577e-09 deg/d
Q 2.81872773349811 2.3654e-08 au
   Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      8702 days (23.82 yr)  
   first obs. used      1997-03-09  
   last obs. used      2021-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5706  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:11:09  

Additional Information
 Earth MOID = .85285 au 
 Jupiter MOID = 2.39842 au 
 T_jup = 3.533 
[ 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 17.3   n/a MPO437076  

227205 (2005 QM139)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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