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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1968152888609011 6.0825e-08  
a 2.306461120529776 7.1039e-09 au
q 1.852514308846271 1.4047e-07 au
i 6.024480726972295 6.3593e-06 deg
node 347.6529593332647 4.1125e-05 deg
peri 4.849240665688425 4.3099e-05 deg
M 79.38773300041416 1.1294e-05 deg
tp 2458718.357484672297
(2019-Aug-22.85748467)		 3.9993e-05 TDB
period 1279.433253465536
3.50		 5.911e-06
1.618e-08		 d
yr
n .2813745844301656 1.2999e-09 deg/d
Q 2.760407932213282 8.5021e-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 = .847102 au 
 Jupiter MOID = 2.6722 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 17.1   n/a MPO503247  

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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