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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04893168868553661 6.5745e-08  
a 3.234785644739293 3.8713e-08 au
q 3.076502120606467 2.326e-07 au
i 19.44599586064712 6.9743e-06 deg
node 243.6150486340245 1.7523e-05 deg
peri 226.7890601564544 8.6281e-05 deg
M 291.8198577960599 8.8877e-05 deg
tp 2459602.959413085057
(2022-Jan-23.45941309)
0.00052803 TDB
period 2125.037936665489
5.82
3.8148e-05
1.044e-07
d
yr
n .1694087403281351 3.0412e-09 deg/d
Q 3.393069168872119 4.0607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      8393 days (22.98 yr)  
   first obs. used      1998-01-17  
   last obs. used      2021-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53034  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:36:20  

Additional Information
 Earth MOID = 2.11686 au 
 Jupiter MOID = 1.8895 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 14.68   n/a E2021B55  
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 13:35 00:03 Jupiter 1.99602298200986 1.99602224016449 1.99602372385637 5.85830658479077 5.78541665417867 2437068.066113505 2.86344359246267 372.535036770722 35.3170518116007 -88.6377623952308 2644211.98769799 T 17 CATAB v2.0f-lin.ifort 2021-Apr-14 00:36:22 2021-Apr-14 00:36
1971-Nov-26 05:21 00:02 Jupiter 1.9871284325613 1.98712764459748 1.98712922052954 6.00998723204513 5.9386393605092 2441281.722619967 2.14956589428104 316.049822318364 33.4912630950505 86.7555730041951 2719049.63403251 T 17 CATAB v2.0f-lin.ifort 2021-Apr-14 00:36:22 2021-Apr-14 00:36
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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