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227195 (2005 QT74)
Classification: Main-belt Asteroid          SPK-ID: 2227195
[ 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 .2144721659513179 5.3579e-08  
a 2.402943841664849 8.6544e-09 au
q 1.887579271283608 1.2791e-07 au
i 8.030070213978487 5.9768e-06 deg
node 179.9843242385877 3.2723e-05 deg
peri 223.4865549986908 3.5185e-05 deg
M 2.735370605525036 1.0771e-05 deg
tp 2459190.162214099269
(2020-Dec-06.66221410)		 4.0705e-05 TDB
period 1360.547969897032
3.72		 7.3502e-06
2.012e-08		 d
yr
n .2645992702684678 1.4295e-09 deg/d
Q 2.918308412046089 1.051e-08 au
   Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      6518 days (17.85 yr)  
   first obs. used      2003-03-30  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52649  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:48  

Additional Information
 Earth MOID = .903555 au 
 Jupiter MOID = 2.51809 au 
 T_jup = 3.480 
[ 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 17.2   n/a MPO437076  

227195 (2005 QT74)          Discovered 2005-Aug-29 by LONEOS at Anderson Mesa
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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