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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1563252128456783 4.5955e-08  
a 3.129341186536268 3.1146e-08 au
q 2.640146259484239 1.4417e-07 au
i 1.996073529993122 6.3104e-06 deg
node 141.7247263459124 0.0001615 deg
peri 159.2913616163393 0.00016355 deg
M 50.923359391397 2.3064e-05 deg
tp 2458914.482671168187
(2020-Mar-05.98267117)		 0.00013076 TDB
period 2021.984401854839
5.54		 3.0187e-05
8.265e-08		 d
yr
n .1780429164882573 2.658e-09 deg/d
Q 3.618536113588297 3.6015e-08 au
   Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      8073 days (22.10 yr)  
   first obs. used      1998-09-13  
   last obs. used      2020-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55727  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:17:07  

Additional Information
 Earth MOID = 1.62276 au 
 Jupiter MOID = 1.60911 au 
 T_jup = 3.194 
[ 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 16.37   n/a E2021B55  

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 10:14 00:06 Jupiter 1.98630997840708 1.98630763430805 1.98631232251886 3.88285548943249 3.77143293754329 2416686.926119586 5.59904425806024 293.321980523437 29.1094974305067 -71.9992667891137 2037510.49030929 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 03:17:07 2021-Apr-14 03:17
1967-Aug-13 21:55 00:03 Jupiter 1.77778110130523 1.77777995835055 1.77778224425961 1.96887069279355 1.7098401274239 2439716.413516012 2.53193491145668 117.327435660802 16.7510847296552 -88.2820218758522 1342309.81828679 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 03:17:07 2021-Apr-14 03:17
1977-Dec-19 04:00 00:02 Jupiter 1.63136479607344 1.63136437082415 1.63136522132245 1.73570477868981 1.40507975677775 2443496.666669115 1.96138124316151 84.6043950732835 40.6003684872997 86.8169631783808 2404536.07761016 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 03:17:07 2021-Apr-14 03:17
1988-Apr-15 19:17 00:01 Jupiter 1.85114786198279 1.85114711419752 1.85114860976796 3.07623949695791 2.92371634037426 2447267.303482017 1.37965556554476 73.8603850906771 23.0166587594336 -84.3764703471365 1924111.37866732 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 03:17:07 2021-Apr-14 03:17
2051-May-02 18:37 00:02 Jupiter 1.90691519637116 1.90691403796143 1.90691635478079 2.38027726072724 2.18571509656321 2470294.275495996 1.78711623055098 97.631613277507 13.0239931004463 -80.7918038105411 1374067.68405184 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 03:17:07 2021-Apr-14 03:17
2061-Sep-11 19:31 00:02 Jupiter 1.64840436294293 1.64840393879555 1.64840478708993 1.65310215831884 1.30577906425495 2474079.313308284 2.43385558576007 122.175384521078 51.2372687930994 -82.9264372429679 2290964.02761233 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 03:17:07 2021-Apr-14 03:17
2072-Jan-13 01:05 00:03 Jupiter 1.73558790023429 1.73558643409529 1.73558936637299 2.37576324294945 2.16059873595626 2477854.544832672 3.09203433408014 110.361583167495 8.64500285004625 -88.1694294135987 1222075.66068482 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 03:17:07 2021-Apr-14 03:17
2145-Jun-07 22:29 00:07 Jupiter 1.7299079512413 1.72990591396135 1.72990998852813 1.81600896550373 1.52270144236836 2504663.437092351 6.74625747167863 270.887637955778 35.5393465930287 84.2956470675737 1338049.86863061 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 03:17:07 2021-Apr-14 03:17
2155-Oct-13 17:29 00:08 Jupiter 1.66824525631072 1.66824365863889 1.66824685397772 1.91068722486683 1.62334853301244 2508443.228204714 7.52769058781562 130.108968454516 67.7233798387252 34.6214207360201 566872.656209944 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 03:17:07 2021-Apr-14 03:17
2166-Feb-12 10:59 00:08 Jupiter 1.93119809404636 1.93119435094371 1.93120183716866 3.50841858200405 3.38109478632763 2512217.957454476 7.83742509974015 373.49725416308 28.4607564049577 -68.8680873583137 1758011.96935461 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 03:17:07 2021-Apr-14 03:17

Alternate Designations
 2009 SK84 = 2005 YZ105 
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