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469821 (2005 SN173)
Classification: Main-belt Asteroid          SPK-ID: 2469821
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1974428852820165 3.1767e-07  
a 2.414639028706814 7.7784e-08 au
q 1.937885731964375 8.2087e-07 au
i 2.151167974166935 1.2921e-05 deg
node 273.8093929036081 0.00028215 deg
peri 83.76659256628787 0.00031633 deg
M 334.5343200716628 0.0001515 deg
tp 2459097.445917765076
(2020-Sep-04.94591777)
0.00058132 TDB
period 1370.492776695559
3.75
6.6223e-05
1.813e-07
d
yr
n .2626792392645864 1.2693e-08 deg/d
Q 2.891392325449254 9.3142e-08 au
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      4531 days (12.41 yr)  
   first obs. used      2005-08-29  
   last obs. used      2018-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60667  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:31:18  

Additional Information
 Earth MOID = .935314 au 
 Jupiter MOID = 2.56441 au 
 T_jup = 3.490 
[ 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 18.0   n/a MPO434691  
diameter diameter 1.871 km 0.254 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

469821 (2005 SN173)          Discovered 2005-Sep-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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