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277862 (2006 JK20)
Classification: Main-belt Asteroid          SPK-ID: 2277862
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04406474137555553 6.1043e-08  
a 2.966123759107159 3.7948e-08 au
q 2.835422282774211 1.8242e-07 au
i 10.36572329191098 6.2685e-06 deg
node 170.7057210273299 3.3558e-05 deg
peri 49.35684069193863 8.0481e-05 deg
M 283.5054743343957 7.347e-05 deg
tp 2459396.969865568311
(2021-Jul-01.46986557)
0.00038386 TDB
period 1865.874065662324
5.11
3.5807e-05
9.803e-08
d
yr
n .1929390662666249 3.7026e-09 deg/d
Q 3.096825235440106 3.962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      8124 days (22.24 yr)  
   first obs. used      1997-09-23  
   last obs. used      2019-12-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55362  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:15:16  

Additional Information
 Earth MOID = 1.84203 au 
 Jupiter MOID = 1.88188 au 
 T_jup = 3.238 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457124.5 (2015-Apr-12.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04617469325010151 6.0874e-08  
q 2.831171596467022 1.8314e-07 au
tp 2457525.211192707872
(2016-May-16.71119271)
0.00035366 TDB
node 170.7404220150644 3.3582e-05 deg
peri 48.18380569003267 7.7479e-05 deg
i 10.35917438836693 6.2641e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      8124 days (22.24 yr)  
   first obs. used      1997-09-23  
   last obs. used      2019-12-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55362  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:15:16  

Additional Information
 Jupiter MOID = 1.88188 au 
 T_jup = 3.238 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.705634034517969E-15 -1.09267000397843E-14 1.773971891968253E-13 2.316793590799395E-14 5.857228249900823E-16 -5.276112336779556E-15
q -1.09267000397843E-14 3.35390375375699E-14 3.979518087558279E-12 -7.573826598159554E-14 8.358204762943697E-13 1.621338228255942E-14
tp 1.773971891968253E-13 3.979518087558279E-12 1.250776710348838E-7 -2.951253828891555E-12 2.473274413024993E-8 1.192020678984442E-12
node 2.316793590799395E-14 -7.573826598159554E-14 -2.951253828891555E-12 1.127776755040664E-9 -1.109696809507271E-9 4.833984001518719E-11
peri 5.857228249900823E-16 8.358204762943697E-13 2.473274413024993E-8 -1.109696809507271E-9 6.002954799423179E-9 -4.739044566298061E-11
i -5.276112336779556E-15 1.621338228255942E-14 1.192020678984442E-12 4.833984001518719E-11 -4.739044566298061E-11 3.923944865526294E-11

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 15.9   n/a MPO418478  

277862 (2006 JK20)          Discovered 2006-May-02 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ 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
1916-Jun-24 13:58 00:06 Jupiter 1.88228412532261 1.88228340345059 1.88228484721058 3.83562133371889 3.71644947365892 2421039.081966754 5.6257966907398 438.643807466737 24.5723923523835 86.0748106137381 2276332.33602773 T 18 CATAB v2.0f-lin.ifort 2020-Nov-11 21:15:16 2020-Nov-11 21:15
1952-May-15 14:36 00:04 Jupiter 1.89905277722475 1.89905185195146 1.89905370250636 3.68883192079458 3.565870661125 2434148.108546250 3.62452536243627 258.046275904031 25.037661599269 80.6460589689246 2199601.85127641 T 18 CATAB v2.0f-lin.ifort 2020-Nov-11 21:15:16 2020-Nov-11 21:15
1988-Apr-09 09:36 00:02 Jupiter 1.93581285523012 1.93581206167139 1.93581364878973 3.53784499559014 3.41192604840537 2447260.899934398 1.63501216426889 109.132316701832 25.9182569853863 74.604310246628 2198832.69120186 T 18 CATAB v2.0f-lin.ifort 2020-Nov-11 21:15:16 2020-Nov-11 21:15
2024-Mar-12 12:19 < 00:01 Jupiter 1.98866448089347 1.98866386389712 1.98866509788983 3.39093436647065 3.2629105530991 2460382.013114828 0.569027622487717 59.3772243843876 24.2133495996163 80.5091561779527 2214356.35923066 T 18 CATAB v2.0f-lin.ifort 2020-Nov-11 21:15:16 2020-Nov-11 21:15
2140-Sep-30 00:38 00:07 Jupiter 1.97614941120231 1.97614711986361 1.9761517025828 4.24764678035227 4.14551055369837 2502951.526408921 6.57008996492217 487.124512982891 25.7078534541138 -77.3193767337307 2793073.95052767 T 18 CATAB v2.0f-lin.ifort 2020-Nov-11 21:15:16 2020-Nov-11 21:15
2176-Aug-23 16:46 00:08 Jupiter 1.93471717806101 1.93471503052846 1.93471932567318 4.16812767868948 4.06173422297206 2516063.198572318 8.3474951369052 657.656713063089 25.1099927933941 -81.5720708229366 2643917.94809123 T 18 CATAB v2.0f-lin.ifort 2020-Nov-11 21:15:16 2020-Nov-11 21:15

Alternate Designations
 2006 JK20 = 1997 SJ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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