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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 | 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 .1872640019731781 4.0051e-08  
a 2.712875530588908 1.8601e-08 au
q 2.20485160187572 1.0917e-07 au
i 12.62807445010123 4.8446e-06 deg
node 185.0350816487231 2.1072e-05 deg
peri 91.59239871502122 2.4782e-05 deg
M 212.6002072645419 1.5321e-05 deg
tp 2459668.747898223536
(2022-Mar-30.24789822)
7.2774e-05 TDB
period 1632.086713936079
4.47
1.6786e-05
4.596e-08
d
yr
n .2205765152831821 2.2686e-09 deg/d
Q 3.220899459302096 2.2084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      576  
   data-arc span      7618 days (20.86 yr)  
   first obs. used      1999-03-25  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58369  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:28:31  

Additional Information
 Earth MOID = 1.23313 au 
 Jupiter MOID = 2.04923 au 
 T_jup = 3.302 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457040.5 (2015-Jan-18.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .188990647255078 3.9916e-08  
q 2.198269788224736 1.0882e-07 au
tp 2456405.746861363294
(2013-Apr-23.24686136)
6.1685e-05 TDB
node 185.0853951025578 2.1085e-05 deg
peri 91.55439683621393 2.4737e-05 deg
i 12.62742624748598 4.8447e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      576  
   data-arc span      7618 days (20.86 yr)  
   first obs. used      1999-03-25  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58369  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:28:31  

Additional Information
 Jupiter MOID = 2.04923 au 
 T_jup = 3.302 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.593282223465333E-15 -4.302529569453757E-15 -4.260282853859055E-13 2.667202926392777E-15 -8.838601752654911E-14 1.099385579812416E-15
q -4.302529569453757E-15 1.18423719228788E-14 1.215387847446253E-12 -6.214492705533589E-15 2.687027473967119E-13 -1.746542919624136E-15
tp -4.260282853859055E-13 1.215387847446253E-12 3.805089866890427E-9 -6.324491867160433E-12 8.19745423705214E-10 2.002245406437102E-12
node 2.667202926392777E-15 -6.214492705533589E-15 -6.324491867160433E-12 4.445715395081483E-10 -4.348462893667596E-10 1.337417174122847E-11
peri -8.838601752654911E-14 2.687027473967119E-13 8.19745423705214E-10 -4.348462893667596E-10 6.119291675006563E-10 -1.261632787631233E-11
i 1.099385579812416E-15 -1.746542919624136E-15 2.002245406437102E-12 1.337417174122847E-11 -1.261632787631233E-11 2.347118847629784E-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 15.3   n/a MPO417450  

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

[ show close-approach data ]
Alternate Designations
 1999 JE66 = 2000 RQ75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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