Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
379667 (2011 EN78)
Classification: Main-belt Asteroid          SPK-ID: 2379667
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 .1306775572469421 7.0895e-08  
a 3.161340039292226 5.6841e-08 au
q 2.748223845330565 2.1279e-07 au
i 2.475687286351685 6.8828e-06 deg
node 76.67333243166108 0.00019554 deg
peri 170.9633525113857 0.00019818 deg
M 183.3235417039857 3.4302e-05 deg
tp 2460008.084385279547
(2023-Mar-04.58438528)
0.00020663 TDB
period 2053.077032441395
5.62
5.5371e-05
1.516e-07
d
yr
n .1753465624092584 4.7291e-09 deg/d
Q 3.574456233253886 6.4269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      5379 days (14.73 yr)  
   first obs. used      2005-02-09  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59611  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 00:18:46  

Additional Information
 Earth MOID = 1.73452 au 
 Jupiter MOID = 1.45161 au 
 T_jup = 3.190 
[ 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 16.2   n/a MPO455732  

379667 (2011 EN78)          Discovered 2005-Feb-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ 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
1930-Dec-01 02:18 00:08 Jupiter 1.75933205169049 1.7593273257774 1.75933677759428 2.21252414656457 1.98302094803733 2426311.595677486 7.82005899639683 198.566464374844 23.96521281889 -72.5537814141859 583266.506690179 T 15 CATAB v2.0f-lin.ifort 2019-Dec-05 00:18:49 2019-Dec-05 00:18
1941-Jul-21 12:26 00:07 Jupiter 1.49459802234152 1.49459630942945 1.49459973525088 1.47755635555559 1.02456211727062 2430197.018379829 6.49492805459342 328.181722000114 198.006827485098 29.7544208082349 848081.639955457 T 15 CATAB v2.0f-lin.ifort 2019-Dec-05 00:18:49 2019-Dec-05 00:18
1952-Mar-12 10:34 00:05 Jupiter 1.56077963202679 1.56077771659164 1.56078154748784 1.8450237196932 1.52273722612397 2434083.940022977 5.42071865387794 434.779469269544 55.6236896812716 77.0417465979298 1233191.3493397 T 15 CATAB v2.0f-lin.ifort 2019-Dec-05 00:18:49 2019-Dec-05 00:18
1962-Oct-21 02:01 00:04 Jupiter 1.89647940927097 1.89647678927092 1.89648202927533 3.32209998619845 3.18482189686359 2437958.583813992 4.29866780618403 209.180488078813 36.8726320925713 -64.1073094346627 1346750.78283654 T 15 CATAB v2.0f-lin.ifort 2019-Dec-05 00:18:49 2019-Dec-05 00:18
2038-Jan-20 02:30 00:02 Jupiter 1.83981344357374 1.83981235117039 1.83981453597689 2.44425030684651 2.24801902986103 2465443.604174388 2.02295208586964 98.4197258480527 18.5245558549718 -80.6743917870837 1349423.21537546 T 15 CATAB v2.0f-lin.ifort 2019-Dec-05 00:18:49 2019-Dec-05 00:18
2048-Sep-07 23:29 00:03 Jupiter 1.53209806706413 1.53209725871628 1.53209887541127 1.54086016569056 1.12629805540701 2469327.478648626 3.15672597667356 173.543566842405 158.797672112677 -89.3970365916039 1201881.05149293 T 15 CATAB v2.0f-lin.ifort 2019-Dec-05 00:18:49 2019-Dec-05 00:18
2059-May-01 21:56 00:04 Jupiter 1.52888295637587 1.52888135196797 1.52888456079655 1.70344736686569 1.33929272093866 2473215.413989524 4.48998951578284 368.683824063216 96.0699511220614 67.0067138401212 1103077.82735359 T 15 CATAB v2.0f-lin.ifort 2019-Dec-05 00:18:49 2019-Dec-05 00:18
2069-Dec-09 10:03 00:06 Jupiter 1.82474254497186 1.82473935162087 1.82474573833344 3.01087839998807 2.85254516521273 2477089.918603144 5.63693072346155 290.807414108418 31.1208571688078 -69.7031255590692 1373536.07075599 T 15 CATAB v2.0f-lin.ifort 2019-Dec-05 00:18:49 2019-Dec-05 00:18
2145-Mar-02 06:50 00:12 Jupiter 1.91128851465785 1.91128206665059 1.91129496266755 2.65769340492219 2.48535663417387 2504565.784614861 11.6552355074315 364.15508498786 38.9921959356514 -58.8748624064673 861185.218494648 T 15 CATAB v2.0f-lin.ifort 2019-Dec-05 00:18:49 2019-Dec-05 00:18
2155-Oct-21 04:54 00:13 Jupiter 1.58206083626039 1.58205654899303 1.5820651235228 1.63670710927551 1.2680798136069 2508450.704036815 12.833265006296 436.103232693903 120.642847932206 58.503917060492 740821.010205221 T 15 CATAB v2.0f-lin.ifort 2019-Dec-05 00:18:49 2019-Dec-05 00:18
2166-Jun-11 19:57 00:14 Jupiter 1.51352713937744 1.51352432758033 1.51352995122934 1.61407938691111 1.21900885590804 2512337.331465545 14.1781678720588 823.363381414385 133.256408806452 53.7103399668161 975439.934039876 T 15 CATAB v2.0f-lin.ifort 2019-Dec-05 00:18:49 2019-Dec-05 00:18
2177-Jan-19 10:05 00:16 Jupiter 1.76943450217163 1.76942627844699 1.76944272601294 2.75762928064862 2.57820204465852 2516211.920264696 15.6305101358183 867.826264502103 24.3286238333478 -75.3814262173865 1377261.75152236 T 15 CATAB v2.0f-lin.ifort 2019-Dec-05 00:18:49 2019-Dec-05 00:18

Alternate Designations
 2011 EN78 = 2007 TU308 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-25 21:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin