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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1686498607236959 6.7569e-08  
a 3.103841748265252 2.4939e-08 au
q 2.580379269711924 2.0941e-07 au
i 22.20022394873632 7.7168e-06 deg
node 211.2122653143864 1.1196e-05 deg
peri 221.8647221299155 2.077e-05 deg
M 348.0431997530553 1.5772e-05 deg
tp 2459266.837676396450
(2021-Feb-21.33767640)
8.7339e-05 TDB
period 1997.320604969074
5.47
2.4072e-05
6.591e-08
d
yr
n .1802414690482674 2.1723e-09 deg/d
Q 3.627304226818579 2.9145e-08 au
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      8149 days (22.31 yr)  
   first obs. used      1998-10-17  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54399  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:35:51  

Additional Information
 Earth MOID = 1.62773 au 
 Jupiter MOID = 1.89683 au 
 T_jup = 3.086 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458120.5 (2018-Jan-02.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1657781669014014 6.72e-08  
q 2.594691973830884 2.0757e-07 au
tp 2457264.656258880713
(2015-Aug-30.15625888)
9.9151e-05 TDB
node 211.2706515118126 1.1164e-05 deg
peri 221.515796130847 2.1127e-05 deg
i 22.21411338258083 7.72e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      8149 days (22.31 yr)  
   first obs. used      1998-10-17  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54399  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:35:51  

Additional Information
 Jupiter MOID = 1.89683 au 
 T_jup = 3.086 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.515884884066227E-15 -1.38737994861069E-14 -3.329430541400702E-12 2.060062117036039E-14 -5.348276885536225E-13 -9.036297532627656E-15
q -1.38737994861069E-14 4.308639781243289E-14 9.270541235785156E-12 -6.65700818167327E-14 1.50138024211271E-12 2.990714881123133E-14
tp -3.329430541400702E-12 9.270541235785156E-12 9.830887652242045E-9 -1.752603135460977E-11 1.778656285506168E-9 8.659916676650381E-12
node 2.060062117036039E-14 -6.65700818167327E-14 -1.752603135460977E-11 1.24645132664532E-10 -1.183738947336833E-10 2.193819855301031E-11
peri -5.348276885536225E-13 1.50138024211271E-12 1.778656285506168E-9 -1.183738947336833E-10 4.463488320875406E-10 -1.86478331233009E-11
i -9.036297532627656E-15 2.990714881123133E-14 8.659916676650381E-12 2.193819855301031E-11 -1.86478331233009E-11 5.959809519879646E-11

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

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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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