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227155 (2005 QD6)
Classification: Main-belt Asteroid          SPK-ID: 2227155
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2357247440447119 5.1809e-08  
a 2.321628702137616 8.4724e-09 au
q 1.77436337055937 1.224e-07 au
i 1.614799995192605 5.3743e-06 deg
node 298.4872253873044 0.00016527 deg
peri 2.635078162729838 0.00016567 deg
M 140.9870357951846 9.232e-06 deg
tp 2458694.483996498488
(2019-Jul-29.98399650)
3.3257e-05 TDB
period 1292.074553047425
3.54
7.0728e-06
1.936e-08
d
yr
n .2786216934238983 1.5252e-09 deg/d
Q 2.868894033715862 1.047e-08 au
  Orbit Determination Parameters
   # obs. used (total)      369  
   data-arc span      8144 days (22.30 yr)  
   first obs. used      1998-09-18  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53363  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:39  

Additional Information
 Earth MOID = .756857 au 
 Jupiter MOID = 2.36611 au 
 T_jup = 3.539 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO338628  

227155 (2005 QD6)          Discovered 2005-Aug-24 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2005 QD6 = 1998 SP165 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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