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227291 (2005 SX195)
Classification: Main-belt Asteroid          SPK-ID: 2227291
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812374051381026 3.8976e-08  
a 2.378764178528493 1.067e-08 au
q 1.947643131376519 9.5391e-08 au
i 3.425167974167089 4.8905e-06 deg
node 179.5914632544024 7.3021e-05 deg
peri 316.2695457516723 7.4506e-05 deg
M 301.8982956391418 1.4009e-05 deg
tp 2459416.777770081996
(2021-Jul-21.27777008)
5.2514e-05 TDB
period 1340.063911825125
3.67
9.0164e-06
2.469e-08
d
yr
n .2686439033416632 1.8075e-09 deg/d
Q 2.809885225680467 1.2604e-08 au
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      9625 days (26.35 yr)  
   first obs. used      1994-10-02  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53004  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:12  

Additional Information
 Earth MOID = .962989 au 
 Jupiter MOID = 2.22969 au 
 T_jup = 3.515 
[ 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 17.4   n/a MPO437077  
diameter diameter 2.103 km 0.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227291 (2005 SX195)          Discovered 2005-Sep-30 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2005 SX195 = 2007 EV46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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