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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1785206288004838 4.3032e-08  
a 2.286638567052127 1.2844e-08 au
q 1.878426412222544 1.0121e-07 au
i 1.252002050634138 4.4678e-06 deg
node 205.0914677503773 0.00019211 deg
peri 110.9504535151336 0.00019266 deg
M 84.25915009791521 1.1628e-05 deg
tp 2458704.896694241016
(2019-Aug-09.39669424)
4.1925e-05 TDB
period 1262.974881061222
3.46
1.0642e-05
2.914e-08
d
yr
n .285041298444121 2.4017e-09 deg/d
Q 2.694850721881711 1.5137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      8414 days (23.04 yr)  
   first obs. used      1997-01-10  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59035  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:50:57  

Additional Information
 Earth MOID = .865286 au 
 Jupiter MOID = 2.58709 au 
 T_jup = 3.580 
[ 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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