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227214 (2005 QU177)
Classification: Main-belt Asteroid          SPK-ID: 2227214
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 .1905367497940929 5.2806e-08  
a 2.421464789722682 1.0169e-08 au
q 1.960086758948085 1.275e-07 au
i 3.681164506266487 3.7291e-06 deg
node 97.08338639035669 9.0155e-05 deg
peri 237.9587260108892 9.1184e-05 deg
M 35.7496561353527 1.0814e-05 deg
tp 2459063.826274568803
(2020-Aug-02.32627457)
4.149e-05 TDB
period 1376.308095634374
3.77
8.67e-06
2.374e-08
d
yr
n .2615693398461535 1.6477e-09 deg/d
Q 2.882842820497278 1.2107e-08 au
  Orbit Determination Parameters
   # obs. used (total)      309  
   data-arc span      7058 days (19.32 yr)  
   first obs. used      2001-08-19  
   last obs. used      2020-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51292  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:11:10  

Additional Information
 Earth MOID = .951236 au 
 Jupiter MOID = 2.49066 au 
 T_jup = 3.485 
[ 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 17.24   n/a E2021B55  

227214 (2005 QU177)          Discovered 2005-Aug-31 by LONEOS at Anderson Mesa
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 QU177 = 2001 QK271 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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