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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1567331600895236 5.698e-08  
a 3.130995206774015 4.4119e-08 au
q 2.640264433791172 1.9297e-07 au
i 1.995756994148154 6.7577e-06 deg
node 141.7210558864845 0.0002206 deg
peri 159.3736139178055 0.00022223 deg
M 15.24018776982506 2.7513e-05 deg
tp 2458914.833731890082
(2020-Mar-06.33373189)		 0.00015429 TDB
period 2023.587700187793
5.54		 4.2771e-05
1.171e-07		 d
yr
n .1779018522234501 3.7602e-09 deg/d
Q 3.621725979756858 5.1033e-08 au
   Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      7567 days (20.72 yr)  
   first obs. used      1998-09-13  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57246  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:49:33  

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

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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 00:07 Jupiter 1.98631003710181 1.98630687112549 1.9863132030998 3.88285543399476 3.77143288318422 2416686.926047294 7.28951790040321 379.906086039587 32.2668233154563 -70.9624503771098 1807610.40641097 T 12 CATAB v2.0f-lin.ifort 2020-Feb-25 12:49:36 2020-Feb-25 12:49
1967-Aug-13 21:56 00:03 Jupiter 1.77778105246015 1.77777969737811 1.7777824075426 1.96887046734783 1.70983985862911 2439716.413598260 3.28424617967206 155.031511349589 19.504942527991 -87.2738210150293 1241834.10396335 T 12 CATAB v2.0f-lin.ifort 2020-Feb-25 12:49:36 2020-Feb-25 12:49
1977-Dec-19 04:00 00:03 Jupiter 1.63136466340121 1.63136409164784 1.63136523515394 1.73570425609875 1.40507907912405 2443496.666768783 2.49672671450162 90.6386860109219 75.3142109645269 88.1737845079702 1388287.30054571 T 12 CATAB v2.0f-lin.ifort 2020-Feb-25 12:49:36 2020-Feb-25 12:49
1988-Apr-15 19:17 00:02 Jupiter 1.85114779267164 1.85114689438711 1.85114869095628 3.07623868708288 2.92371548152567 2447267.303565900 1.67747302219734 87.0421086516554 25.0982022251033 -82.0616021308472 1644464.54066327 T 12 CATAB v2.0f-lin.ifort 2020-Feb-25 12:49:36 2020-Feb-25 12:49
2051-May-02 18:37 00:02 Jupiter 1.90691508522195 1.90691368898091 1.90691648146321 2.38027669018799 2.18571446226927 2470294.275405198 2.46055619120253 127.93314920915 15.3959512790884 -82.0383915701649 1176770.12417409 T 12 CATAB v2.0f-lin.ifort 2020-Feb-25 12:49:36 2020-Feb-25 12:49
2061-Sep-11 19:31 00:03 Jupiter 1.64840422762976 1.64840349760819 1.64840495765049 1.65310185485437 1.30577864559567 2474079.313229851 3.35953700283459 139.325853882676 69.8377302625601 87.9472974196633 1516459.16081027 T 12 CATAB v2.0f-lin.ifort 2020-Feb-25 12:49:36 2020-Feb-25 12:49
2072-Jan-13 01:05 00:04 Jupiter 1.7355878470428 1.73558620970154 1.73558948438456 2.37576276976082 2.16059820747441 2477854.544805600 4.27131087095813 142.639598481077 9.21396467182828 -88.6329430846489 1167207.46962067 T 12 CATAB v2.0f-lin.ifort 2020-Feb-25 12:49:36 2020-Feb-25 12:49
2145-Jun-07 22:31 00:09 Jupiter 1.72990826274146 1.72990540006409 1.72991112542964 1.81600973961404 1.52270242171558 2504663.438137911 9.10733014358586 354.435215726368 43.2054407632714 81.9206791146165 1073220.02629675 T 12 CATAB v2.0f-lin.ifort 2020-Feb-25 12:49:36 2020-Feb-25 12:49
2155-Oct-13 17:31 00:10 Jupiter 1.66824472793058 1.66824292190866 1.66824653394614 1.91068442432697 1.62334513597503 2508443.229628024 10.1753389933872 157.777755228057 72.7246293112333 33.5661539058978 510434.359691287 T 12 CATAB v2.0f-lin.ifort 2020-Feb-25 12:49:36 2020-Feb-25 12:49
2166-Feb-12 11:01 00:11 Jupiter 1.93119692156569 1.93119210742123 1.93120173574801 3.50841131371253 3.38108716485542 2512217.959152446 10.6456771953323 506.086699371544 31.332300537285 -69.8743739273522 1599273.89329379 T 12 CATAB v2.0f-lin.ifort 2020-Feb-25 12:49:36 2020-Feb-25 12:49

Alternate Designations
 2009 SK84 = 2005 YZ105 
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