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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.arcLast 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 ]
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