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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 ]

[ hide orbit diagram ]

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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1520439339229058 5.1995e-08  
a 3.108952741510306 2.7689e-08 au
q 2.636255336310676 1.6208e-07 au
i 1.92152476047746 5.4336e-06 deg
node 133.1047162838033 0.00015304 deg
peri 244.1552437913352 0.00015492 deg
M 64.293036892258 1.9773e-05 deg
tp 2458842.913555517802
(2019-Dec-25.41355552)
0.00011022 TDB
period 2002.256017697814
5.48
2.6749e-05
7.323e-08
d
yr
n .1797971871818503 2.402e-09 deg/d
Q 3.581650146709936 3.1899e-08 au
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      6297 days (17.24 yr)  
   first obs. used      2003-10-23  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47574  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 14:18:07  

Additional Information
 Earth MOID = 1.63724 au 
 Jupiter MOID = 1.88137 au 
 T_jup = 3.201 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457604.5 (2016-Aug-04.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1512449605028028 5.4194e-08  
q 2.642341529708014 1.6952e-07 au
tp 2456823.863701295286
(2014-Jun-15.36370130)
0.00011498 TDB
node 133.2862030526665 0.00015258 deg
peri 241.8491151689435 0.00015448 deg
i 1.921924526375506 5.4481e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      6297 days (17.24 yr)  
   first obs. used      2003-10-23  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47574  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 14:18:07  

Additional Information
 Jupiter MOID = 1.88137 au 
 T_jup = 3.201 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.936993804709838E-15 -9.099648241443881E-15 -2.617726494658529E-12 2.309702939639392E-14 -6.434140978456876E-13 -1.096857881817306E-15
q -9.099648241443881E-15 2.873540237259014E-14 7.656200817969116E-12 -7.426657788812172E-14 1.958706326307265E-12 3.710312882958781E-15
tp -2.617726494658529E-12 7.656200817969116E-12 1.322132533820784E-8 -6.057384913005034E-11 2.787959105048173E-9 -5.082878737480559E-13
node 2.309702939639392E-14 -7.426657788812172E-14 -6.057384913005034E-11 2.32792998128092E-8 -2.327900364765078E-8 6.733858063655863E-11
peri -6.434140978456876E-13 1.958706326307265E-12 2.787959105048173E-9 -2.327900364765078E-8 2.386284679333968E-8 -6.735466043765826E-11
i -1.096857881817306E-15 3.710312882958781E-15 -5.082878737480559E-13 6.733858063655863E-11 -6.735466043765826E-11 2.968232009064543E-11

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 1.8759623901864 1.87596189576587 1.87596288460694 2.09082833747935 1.86240058911684 2431911.687487395 2.76910082665139 136.394485349802 7.53234733885343 -88.7076644259568 2224705.17975964 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 14:18:08 2021-Feb-24 14:18
1956-Apr-15 14:42 00:02 Jupiter 1.96656549320976 1.96656466979311 1.96656631662663 2.60516675345364 2.43422896796891 2435579.112410695 2.32212072763955 105.004968098421 14.7839015415981 87.0488650268204 1754429.95543824 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 14:18:08 2021-Feb-24 14:18
2017-Mar-30 12:10 < 00:01 Jupiter 1.87109099389745 1.8710904882537 1.87109149954099 2.06909621035937 1.8373298312323 2457843.007167185 0.451115663419552 70.0589919349353 8.04515852605354 -85.4323280687196 2281291.1715377 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 14:18:08 2021-Feb-24 14:18
2027-Apr-15 10:29 < 00:01 Jupiter 1.99988667405953 1.999885893103 1.99988745501582 2.79220508686258 2.63615984601861 2461510.936921260 0.604889299002021 53.5093959476319 18.6276327912783 79.3978642306839 1752695.98739551 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 14:18:08 2021-Feb-24 14:18
2078-Mar-14 15:36 00:02 Jupiter 1.96973592535608 1.9697352015977 1.96973664911436 2.65246547654838 2.48506267168626 2480107.150238617 2.45428628985754 67.502585563635 12.4977548616586 -84.5308997804229 1718040.6470419 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 14:18:08 2021-Feb-24 14:18
2088-Mar-28 02:40 00:03 Jupiter 1.87172347117588 1.87172287110978 1.87172407124262 2.07482109826697 1.84385745347311 2483773.611086085 2.887882112589 158.527695495275 9.40498588015409 -89.3831154604485 2044139.22655352 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 14:18:08 2021-Feb-24 14:18
2149-Mar-14 01:57 00:05 Jupiter 1.93675522132822 1.93675414850097 1.93675629415613 2.47386095748285 2.29026330031042 2506038.581433580 5.22296761469075 114.018817671383 7.85420987140592 -87.3802448720021 1565709.41232031 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 14:18:08 2021-Feb-24 14:18
2159-Mar-28 01:41 00:06 Jupiter 1.88011291293921 1.88011203718451 1.88011378870277 2.11283135180215 1.88759705830752 2509704.570359289 5.65364991647427 296.307554547524 7.40643643539332 -89.3029726687734 1937551.02744477 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 14:18:08 2021-Feb-24 14:18

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