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JPL Small-Body Database Browser
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277321 (2005 SK218)
Classification: Main-belt Asteroid          SPK-ID: 2277321
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1219990456230653 6.0149e-08  
a 2.377535236446347 1.9092e-08 au
q 2.087478206664684 1.4252e-07 au
i 5.163422053405816 5.9257e-06 deg
node 86.68341340694352 6.6644e-05 deg
peri 284.9451269788183 7.0445e-05 deg
M 264.255467609864 2.5148e-05 deg
tp 2458956.623269384654
(2020-Apr-17.12326938)
9.4999e-05 TDB
period 1339.025569168519
3.67
1.6129e-05
4.416e-08
d
yr
n .2688522223093511 3.2384e-09 deg/d
Q 2.667592266228011 2.1422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      6074 days (16.63 yr)  
   first obs. used      2001-08-24  
   last obs. used      2018-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59492  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:03:24  

Additional Information
 Earth MOID = 1.09401 au 
 Jupiter MOID = 2.80284 au 
 T_jup = 3.525 
[ 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 MPO437262  

277321 (2005 SK218)          Discovered 2005-Sep-30 by NEAT at Palomar
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

Alternate Designations
 2005 SK218 = 2001 QO167 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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