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226563 (2003 WT68)
Classification: Outer Main-belt Asteroid          SPK-ID: 2226563
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04880539449738355 8.867e-08  
a 3.234299101295306 5.5253e-08 au
q 3.076447857734056 2.8113e-07 au
i 19.44690315176511 1.1877e-05 deg
node 243.6123451827914 2.2268e-05 deg
peri 226.955910563718 0.00010897 deg
M 257.7555997832963 0.00011031 deg
tp 2459603.900586341070
(2022-Jan-24.40058634)
0.00065707 TDB
period 2124.558514915102
5.82
5.4442e-05
1.491e-07
d
yr
n .169446968616153 4.3421e-09 deg/d
Q 3.392150344856557 5.795e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      7481 days (20.48 yr)  
   first obs. used      1998-01-17  
   last obs. used      2018-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59833  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:46:20  

Additional Information
 Earth MOID = 2.11728 au 
 Jupiter MOID = 1.89045 au 
 T_jup = 3.094 
[ 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 14.6   n/a MPO268233  
diameter diameter 6.604 km 0.370 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226563 (2003 WT68)          Discovered 2003-Nov-19 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ hide close-approach data ]
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
1960-May-13 13:34 00:04 Jupiter 1.99602270553329 1.99602144038864 1.99602397069542 5.85830671166466 5.78541677208597 2437068.065438732 4.40067919598108 523.86132683446 51.1053654041798 -85.905058632039 1750183.2361442 T 13 CATAB v2.0e-lin.ifort 2018-Oct-04 08:46:21 2018-Dec-17 22:37
1971-Nov-26 05:20 00:03 Jupiter 1.98712831547675 1.98712732836578 1.98712930258784 6.00998664768372 5.93863876450147 2441281.722157913 3.25755392913506 441.802907601005 47.8273348503431 89.6282039484301 1827155.64484261 T 13 CATAB v2.0e-lin.ifort 2018-Oct-04 08:46:21 2018-Dec-17 22:37
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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