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227299 (2005 SC251)
Classification: Main-belt Asteroid          SPK-ID: 2227299
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2368837511031663 7.2422e-08  
a 2.362110891630441 1.3076e-08 au
q 1.802565203099378 1.6675e-07 au
i 5.847981644726407 6.4511e-06 deg
node 39.39279871909 5.124e-05 deg
peri 340.4348674391091 5.2865e-05 deg
M 51.88031455461897 1.1087e-05 deg
tp 2459009.405164562214
(2020-Jun-08.90516456)		 4.0396e-05 TDB
period 1326.016261624193
3.63		 1.1011e-05
3.015e-08		 d
yr
n .2714898832078033 2.2543e-09 deg/d
Q 2.921656580161505 1.6173e-08 au
   Orbit Determination Parameters
   # obs. used (total)      457  
   data-arc span      8096 days (22.17 yr)  
   first obs. used      1998-11-18  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55362  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:11:25  

Additional Information
 Earth MOID = .805302 au 
 Jupiter MOID = 2.53935 au 
 T_jup = 3.505 
[ 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 16.59   n/a E2021B55  
diameter diameter 2.616 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227299 (2005 SC251)          Discovered 2005-Sep-24 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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