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17987 (1999 JQ62)
Classification: Main-belt Asteroid          SPK-ID: 2017987
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06499961668935755 3.4561e-08  
a 3.071203234770274 1.7536e-08 au
q 2.871576201735091 1.1058e-07 au
i 10.32641935135505 3.8398e-06 deg
node 102.4709836778074 2.1514e-05 deg
peri 197.5442883766873 3.6889e-05 deg
M 347.1990754019031 3.0694e-05 deg
tp 2459466.403689827515
(2021-Sep-08.90368983)
0.0001677 TDB
period 1965.899271185984
5.38
1.6838e-05
4.61e-08
d
yr
n .1831223019798058 1.5684e-09 deg/d
Q 3.270830267805457 1.8676e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1380  
   data-arc span      9892 days (27.08 yr)  
   first obs. used      1994-07-08  
   last obs. used      2021-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54217  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 22:05:31  

Additional Information
 Earth MOID = 1.857 au 
 Jupiter MOID = 1.89372 au 
 T_jup = 3.203 
[ 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 14.08   n/a MPO636335  

17987 (1999 JQ62)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JQ62 = 1994 NO12 = 1998 FY84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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