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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 
[ 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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1946-Sep-02 10:33 00:02 Jupiter 1.96454332339699 1.96454224928205 1.96454439752844 5.88034531732524 5.80656104931694 2432065.939392301 2.05038810277615 359.218909270112 30.6187541586677 83.0871616970988 2725090.38006801 T 16 CATAB v2.0f-lin.ifort 2021-Apr-14 00:35:52 2021-Apr-14 00:35
2078-Mar-23 05:52 00:02 Jupiter 1.95778248804935 1.95778143863867 1.95778353746581 5.3419212401763 5.26030748902704 2480115.744249229 1.90430727913756 290.987580959052 41.7910692507331 -83.6539753407025 2124084.44865705 T 16 CATAB v2.0f-lin.ifort 2021-Apr-14 00:35:52 2021-Apr-14 00:35
2149-Mar-06 00:53 00:04 Jupiter 1.92385268951513 1.92385147682967 1.92385390224422 5.47237494414859 5.39132074074946 2506030.537094558 3.95985022408923 614.743805543859 39.2931492493559 -85.5082135155405 2248928.12350484 T 16 CATAB v2.0f-lin.ifort 2021-Apr-14 00:35:52 2021-Apr-14 00:35

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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