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118383 (1999 JE7)
Classification: Main-belt Asteroid          SPK-ID: 2118383
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1052107217513494 4.7193e-08  
a 2.631718251795737 1.3632e-08 au
q 2.354833275078108 1.2509e-07 au
i 13.60857652176823 5.1639e-06 deg
node 76.20843628118074 2.095e-05 deg
peri 96.07363089028554 3.269e-05 deg
M 17.78173385312454 2.3643e-05 deg
tp 2458923.475458736256
(2020-Mar-14.97545874)
0.00010247 TDB
period 1559.39994850813
4.27
1.2116e-05
3.317e-08
d
yr
n .230858029939279 1.7937e-09 deg/d
Q 2.908603228513366 1.5066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      960  
   data-arc span      7661 days (20.97 yr)  
   first obs. used      1999-05-08  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4945  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:20:02  

Additional Information
 Earth MOID = 1.40517 au 
 Jupiter MOID = 2.18706 au 
 T_jup = 3.352 
[ 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 15.2   n/a MPO233994  

118383 (1999 JE7)          Discovered 1999-May-08 by CSS at Catalina
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1999 JE7 = 2001 XQ71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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