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JPL Small-Body Database Browser
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277229 (2005 QK173)
Classification: Main-belt Asteroid          SPK-ID: 2277229
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1967296571780966 6.0837e-08  
a 2.306229307396371 7.1327e-09 au
q 1.852525606378204 1.4042e-07 au
i 6.024504693426859 6.3596e-06 deg
node 347.6596372094237 4.1126e-05 deg
peri 4.789013626584429 4.3103e-05 deg
M 326.8716964582792 1.1251e-05 deg
tp 2458718.219620432012
(2019-Aug-22.71962043)
4.0032e-05 TDB
period 1279.240372274226
3.50
5.9347e-06
1.625e-08
d
yr
n .281417009502283 1.3056e-09 deg/d
Q 2.759933008414538 8.536e-09 au
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      15386 days (42.12 yr)  
   first obs. used      1977-10-11  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52739  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:10:25  

Additional Information
 Earth MOID = .846192 au 
 Jupiter MOID = 2.66893 au 
 T_jup = 3.554 
[ 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 17.0   n/a MPO440343  

277229 (2005 QK173)          Discovered 2005-Aug-29 by NEAT at Palomar
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 QK173 = 1998 SY100 = 2109 T-3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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