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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .102192200682525 5.4254e-08  
a 2.400115158697292 9.75e-09 au
q 2.154842108738528 1.2929e-07 au
i 7.159785772029794 3.4022e-06 deg
node 87.92226156111364 3.4997e-05 deg
peri 295.237428161691 3.8129e-05 deg
M 236.6568070527412 1.658e-05 deg
tp 2459665.828049976445
(2022-Mar-27.32804998)
6.3708e-05 TDB
period 1358.146274542695
3.72
8.2758e-06
2.266e-08
d
yr
n .2650671777759848 1.6152e-09 deg/d
Q 2.645388208656056 1.0746e-08 au
  Orbit Determination Parameters
   # obs. used (total)      980  
   data-arc span      8621 days (23.60 yr)  
   first obs. used      1996-12-04  
   last obs. used      2020-07-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56928  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:06:33  

Additional Information
 Earth MOID = 1.16911 au 
 Jupiter MOID = 2.77211 au 
 T_jup = 3.509 
[ 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 ]
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