+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   117693 (2005 EF279) Classification: Main-belt Asteroid          SPK-ID: 2117693 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06910194431931098 4.4667e-08   a 2.295336565755912 1.0291e-08 au q 2.136724346194968 1.0102e-07 au i 6.812567445226257 4.5466e-06 deg node 165.9795602761513 3.5831e-05 deg peri 63.42825503414115 4.5494e-05 deg M 102.6226658289255 2.7876e-05 deg tp 2458638.416461261040 (2019-Jun-03.91646126) 9.815e-05 TDB period 1270.187954026866 3.48 8.5418e-06 2.339e-08 d yr n .283422621714129 1.906e-09 deg/d Q 2.453948785316856 1.1002e-08 au   Orbit Determination Parameters    # obs. used (total)      686      data-arc span      12846 days (35.17 yr)      first obs. used      1985-09-15      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57114      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:44:35   Additional Information  Earth MOID = 1.13756 au   Jupiter MOID = 2.52837 au   T_jup = 3.583  [ hide covariance matrix ] Orbital Elements at Epoch 2457563.5 (2016-Jun-24.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0683783633433787 4.4746e-08   q 2.138562577953766 1.0106e-07 au tp 2457368.141038088677 (2015-Dec-11.64103809) 9.8967e-05 TDB node 166.0314402331058 3.5841e-05 deg peri 63.50430980249252 4.5683e-05 deg i 6.811171889298696 4.5468e-06 deg   Orbit Determination Parameters    # obs. used (total)      686      data-arc span      12846 days (35.17 yr)      first obs. used      1985-09-15      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57114      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:44:35   Additional Information  Jupiter MOID = 2.52837 au   T_jup = 3.583  Orbit Covariance (6×6)   e q tp node peri i e 2.002202483073756E-15 -4.502530792845921E-15 -1.204533238674622E-12 1.45346875887584E-14 -3.441753718633331E-13 -2.499689032324304E-15 q -4.502530792845921E-15 1.021267490990847E-14 2.744859387268609E-12 -3.25705245000166E-14 7.872237628860933E-13 5.845958811223883E-15 tp -1.204533238674622E-12 2.744859387268609E-12 9.794385584868956E-9 7.047610954764955E-13 2.820474683167364E-9 3.597424950008126E-12 node 1.45346875887584E-14 -3.25705245000166E-14 7.047610954764955E-13 1.284565982814666E-9 -1.27494130145902E-9 5.717022665300164E-11 peri -3.441753718633331E-13 7.872237628860933E-13 2.820474683167364E-9 -1.27494130145902E-9 2.086973779540544E-9 -5.577298934859634E-11 i -2.499689032324304E-15 5.845958811223883E-15 3.597424950008126E-12 5.717022665300164E-11 -5.577298934859634E-11 2.067347443492051E-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 16.4   n/a MPO432681   117693 (2005 EF279)          Discovered 2005-Mar-09 by Mt. Lemmon Survey at Mt. Lemmon Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  2005 EF279 = 1996 VX22  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 22:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin