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JPL Small-Body Database Browser
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22456 Salopek (1996 XF12)
Classification: Main-belt Asteroid          SPK-ID: 2022456
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1020196477982718 5.7651e-08  
a 2.400578387283201 1.0948e-08 au
q 2.155672225700425 1.3604e-07 au
i 7.159930239644025 3.9379e-06 deg
node 87.92301450290137 3.5605e-05 deg
peri 295.4560628001158 4.031e-05 deg
M 77.3831810384832 1.8112e-05 deg
tp 2458308.477481379002
(2018-Jul-08.97748138)
6.823e-05 TDB
period 1358.539482258793
3.72
9.2935e-06
2.544e-08
d
yr
n .26499045828351 1.8127e-09 deg/d
Q 2.645484548865976 1.2065e-08 au
  Orbit Determination Parameters
   # obs. used (total)      874  
   data-arc span      8128 days (22.25 yr)  
   first obs. used      1996-12-04  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58284  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 00:08:29  

Additional Information
 Earth MOID = 1.1705 au 
 Jupiter MOID = 2.77068 au 
 T_jup = 3.508 
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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 MPO412350  

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 ]
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