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266755 (2009 SK84)
Classification: Main-belt Asteroid          SPK-ID: 2266755
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1567331424800717 4.8433e-08  
a 3.1309952251204 3.1548e-08 au
q 2.64026450439718 1.5114e-07 au
i 1.995755836634339 6.6916e-06 deg
node 141.7213484983234 0.00016447 deg
peri 159.3733255307554 0.00016651 deg
M 15.24017909251365 2.3463e-05 deg
tp 2458914.833779912962
(2020-Mar-06.33377991)
0.00013223 TDB
period 2023.58771797392
5.54
3.0584e-05
8.373e-08
d
yr
n .1779018506597991 2.6888e-09 deg/d
Q 3.62172594584362 3.6492e-08 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      8073 days (22.10 yr)  
   first obs. used      1998-09-13  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56055  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:23:40  

Additional Information
 Earth MOID = 1.62488 au 
 Jupiter MOID = 1.60702 au 
 T_jup = 3.193 
[ 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 16.1   n/a MPO437228  

266755 (2009 SK84)          Discovered 2005-Dec-25 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ 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
1904-Jul-25 10:13 00:06 Jupiter 1.98631044467115 1.98630805959126 1.98631282976392 3.88285824602912 3.77143580149717 2416686.925409851 5.64230032077333 296.083579067537 29.8175773156447 -71.8526861414021 1987365.29297625 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:40 2020-Nov-11 22:23
1967-Aug-13 21:55 00:03 Jupiter 1.77778095198049 1.7777797724113 1.77778213154927 1.96887011674703 1.70983943916505 2439716.413311607 2.55042670164803 119.692742487195 17.5636034490614 -88.3102514974848 1276517.14000951 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:40 2020-Nov-11 22:23
1977-Dec-19 04:00 00:02 Jupiter 1.63136476307376 1.63136433190213 1.6313651942452 1.73570485693392 1.40507984391704 2443496.666544321 1.97616531485511 89.752167094575 40.8024638630536 86.7749177618925 2381663.52880122 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:40 2020-Nov-11 22:23
1988-Apr-15 19:17 00:01 Jupiter 1.8511478830792 1.85114711897985 1.85114864717844 3.07623955018941 2.92371639730171 2447267.303438502 1.39064045892139 75.6625505900106 23.4395459593338 -84.1144638361834 1888922.88071541 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:40 2020-Nov-11 22:23
2051-May-02 18:37 00:02 Jupiter 1.90691525536906 1.90691409553269 1.90691641520531 2.3802773905072 2.18571524306037 2470294.275637117 1.8033943826158 99.1015902571616 13.1244594530365 -80.9271464285032 1343973.93344162 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:40 2020-Nov-11 22:23
2061-Sep-11 19:31 00:02 Jupiter 1.64840437794644 1.64840394305971 1.64840481283269 1.65310210595348 1.30577899936879 2474079.313534029 2.45378853547813 127.497413789273 53.6216948504904 -82.6220214456857 2201545.6301773 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:40 2020-Nov-11 22:23
2072-Jan-13 01:05 00:03 Jupiter 1.73558771284684 1.73558624365823 1.73558918203526 2.37576227463844 2.16059764557999 2477854.545187998 3.115979355422 112.573324292539 8.8799135292447 -88.3674304870817 1183465.27799239 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:40 2020-Nov-11 22:23
2145-Jun-07 22:32 00:07 Jupiter 1.72990868967198 1.72990665053363 1.7299107288173 1.81601084822864 1.52270382323249 2504663.438968841 6.80007367215059 274.111016267321 37.1833791255888 84.6569759962777 1285614.49110314 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:40 2020-Nov-11 22:23
2155-Oct-13 17:32 00:08 Jupiter 1.66824459158727 1.66824298244379 1.66824620072582 1.91068332357949 1.62334381482799 2508443.230548425 7.58658887169048 132.332310273739 71.3340506136964 36.0527984718539 556087.894703421 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:40 2020-Nov-11 22:23
2166-Feb-12 11:03 00:08 Jupiter 1.93119632452895 1.93119256884382 1.93120008023405 3.50840803352016 3.38108372103431 2512217.960120264 7.89854883684812 376.145995564784 29.3358456905289 -68.9806862371809 1704908.18271807 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 22:23:40 2020-Nov-11 22:23

Alternate Designations
 2009 SK84 = 2005 YZ105 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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