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91359 (1999 JE66)
Classification: Main-belt Asteroid          SPK-ID: 2091359
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1872115435516807 3.5358e-08  
a 2.71208967086626 1.5858e-08 au
q 2.204355177332817 1.0026e-07 au
i 12.63095093649858 4.6998e-06 deg
node 185.025613006737 1.6917e-05 deg
peri 91.70344611917641 2.1451e-05 deg
M 299.8411538462502 1.5534e-05 deg
tp 2459669.116094009213
(2022-Mar-30.61609401)
7.1577e-05 TDB
period 1631.377596446795
4.47
1.4309e-05
3.918e-08
d
yr
n .2206723941680297 1.9355e-09 deg/d
Q 3.219824164399701 1.8827e-08 au
  Orbit Determination Parameters
   # obs. used (total)      691  
   data-arc span      8110 days (22.20 yr)  
   first obs. used      1999-03-25  
   last obs. used      2021-06-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56009  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:40:24  

Additional Information
 Earth MOID = 1.23248 au 
 Jupiter MOID = 2.04868 au 
 T_jup = 3.303 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.42   n/a MPO637242  

91359 (1999 JE66)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 JE66 = 2000 RQ75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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