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JPL Small-Body Database Browser
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226451 (2003 SU98)
Classification: Main-belt Asteroid          SPK-ID: 2226451
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1680919336508699 8.1534e-08  
a 3.104047285952499 4.5924e-08 au
q 2.582281975513008 2.5073e-07 au
i 22.20074012578447 1.0417e-05 deg
node 211.2239162427854 1.6145e-05 deg
peri 221.77337713 3.3965e-05 deg
M 239.9178482282674 3.625e-05 deg
tp 2459266.795500353700
(2021-Feb-21.29550035)
0.00020997 TDB
period 1997.519003351144
5.47
4.4329e-05
1.214e-07
d
yr
n .1802235670329267 3.9995e-09 deg/d
Q 3.625812596391989 5.3643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      7204 days (19.72 yr)  
   first obs. used      1998-10-17  
   last obs. used      2018-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59803  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:45:56  

Additional Information
 Earth MOID = 1.62976 au 
 Jupiter MOID = 1.89466 au 
 T_jup = 3.086 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO450050  
diameter diameter 4.302 km 0.226 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.087   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226451 (2003 SU98)          Discovered 2003-Sep-19 by NEAT at Haleakala
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2003 SU98 = 1998 VX16 = 2009 TO18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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