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 ]  
22456 Salopek (1996 XF12)
Classification: Main-belt Asteroid          SPK-ID: 2022456
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1020517531441816 4.5486e-08  
a 2.401204214902141 9.2584e-09 au
q 2.15615711511418 1.0995e-07 au
i 7.15793665359511 3.3401e-06 deg
node 87.91881303363699 3.3004e-05 deg
peri 294.9837168965666 3.6335e-05 deg
M 288.8459126393576 1.6435e-05 deg
tp 2459665.120667703223
(2022-Mar-26.62066770)
6.265e-05 TDB
period 1359.070771058049
3.72
7.8603e-06
2.152e-08
d
yr
n .264886868047156 1.532e-09 deg/d
Q 2.646251314690103 1.0203e-08 au
  Orbit Determination Parameters
   # obs. used (total)      992  
   data-arc span      8958 days (24.53 yr)  
   first obs. used      1996-12-04  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56695  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:42:50  

Additional Information
 Earth MOID = 1.17091 au 
 Jupiter MOID = 2.77275 au 
 T_jup = 3.508 
[ 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 15.46   n/a E2021B10  

22456 Salopek           Discovered 1996 Dec. 4 by Spacewatch at Kitt Peak.
David Stephen Salopek (b. 1963) earned a Ph.D. in cosmology from the University of Toronto in 1989 and worked at the Universities of Cambridge and Alberta. Name suggested and citation prepared by Robert Jedicke and Peter Jedicke.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-08-18Last Updated: 2016-11-23

Alternate Designations
 1996 XF12 = 1999 SV18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-25 00:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin