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JPL Small-Body Database Browser
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226159 (2002 SN45)
Classification: Main-belt Asteroid          SPK-ID: 2226159
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1787226443716693 4.3606e-08  
a 2.286980373945432 1.2983e-08 au
q 1.878245193887795 1.0275e-07 au
i 1.252049239291907 4.4724e-06 deg
node 205.0957542230117 0.0001956 deg
peri 110.8909899805807 0.00019614 deg
M 330.2876268753452 1.2075e-05 deg
tp 2458704.762209186029
(2019-Aug-09.26220919)
4.1948e-05 TDB
period 1263.258076004203
3.46
1.0757e-05
2.945e-08
d
yr
n .2849773983940889 2.4267e-09 deg/d
Q 2.695715554003069 1.5303e-08 au
  Orbit Determination Parameters
   # obs. used (total)      468  
   data-arc span      8327 days (22.80 yr)  
   first obs. used      1997-01-10  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59366  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:50:05  

Additional Information
 Earth MOID = .864246 au 
 Jupiter MOID = 2.58389 au 
 T_jup = 3.579 
[ 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 MPO437072  
diameter diameter 2.287 km 0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226159 (2002 SN45)          Discovered 2002-Sep-29 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2002 SN45 = 2008 HB40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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