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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1686498569552819 6.7773e-08  
a 3.103841750730909 2.4982e-08 au
q 2.580379283458309 2.1013e-07 au
i 22.20022427132531 7.8132e-06 deg
node 211.2122650392021 1.1243e-05 deg
peri 221.8647238453521 2.0872e-05 deg
M 348.0431978195088 1.5959e-05 deg
tp 2459266.837687203031
(2021-Feb-21.33768720)
8.8385e-05 TDB
period 1997.320607349048
5.47
2.4114e-05
6.602e-08
d
yr
n .1802414688334947 2.1761e-09 deg/d
Q 3.627304218003508 2.9195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      8123 days (22.24 yr)  
   first obs. used      1998-10-17  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54732  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:09:04  

Additional Information
 Earth MOID = 1.62773 au 
 Jupiter MOID = 1.89683 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 15.47   n/a E2021B55  
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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