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 ]  
545547 (2011 QX2)
Classification: Main-belt Asteroid          SPK-ID: 2545547
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01572020245049798 7.0464e-08  
a 2.935459249309318 6.0303e-08 au
q 2.889313235624989 1.8671e-07 au
i 10.8684694142322 7.3104e-06 deg
node 260.2330342493162 3.4599e-05 deg
peri 183.7507651531783 0.00022758 deg
M 188.3673881753982 0.00022593 deg
tp 2460076.309841784647
(2023-May-11.80984178)
0.0011599 TDB
period 1837.014187983586
5.03
5.6607e-05
1.55e-07
d
yr
n .1959701794111655 6.0388e-09 deg/d
Q 2.981605262993647 6.1251e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      3222 days (8.82 yr)  
   first obs. used      2011-08-20  
   last obs. used      2020-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6839  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:36:31  

Additional Information
 Earth MOID = 1.90473 au 
 Jupiter MOID = 2.14564 au 
 T_jup = 3.248 
[ 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 16.98   n/a E2020-QM5  

545547 (2011 QX2)          Discovered 2011-Aug-20 by Ferrando, R., Ferrando, M. at Pla D'Arguines
Reference: Last Updated: 2020-06-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-21 18:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin