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JPL Small-Body Database Browser
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379816 (2011 KT20)
Classification: Main-belt Asteroid          SPK-ID: 2379816
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .143183958394963 7.7346e-08  
a 2.741930444387687 4.4084e-08 au
q 2.349329989716598 2.1459e-07 au
i 4.330208568652382 6.395e-06 deg
node 74.67703870230193 0.00014134 deg
peri 56.58794553159141 0.00014592 deg
M 358.6253834672684 3.7152e-05 deg
tp 2458606.832309589305
(2019-May-03.33230959)
0.0001712 TDB
period 1658.376280124988
4.54
3.9995e-05
1.095e-07
d
yr
n .2170798052977866 5.2353e-09 deg/d
Q 3.134530899058776 5.0397e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      5197 days (14.23 yr)  
   first obs. used      2004-10-23  
   last obs. used      2019-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:06:54  

Additional Information
 Earth MOID = 1.36782 au 
 Jupiter MOID = 1.92238 au 
 T_jup = 3.330 
[ 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 16.6   n/a MPO418933  

379816 (2011 KT20)          Discovered 2004-Oct-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1926-Mar-21 14:36 00:06 Jupiter 1.96459132945835 1.9645898830114 1.96459277591346 2.26215048934047 2.06277387786803 2424596.108447234 6.16904611369964 278.822420969738 24.9107185158622 -85.5995611561551 1442733.15657136 T 15 CATAB v2.0e-lin.ifort 2019-Jul-14 14:06:57 2019-Jul-14 14:06
1963-Mar-16 06:36 00:04 Jupiter 1.97907468690866 1.97907310575141 1.97907626806815 2.65479430506304 2.48836381567925 2438104.774921217 3.62164182439888 201.958124409306 21.1451199888947 84.7701996007373 947484.29182912 T 15 CATAB v2.0e-lin.ifort 2019-Jul-14 14:06:57 2019-Jul-14 14:06
2022-Jan-18 04:21 < 00:01 Jupiter 1.92533274934409 1.92533183105737 1.92533366763006 2.29052585490562 2.08965006416915 2459597.681231053 0.59965743715871 87.8200868525488 10.071753405204 88.5974556127335 1094591.34340126 T 15 CATAB v2.0e-lin.ifort 2019-Jul-14 14:06:57 2019-Jul-14 14:06
2080-Nov-22 14:01 00:05 Jupiter 1.92072075050794 1.92071979186175 1.92072170915696 2.16389770555216 1.94947922487769 2481091.083783317 4.60267607566079 256.432113990745 22.2957758707413 -85.881240164 1253077.81468682 T 15 CATAB v2.0e-lin.ifort 2019-Jul-14 14:06:57 2019-Jul-14 14:06
2139-Sep-29 13:33 00:09 Jupiter 1.96706616059461 1.96706354226464 1.96706877894304 2.27224157429372 2.07409688317995 2502585.064420404 8.69036652802646 372.73797910281 27.1841109212059 -82.7290636400946 1413531.54757658 T 15 CATAB v2.0e-lin.ifort 2019-Jul-14 14:06:57 2019-Jul-14 14:06
2176-Sep-22 16:13 00:11 Jupiter 1.96075068287632 1.96074799904267 1.96075336676504 2.56443570719628 2.39005286793026 2516093.175438177 11.2940162785932 613.75412271551 16.8673704779557 88.5677756652098 974935.693943958 T 15 CATAB v2.0e-lin.ifort 2019-Jul-14 14:06:57 2019-Jul-14 14:06

Alternate Designations
 2011 KT20 = 2010 AT39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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