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101842 (1999 JL69)
Classification: Main-belt Asteroid          SPK-ID: 2101842
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1724229715382332 4.4981e-08  
a 2.63457810445873 1.254e-08 au
q 2.18031631893839 1.2256e-07 au
i 9.92489348813673 4.6039e-06 deg
node 214.734742610445 2.2749e-05 deg
peri 294.8708071973075 2.8258e-05 deg
M 64.59354547960574 1.2906e-05 deg
tp 2458920.246098954583
(2020-Mar-11.74609895)		 5.6538e-05 TDB
period 1561.942507215443
4.28		 1.1152e-05
3.053e-08		 d
yr
n .2304822349971069 1.6456e-09 deg/d
Q 3.088839889979071 1.4702e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1115  
   data-arc span      7711 days (21.11 yr)  
   first obs. used      1999-04-07  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54466  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:57  

Additional Information
 Earth MOID = 1.21167 au 
 Jupiter MOID = 2.00063 au 
 T_jup = 3.356 
[ 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 15.12   n/a E2021B55  

101842 (1999 JL69)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1999 JL69 = 2001 SJ168 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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