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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08086129081164012 4.4222e-08  
a 2.234491781519418 8.4536e-09 au
q 2.053807891757756 9.7325e-08 au
i 8.077980439768183 4.1749e-06 deg
node 97.60723375226085 2.9057e-05 deg
peri 134.0518732737029 3.6282e-05 deg
M 112.2681329811214 2.1707e-05 deg
tp 2458620.029868084079
(2019-May-16.52986808)
7.3391e-05 TDB
period 1220.018930151479
3.34
6.9234e-06
1.896e-08
d
yr
n .2950773886396188 1.6745e-09 deg/d
Q 2.415175671281079 9.1371e-09 au
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      7836 days (21.45 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:19  

Additional Information
 Earth MOID = 1.05032 au 
 Jupiter MOID = 2.5903 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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