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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1051301444689788 4.7221e-08  
a 2.631714558921035 1.3463e-08 au
q 2.355042027140552 1.2508e-07 au
i 13.60843030247881 5.1231e-06 deg
node 76.20802657565925 2.0949e-05 deg
peri 96.12163003513092 3.262e-05 deg
M 63.91812158508716 2.3444e-05 deg
tp 2458923.628595243804
(2020-Mar-15.12859524)		 0.00010177 TDB
period 1559.396666241917
4.27		 1.1966e-05
3.276e-08		 d
yr
n .2308585158563828 1.7715e-09 deg/d
Q 2.908387090701519 1.4879e-08 au
   Orbit Determination Parameters
   # obs. used (total)      983  
   data-arc span      7683 days (21.03 yr)  
   first obs. used      1999-05-08  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49589  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:11:55  

Additional Information
 Earth MOID = 1.40487 au 
 Jupiter MOID = 2.18606 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 15.22   n/a E2021B55  

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

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