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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1217055655882472 6.0095e-08  
a 2.376243864124997 1.8867e-08 au
q 2.087041760666062 1.4245e-07 au
i 5.163427940221784 5.9254e-06 deg
node 86.68227835183387 6.6656e-05 deg
peri 285.1828366635788 7.0477e-05 deg
M 11.60902885933255 2.5654e-05 deg
tp 2458957.355212967397
(2020-Apr-17.85521297)
9.5163e-05 TDB
period 1337.934767838103
3.66
1.5935e-05
4.363e-08
d
yr
n .2690714141330706 3.2046e-09 deg/d
Q 2.665445967583932 2.1164e-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 = 1.09444 au 
 Jupiter MOID = 2.80817 au 
 T_jup = 3.526 
[ 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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