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101822 (1999 JE17)
Classification: Main-belt Asteroid          SPK-ID: 2101822
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08077179614467796 4.3814e-08  
a 2.234541671660601 8.3062e-09 au
q 2.054053727280443 9.6183e-08 au
i 8.077933800924306 4.023e-06 deg
node 97.60798880932877 2.8872e-05 deg
peri 134.0013007399959 3.5518e-05 deg
M 171.3456890215941 2.1057e-05 deg
tp 2458619.800040676186
(2019-May-16.30004068)
7.092e-05 TDB
period 1220.059789950286
3.34
6.8027e-06
1.862e-08
d
yr
n .295067506498734 1.6452e-09 deg/d
Q 2.415029616040759 8.9771e-09 au
  Orbit Determination Parameters
   # obs. used (total)      587  
   data-arc span      7938 days (21.73 yr)  
   first obs. used      1999-05-10  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5306  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:47  

Additional Information
 Earth MOID = 1.04917 au 
 Jupiter MOID = 2.58925 au 
 T_jup = 3.622 
[ 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 16.5   n/a MPO432544  

101822 (1999 JE17)          Discovered 1999-May-15 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 JE17 = 2002 FY21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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