Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
266755 (2009 SK84)
Classification: Main-belt Asteroid          SPK-ID: 2266755
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456887.5 (2014-Aug-18.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1569798704198735 5.7177e-08  
q 2.639507483893975 1.9353e-07 au
tp 2456898.030940379918
(2014-Aug-28.53094038)
0.00015345 TDB
node 141.7992002884181 0.000221 deg
peri 160.4193873617292 0.00022263 deg
i 1.994174677947665 6.7538e-06 deg
  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
 Jupiter MOID = 1.60702 au 
 T_jup = 3.193 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.269187504723472E-15 -1.088419946051372E-14 1.429776741416896E-12 -2.61728156810433E-14 3.983284335587605E-13 -5.852124153545867E-16
q -1.088419946051372E-14 3.745206583437558E-14 -5.113849005639725E-12 9.379663245350816E-14 -1.393443149935628E-12 2.544358393108827E-15
tp 1.429776741416896E-12 -5.113849005639725E-12 2.35467910975387E-8 -2.070571204616544E-11 4.222179953950883E-9 2.935970608002323E-12
node -2.61728156810433E-14 9.379663245350816E-14 -2.070571204616544E-11 4.883901755540289E-8 -4.881364443278359E-8 5.531190650846229E-10
peri 3.983284335587605E-13 -1.393443149935628E-12 4.222179953950883E-9 -4.881364443278359E-8 4.956473376177745E-8 -5.522871836873269E-10
i -5.852124153545867E-16 2.544358393108827E-15 2.935970608002323E-12 5.531190650846229E-10 -5.522871836873269E-10 4.56144166250549E-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 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

[ show close-approach data ]
Alternate Designations
 2009 SK84 = 2005 YZ105 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-18 07:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin