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216649 (2003 SA208)
Classification: Main-belt Asteroid          SPK-ID: 2216649
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1356168245726724 4.7987e-08  
a 2.703112226459324 1.783e-08 au
q 2.336524729843344 1.2918e-07 au
i 12.62465741672697 5.1355e-06 deg
node 31.70163573628169 2.2685e-05 deg
peri 99.93662977452702 2.9281e-05 deg
M 222.4641438512579 1.8954e-05 deg
tp 2459820.666034132429
(2022-Aug-29.16603413)
8.7703e-05 TDB
period 1623.284127785731
4.44
1.6061e-05
4.397e-08
d
yr
n .2217726360024627 2.1943e-09 deg/d
Q 3.069699723075304 2.0248e-08 au
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      7563 days (20.71 yr)  
   first obs. used      1999-12-30  
   last obs. used      2020-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5667  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:55:42  

Additional Information
 Earth MOID = 1.38921 au 
 Jupiter MOID = 2.0567 au 
 T_jup = 3.319 
[ 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 15.35   n/a E2021B55  
diameter diameter 3.057 km 0.491 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.157   0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

216649 (2003 SA208)          Discovered 2003-Sep-26 by LINEAR at Socorro
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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