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 ]  
277220 (2005 QX156)
Classification: Outer Main-belt Asteroid          SPK-ID: 2277220
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2596703720205155 6.6922e-08  
a 4.000375965279921 9.2238e-08 au
q 2.961596850153755 2.8099e-07 au
i 10.24433492504193 7.2046e-06 deg
node 251.360513986194 4.0043e-05 deg
peri 67.53990119270091 4.3209e-05 deg
M 323.0712286187847 2.3876e-05 deg
tp 2459300.286449769934
(2021-Mar-26.78644977)
0.00020184 TDB
period 2922.467168026983
8.00
0.00010108
2.767e-07
d
yr
n .1231835908846303 4.2604e-09 deg/d
Q 5.039155080406087 1.1619e-07 au
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      5068 days (13.88 yr)  
   first obs. used      2005-07-09  
   last obs. used      2019-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60329  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:10:45  

Additional Information
 Earth MOID = 1.96876 au 
 Jupiter MOID = .655691 au 
 T_jup = 2.967 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO437262  

277220 (2005 QX156)          Discovered 2005-Aug-30 by NEAT at Palomar
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-06 07:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin