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JPL Small-Body Database Browser
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393218 (2013 EH18)
Classification: Main-belt Asteroid          SPK-ID: 2393218
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03393886839543138 1.3034e-07  
a 3.12485641254674 8.9516e-08 au
q 3.018802322006696 4.4416e-07 au
i 13.99342610866819 9.8514e-06 deg
node 138.5526210737706 4.8618e-05 deg
peri 266.6182313104027 0.00014843 deg
M 208.9841157543508 0.00014544 deg
tp 2459846.876614858326
(2022-Sep-24.37661486)
0.00082752 TDB
period 2017.639289211231
5.52
8.6697e-05
2.374e-07
d
yr
n .1784263430658793 7.6669e-09 deg/d
Q 3.230910503086784 9.2554e-08 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      6289 days (17.22 yr)  
   first obs. used      2002-01-14  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69967  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:06:56  

Additional Information
 Earth MOID = 2.06345 au 
 Jupiter MOID = 1.92557 au 
 T_jup = 3.168 
[ 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 15.7   n/a MPO472037  

393218 (2013 EH18)          Discovered 2002-Jan-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ 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
1938-Nov-06 02:29 00:09 Jupiter 1.92401900435261 1.92401772971657 1.92402027905033 4.85004507347137 4.75840993672488 2429208.603779091 9.46057228554639 864.242893971048 46.1698652473535 87.2181442114059 1633127.93375918 T 9 CATAB v2.0e-lin.ifort 2019-Jul-14 15:06:58 2019-Jul-14 15:06
2021-Jul-16 06:57 < 00:01 Jupiter 1.9260967943775 1.92609578005844 1.92609780869646 4.86422826869233 4.77296494607089 2459411.789259462 0.94643522758997 144.768663911879 47.8054990249205 89.4661077063167 1780842.77916809 T 9 CATAB v2.0e-lin.ifort 2019-Jul-14 15:06:58 2019-Jul-14 15:06
2093-Nov-17 13:01 00:10 Jupiter 1.99788208164545 1.99787970117362 1.99788446219711 4.45239965780069 4.35613846013356 2485834.042640877 10.2410617582317 751.24725755851 56.6458464523857 81.1071048747124 1328951.16047857 T 9 CATAB v2.0e-lin.ifort 2019-Jul-14 15:06:58 2019-Jul-14 15:06
2104-Mar-26 04:55 00:11 Jupiter 1.95787926465262 1.95787664203158 1.9578818874189 4.85570012525676 4.76577158653978 2489614.704556368 10.8169436554223 907.392462658265 41.2436296919507 -82.1103835723446 1976619.19845591 T 9 CATAB v2.0e-lin.ifort 2019-Jul-14 15:06:58 2019-Jul-14 15:06
2176-Jul-22 21:43 00:20 Jupiter 1.96049453180606 1.96049108006803 1.96049798403632 4.61459102630929 4.51999553883232 2516031.405110902 20.4748151650733 1664.98431491872 52.7299264962893 83.713334290677 1447125.15651354 T 9 CATAB v2.0e-lin.ifort 2019-Jul-14 15:06:58 2019-Jul-14 15:06
2186-Dec-04 19:31 00:21 Jupiter 1.99461067057765 1.99460414527326 1.99461719632501 4.79071881540569 4.70124192567846 2519818.312975501 20.9872208093623 1543.71694803676 41.4614916821646 -77.6557488359075 2107347.37588746 T 9 CATAB v2.0e-lin.ifort 2019-Jul-14 15:06:58 2019-Jul-14 15:06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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