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 ]  
277097 (2005 EF273)
Classification: Main-belt Asteroid          SPK-ID: 2277097
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04985258506818754 5.5731e-08  
a 3.059467301658412 4.5303e-08 au
q 2.906944947739147 1.6385e-07 au
i 8.435874081951145 6.747e-06 deg
node 173.4850690259209 3.5652e-05 deg
peri 153.3840417421976 7.2884e-05 deg
M 158.3514979905556 6.5847e-05 deg
tp 2458140.721014078792
(2018-Jan-22.22101408)
0.00035314 TDB
period 1954.64166022664
5.35
4.3415e-05
1.189e-07
d
yr
n .1841769810422736 4.0908e-09 deg/d
Q 3.211989655577676 4.7561e-08 au
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      5349 days (14.64 yr)  
   first obs. used      2005-03-03  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59571  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:20:48  

Additional Information
 Earth MOID = 1.89894 au 
 Jupiter MOID = 1.99592 au 
 T_jup = 3.216 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456996.5 (2014-Dec-05.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04847627522223476 5.4118e-08  
q 2.913681392795142 1.5782e-07 au
tp 2456162.425022679942
(2012-Aug-22.92502268)
0.00036255 TDB
node 173.5739052742362 3.5763e-05 deg
peri 149.3689241823863 7.5498e-05 deg
i 8.417108063604125 6.7342e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      5349 days (14.64 yr)  
   first obs. used      2005-03-03  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59571  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:20:48  

Additional Information
 Jupiter MOID = 1.99592 au 
 T_jup = 3.216 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.928712221621273E-15 -8.238667832759831E-15 6.384697231241005E-12 1.381292148446662E-14 1.224282761542302E-12 2.867828131781473E-15
q -8.238667832759831E-15 2.490784563967793E-14 -1.747239300255485E-11 -3.917551671593965E-14 -3.219787229509132E-12 -7.06481310396829E-15
tp 6.384697231241005E-12 -1.747239300255485E-11 1.314400370611623E-7 3.512248924043472E-11 2.410316284902393E-8 1.000842292250276E-13
node 1.381292148446662E-14 -3.917551671593965E-14 3.512248924043472E-11 1.278995798511647E-9 -1.258626525288908E-9 4.764087208244821E-11
peri 1.224282761542302E-12 -3.219787229509132E-12 2.410316284902393E-8 -1.258626525288908E-9 5.69997485698373E-9 -4.702837424032997E-11
i 2.867828131781473E-15 -7.06481310396829E-15 1.000842292250276E-13 4.764087208244821E-11 -4.702837424032997E-11 4.534938260401907E-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 15.4   n/a MPO470932  

277097 (2005 EF273)          Discovered 2005-Mar-03 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

Alternate Designations
 2005 EF273 = 2007 RQ213 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-19 16:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin