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227154 (2005 QQ1)
Classification: Main-belt Asteroid          SPK-ID: 2227154
[ 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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2206844609060802 4.5816e-08  
a 2.372901529483471 1.2539e-08 au
q 1.849239034666198 1.0642e-07 au
i 1.888835530428862 7.2917e-06 deg
node 201.0936713125938 0.00015025 deg
peri 101.5432378000939 0.00015189 deg
M 83.89832561046396 2.0616e-05 deg
tp 2458889.350724527579
(2020-Feb-09.85072453)		 7.4924e-05 TDB
period 1335.112928119044
3.66		 1.0583e-05
2.897e-08		 d
yr
n .2696401123964705 2.1373e-09 deg/d
Q 2.896564024300744 1.5306e-08 au
   Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      8110 days (22.20 yr)  
   first obs. used      1998-09-25  
   last obs. used      2020-12-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55654  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:10:58  

Additional Information
 Earth MOID = .833065 au 
 Jupiter MOID = 2.3455 au 
 T_jup = 3.509 
[ 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 17.7   n/a MPO470429  

227154 (2005 QQ1)          Discovered 2005-Aug-22 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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