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21268 (1996 KL1)
Classification: Main-belt Asteroid          SPK-ID: 2021268
[ 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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2971714241217294 4.0688e-08  
a 3.104482674597379 1.6331e-08 au
q 2.18191913702604 1.2535e-07 au
i 17.96017000835242 3.8052e-06 deg
node 125.6216290105449 1.5844e-05 deg
peri 141.3287883861055 1.6488e-05 deg
M 161.9173645150942 6.6205e-06 deg
tp 2458301.885932252000
(2018-Jul-02.38593225)		 3.4395e-05 TDB
period 1997.939290564
5.47		 1.5765e-05
4.316e-08		 d
yr
n .1801856551398893 1.4218e-09 deg/d
Q 4.027046212168718 2.1184e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1024  
   data-arc span      10757 days (29.45 yr)  
   first obs. used      1991-08-07  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51277  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:42:44  

Additional Information
 Earth MOID = 1.1919 au 
 Jupiter MOID = 1.34727 au 
 T_jup = 3.079 
[ 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 13.7   n/a MPO502325  

21268 (1996 KL1)          Discovered 1996-May-22 by Spahr, T. B. at Catalina Station
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1996 KL1 = 1991 PG29 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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