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JPL Small-Body Database Browser
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277227 (2005 QR169)
Classification: Main-belt Asteroid          SPK-ID: 2277227
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1276387718796564 3.9485e-08  
a 2.315411812058217 1.5433e-08 au
q 2.019875491971456 8.8577e-08 au
i 6.299814082822186 5.4114e-06 deg
node 225.0074828475551 3.9783e-05 deg
peri 85.26042945015686 4.951e-05 deg
M 348.4497785604964 2.4944e-05 deg
tp 2458641.788452280453
(2019-Jun-07.28845228)
8.907e-05 TDB
period 1286.888125809118
3.52
1.2867e-05
3.523e-08
d
yr
n .2797445968923317 2.7969e-09 deg/d
Q 2.610948132144977 1.7403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      343  
   data-arc span      7717 days (21.13 yr)  
   first obs. used      1998-09-29  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52042  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 17:52:12  

Additional Information
 Earth MOID = 1.01662 au 
 Jupiter MOID = 2.61981 au 
 T_jup = 3.563 
[ 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 16.8   n/a MPO440343  

277227 (2005 QR169)          Discovered 2005-Aug-29 by NEAT at Palomar
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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