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 ]  
266851 (2009 UK79)
Classification: Jupiter Trojan          SPK-ID: 2266851
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04599011431312619 9.6972e-08  
a 5.167202360745149 1.6949e-07 au
q 4.929562133495424 5.9217e-07 au
i 3.634373780871686 9.2095e-06 deg
node 324.9822448351509 0.00012189 deg
peri 57.45176346877101 0.00015113 deg
M 341.6835616335862 8.4399e-05 deg
tp 2459218.783123656115
(2021-Jan-04.28312366)
0.0010018 TDB
period 4290.240435623892
11.75
0.00021109
5.779e-07
d
yr
n .08391138105238811 4.1286e-09 deg/d
Q 5.404842587994874 1.7729e-07 au
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      8385 days (22.96 yr)  
   first obs. used      1997-11-21  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55033  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:54:25  

Additional Information
 Earth MOID = 3.93407 au 
 Jupiter MOID = .00233382 au 
 T_jup = 2.994 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457799.5 (2017-Feb-15.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04484680577360062 9.703e-08  
q 4.932610767479467 5.8994e-07 au
tp 2459220.097123824960
(2021-Jan-05.59712382)
0.0010313 TDB
node 324.9959658176807 0.00012191 deg
peri 57.47261836934456 0.00015264 deg
i 3.634376270724981 9.2103e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      8385 days (22.96 yr)  
   first obs. used      1997-11-21  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55033  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:54:25  

Additional Information
 Jupiter MOID = .00233382 au 
 T_jup = 2.994 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.414762157733721E-15 -5.548254249173432E-14 -1.583031788909544E-11 1.330000248319496E-14 -1.069215458687957E-12 -5.031181951047482E-15
q -5.548254249173432E-14 3.48023867440477E-13 1.95526478518349E-11 -5.653493875770634E-14 -8.654549497327406E-13 3.436065164313545E-14
tp -1.583031788909544E-11 1.95526478518349E-11 1.063562943747296E-6 -1.522808977847396E-10 9.475164623295571E-8 -7.298351768880684E-12
node 1.330000248319496E-14 -5.653493875770634E-14 -1.522808977847396E-10 1.486090257457703E-8 -1.48443811306687E-8 5.867105053208546E-10
peri -1.069215458687957E-12 -8.654549497327406E-13 9.475164623295571E-8 -1.48443811306687E-8 2.330012161091461E-8 -5.8648703638565E-10
i -5.031181951047482E-15 3.436065164313545E-14 -7.298351768880684E-12 5.867105053208546E-10 -5.8648703638565E-10 8.482948891893152E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6   n/a MPO494442  

266851 (2009 UK79)          Discovered 2001-Feb-27 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2009 UK79 = 2010 VX106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-20 21:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin