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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14291768546374 6.4385e-08  
a 2.741640087636316 3.6744e-08 au
q 2.349811231936728 1.6412e-07 au
i 4.33009231109027 6.3283e-06 deg
node 74.67644363152385 0.00010897 deg
peri 56.62170989388442 0.00011443 deg
M 85.4577301399833 3.7455e-05 deg
tp 2458606.892883661464
(2019-May-03.39288366)
0.00016761 TDB
period 1658.112866440107
4.54
3.3333e-05
9.126e-08
d
yr
n .2171142913647993 4.3647e-09 deg/d
Q 3.133468943335904 4.1995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      5665 days (15.51 yr)  
   first obs. used      2004-10-23  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64596  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:30:52  

Additional Information
 Earth MOID = 1.36789 au 
 Jupiter MOID = 1.92176 au 
 T_jup = 3.331 
[ 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 00:05 Jupiter 1.96459137813672 1.96459036203556 1.96459239424369 2.26215094953183 2.06277438771786 2424596.108173454 5.26274428916413 239.404285233327 20.9049457860746 -85.0832311195078 1996555.75168445 T 16 CATAB v2.0f-lin.ifort 2020-May-22 00:31:01 2020-May-22 00:31
1963-Mar-16 06:36 00:03 Jupiter 1.97907472704597 1.97907315297901 1.97907630111468 2.65479390591136 2.48836339331914 2438104.774757317 3.09556630691973 165.62215661742 17.7597953751081 82.7805848743046 1115563.64101184 T 16 CATAB v2.0f-lin.ifort 2020-May-22 00:31:01 2020-May-22 00:31
2022-Jan-18 04:21 < 00:01 Jupiter 1.92533281346717 1.9253320072979 1.92533361963589 2.29052579528786 2.08965000583211 2459597.681230834 0.436647792585785 85.2186212645151 6.9946557004079 87.611449565235 1343343.98499613 T 16 CATAB v2.0f-lin.ifort 2020-May-22 00:31:01 2020-May-22 00:31
2080-Nov-22 14:01 00:04 Jupiter 1.92072073385663 1.92071978170318 1.92072168601389 2.16389770983168 1.94947922766682 2481091.083964436 3.72833699304611 216.02636207626 17.0790995673876 -87.5883976109702 1740640.17548851 T 16 CATAB v2.0f-lin.ifort 2020-May-22 00:31:01 2020-May-22 00:31
2139-Sep-29 13:33 00:07 Jupiter 1.96706596955655 1.96706361748639 1.96706832163845 2.27224124956589 2.07409650726722 2502585.064760825 7.11892567514425 306.030589890698 22.3265332415263 -83.2513179346276 1687244.91481178 T 16 CATAB v2.0f-lin.ifort 2020-May-22 00:31:01 2020-May-22 00:31
2176-Sep-22 16:13 00:09 Jupiter 1.9607509441572 1.96074908080563 1.96075280754967 2.56443676385302 2.39005402576785 2516093.175903822 9.33420379036695 522.524570239207 12.5023647457441 89.0658528607126 1397001.7675029 T 16 CATAB v2.0f-lin.ifort 2020-May-22 00:31:01 2020-May-22 00:31

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