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243378 (2008 XT43)
Classification: Main-belt Asteroid          SPK-ID: 2243378
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09579571272060934 5.1953e-08  
a 3.118194583519335 3.5065e-08 au
q 2.819484910989556 1.5605e-07 au
i 16.04826184912935 6.2803e-06 deg
node 137.6912323174309 1.8735e-05 deg
peri 279.1881325779407 3.9643e-05 deg
M 102.7348156235906 3.3061e-05 deg
tp 2458426.557491993955
(2018-Nov-04.05749199)
0.00018663 TDB
period 2011.190672100949
5.51
3.3925e-05
9.288e-08
d
yr
n .1789984435557934 3.0194e-09 deg/d
Q 3.416904256049113 3.8424e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      7731 days (21.17 yr)  
   first obs. used      1999-03-20  
   last obs. used      2020-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60474  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:56:57  

Additional Information
 Earth MOID = 1.88832 au 
 Jupiter MOID = 1.91128 au 
 T_jup = 3.150 
[ 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 15.3   n/a MPO470595  
diameter diameter 5.832 km 0.339 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 49.9203 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.036   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243378 (2008 XT43)          Discovered 2008-Dec-02 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ 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
1962-May-27 08:12 00:03 Jupiter 1.96238870691973 1.96238798561659 1.96238942822966 5.33426341750762 5.25272401643032 2437811.841714121 2.68021707594182 280.767053826327 25.7984273285494 85.1805741531433 3063433.75022176 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 00:56:58 2020-Nov-12 00:56
2044-Dec-11 21:52 00:01 Jupiter 1.93813871057963 1.93813817291185 1.93813924824763 5.157580949354 5.07213796792501 2467961.411020446 1.38642642544869 159.26905780773 25.0531707275124 88.4207173665603 2906651.57999495 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 00:56:58 2020-Nov-12 00:56
2127-Jun-29 19:36 00:05 Jupiter 1.95202339395604 1.95202215617964 1.95202463177306 4.8666834178987 4.77668995774798 2498110.316566156 5.47430155599958 504.373956592459 26.8906388332352 -83.1004631496895 2711816.64307527 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 00:56:58 2020-Nov-12 00:56
2199-Aug-26 21:51 00:09 Jupiter 1.95402425507198 1.95402194520454 1.95402656510225 5.22538079013813 5.14175578052199 2524466.410255107 8.98478047437835 930.04354677294 25.7094815459488 83.1596562420158 2928058.95407699 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 00:56:58 2020-Nov-12 00:56

Alternate Designations
 2008 XT43 = 2006 QS154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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