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469825 (2005 SG209)
Classification: Main-belt Asteroid          SPK-ID: 2469825
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2618300319551115 1.0717e-07  
a 2.411415831546167 4.0063e-08 au
q 1.780034747315373 2.3721e-07 au
i 24.97938349887711 2.1939e-05 deg
node 348.4897836752697 1.7965e-05 deg
peri 92.92072149382921 7.7224e-05 deg
M 282.6544916365083 7.6259e-05 deg
tp 2459294.359128395460
(2021-Mar-20.85912840)
0.00029608 TDB
period 1367.749575388398
3.74
3.4085e-05
9.332e-08
d
yr
n .2632060769587673 6.5593e-09 deg/d
Q 3.042796915776962 5.0552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      4613 days (12.63 yr)  
   first obs. used      2005-08-29  
   last obs. used      2018-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63833  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:31:19  

Additional Information
 Earth MOID = .974764 au 
 Jupiter MOID = 2.5253 au 
 T_jup = 3.349 
[ 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 16.9   n/a MPO434691  
diameter diameter 1.254 km 0.372 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.178   0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

469825 (2005 SG209)          Discovered 2005-Sep-30 by NEAT at Palomar
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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