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117631 (2005 EM124)
Classification: Main-belt Asteroid          SPK-ID: 2117631
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .158621241632214 4.3138e-08  
a 2.336727522603304 1.1102e-08 au
q 1.9660729016118 1.0242e-07 au
i 2.76070250549743 5.3264e-06 deg
node 32.02934570606071 9.3538e-05 deg
peri 99.14586251165916 9.5564e-05 deg
M 133.4285955164577 1.6933e-05 deg
tp 2458516.932670681415
(2019-Feb-02.43267068)
6.1147e-05 TDB
period 1304.69962515058
3.57
9.2984e-06
2.546e-08
d
yr
n .2759255793903145 1.9665e-09 deg/d
Q 2.707382143594807 1.2863e-08 au
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      8239 days (22.56 yr)  
   first obs. used      1996-10-16  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55787  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:54:56  

Additional Information
 Earth MOID = .982894 au 
 Jupiter MOID = 2.33602 au 
 T_jup = 3.549 
[ 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 16.8   n/a MPO266405  

117631 (2005 EM124)          Discovered 2005-Mar-08 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 EM124 = 1998 HR80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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