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268218 (2005 CX39)
Classification: Main-belt Asteroid          SPK-ID: 2268218
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1518545402727784 5.6305e-08  
a 3.108114483658359 3.0738e-08 au
q 2.636133187627255 1.8005e-07 au
i 1.921473505376828 5.7648e-06 deg
node 133.1078566212594 0.00016836 deg
peri 244.0964639582818 0.00017006 deg
M 28.38957490535176 1.9819e-05 deg
tp 2458842.666085983687
(2019-Dec-25.16608598)
0.00011034 TDB
period 2001.446278618332
5.48
2.969e-05
8.129e-08
d
yr
n .1798699289838149 2.6683e-09 deg/d
Q 3.580095779689463 3.5406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      6234 days (17.07 yr)  
   first obs. used      2003-10-23  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47316  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:22:08  

Additional Information
 Earth MOID = 1.6385 au 
 Jupiter MOID = 1.8818 au 
 T_jup = 3.201 
[ 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 16.0   n/a MPO494450  

268218 (2005 CX39)          Discovered 2005-Feb-04 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ 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
1946-Apr-01 04:30 00:03 Jupiter 1.8759623834922 1.87596188039671 1.87596288658748 2.09082833995245 1.86240059102816 2431911.687555029 3.08027940822449 149.66526547251 8.00587215125864 -88.4295619515352 2139502.74061013 T 17 CATAB v2.0f-lin.ifort 2020-Dec-18 00:22:09 2020-Dec-18 00:22
1956-Apr-15 14:42 00:03 Jupiter 1.96656547491288 1.96656461706941 1.96656633275673 2.60516663271967 2.43422883711045 2435579.112478289 2.56447634613205 113.872399634996 14.8433957015744 87.1824462201553 1730315.44821562 T 17 CATAB v2.0f-lin.ifort 2020-Dec-18 00:22:09 2020-Dec-18 00:22
2017-Mar-30 12:10 < 00:01 Jupiter 1.87109098173307 1.87109045245705 1.87109151100888 2.06909620348701 1.83732982189124 2457843.007166885 0.461921996078952 71.1113790024488 9.39656292424796 -85.2986081802632 2115888.37595069 T 17 CATAB v2.0f-lin.ifort 2020-Dec-18 00:22:09 2020-Dec-18 00:22
2078-Mar-14 15:36 00:03 Jupiter 1.9697358975243 1.96973506850866 1.96973672653983 2.65246522808969 2.48506240404547 2480107.150157754 2.76729283973335 72.5123983101185 13.1376238998113 -83.9045858445355 1499228.54753372 T 17 CATAB v2.0f-lin.ifort 2020-Dec-18 00:22:09 2020-Dec-18 00:22
2088-Mar-28 02:40 00:03 Jupiter 1.87172346620982 1.87172286222072 1.87172407019935 2.07482112361883 1.84385748134941 2483773.610997560 3.2753886098519 176.005386240832 10.5312541930451 -89.8627775602911 1911780.92455496 T 17 CATAB v2.0f-lin.ifort 2020-Dec-18 00:22:09 2020-Dec-18 00:22
2149-Mar-14 01:57 00:06 Jupiter 1.93675517124174 1.93675391086502 1.93675643161934 2.47386062019218 2.2902629310427 2506038.581272498 5.89170247484235 125.351106590163 8.01302969327471 -87.0640665141459 1410735.12162543 T 17 CATAB v2.0f-lin.ifort 2020-Dec-18 00:22:09 2020-Dec-18 00:22
2159-Mar-28 01:41 00:06 Jupiter 1.88011292706102 1.88011203712664 1.88011381700641 2.11283148934608 1.88759721405634 2509704.570172570 6.39409992073068 333.224855010734 8.24294904857964 -89.4724680590899 1853673.84959908 T 17 CATAB v2.0f-lin.ifort 2020-Dec-18 00:22:09 2020-Dec-18 00:22

Alternate Designations
 2005 CX39 = 2003 UH291 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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