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423313 (2005 EF238)
Classification: Main-belt Asteroid          SPK-ID: 2423313
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07313221849773463 6.5518e-08  
a 3.069675663602354 5.9203e-08 au
q 2.845183472254608 2.1323e-07 au
i 9.890936432818767 9.8731e-06 deg
node 14.72509639767059 4.0643e-05 deg
peri 100.035844588359 9.0631e-05 deg
M 357.3824167595837 8.2695e-05 deg
tp 2459014.783517267320
(2020-Jun-14.28351727)
0.00045147 TDB
period 1964.43273965084
5.38
5.6831e-05
1.556e-07
d
yr
n .1832590104683282 5.3016e-09 deg/d
Q 3.294167854950099 6.3533e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      4936 days (13.51 yr)  
   first obs. used      2005-03-11  
   last obs. used      2018-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .72152  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 13:14:33  

Additional Information
 Earth MOID = 1.88269 au 
 Jupiter MOID = 1.79559 au 
 T_jup = 3.204 
[ 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 MPO456022  

423313 (2005 EF238)          Discovered 2005-Mar-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-02-04

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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
1926-Nov-16 12:35 00:08 Jupiter 1.84723933518634 1.84723811300888 1.84724055737094 3.41815721583008 3.28126960769818 2424836.024250380 8.16653355460894 289.740750462994 48.5817825372552 -76.7610392179719 1314118.0114981 T 16 CATAB v2.0e-lin.ifort 2018-Oct-03 13:14:35 2018-Dec-18 03:05
1976-Mar-23 06:52 00:03 Jupiter 1.9910153400324 1.9910131283401 1.99101755172538 4.35560922842057 4.25681652873664 2442860.785838534 3.47683066779887 142.769877813795 70.5640078012301 -52.1069234167175 1193970.95865529 T 16 CATAB v2.0e-lin.ifort 2018-Oct-03 13:14:35 2018-Dec-18 03:05
1985-Dec-29 06:52 00:03 Jupiter 1.86440717183962 1.86440634707799 1.86440799660126 3.30873509667134 3.16845450933915 2446428.786374986 2.87067283242081 121.250565070348 40.7197983718258 -89.7183037637922 1333216.27703213 T 16 CATAB v2.0e-lin.ifort 2018-Oct-03 13:14:35 2018-Dec-18 03:05
2035-May-08 19:42 00:02 Jupiter 1.94772346204923 1.94772252892004 1.94772439517876 4.25811256392376 4.15472816961211 2464456.320827097 1.70124983339208 122.85478068393 36.8656766759355 -80.0070937855038 1682081.38094045 T 16 CATAB v2.0e-lin.ifort 2018-Oct-03 13:14:35 2018-Dec-18 03:05
2045-Feb-08 17:45 00:03 Jupiter 1.88723294326073 1.88723170374773 1.88723418277362 3.20958123171263 3.06655790387932 2468020.239562320 2.64365882846591 104.092845786904 61.8128964482737 89.5721253800211 1578000.67129736 T 16 CATAB v2.0e-lin.ifort 2018-Oct-03 13:14:35 2018-Dec-18 03:05
2094-Jun-22 21:50 00:07 Jupiter 1.90742755173509 1.90742555810259 1.90742954536749 4.16456126997724 4.05653051724887 2486051.409440742 6.8003287256929 147.082064965248 93.1225618514171 79.8806695501595 1397548.96574123 T 16 CATAB v2.0e-lin.ifort 2018-Oct-03 13:14:35 2018-Dec-18 03:05
2104-Mar-22 18:41 00:08 Jupiter 1.91477650643661 1.91477377424536 1.91477923862895 3.12713355190572 2.98232160956651 2489611.278404607 8.11304269636731 158.319363067366 95.672945865533 -14.6442818895051 1523113.35367172 T 16 CATAB v2.0e-lin.ifort 2018-Oct-03 13:14:35 2018-Dec-18 03:05
2153-Aug-08 11:47 00:12 Jupiter 1.87161998602248 1.8716168932513 1.87162307880281 4.07590852037284 3.96332031790617 2507646.991133739 11.8961714519866 303.854674353131 88.3283962628649 66.3613142889377 1355463.9761282 T 16 CATAB v2.0e-lin.ifort 2018-Oct-03 13:14:35 2018-Dec-18 03:05
2163-May-04 10:57 00:14 Jupiter 1.9456690886397 1.94566446711691 1.94567371016503 3.06757987613939 2.9222203036692 2511202.956291626 13.6071917870676 260.335388367324 90.3095829770359 -2.65173963179642 1614600.12459383 T 16 CATAB v2.0e-lin.ifort 2018-Oct-03 13:14:35 2018-Dec-18 03:05

Alternate Designations
 2005 EF238 = 2008 UC240 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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