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22421 Jamesedgar (1995 XC5)
Classification: Main-belt Asteroid          SPK-ID: 2022421
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .15907417764092 5.1788e-08  
a 2.661698384668056 1.4376e-08 au
q 2.23829090299882 1.429e-07 au
i 3.549736681151237 5.2803e-06 deg
node 180.5526863372097 6.4017e-05 deg
peri 185.5622190230395 6.5255e-05 deg
M 274.8139776211162 1.4736e-05 deg
tp 2459375.820708695757
(2021-Jun-10.32070870)
6.6682e-05 TDB
period 1586.122363238376
4.34
1.285e-05
3.518e-08
d
yr
n .2269686175188844 1.8387e-09 deg/d
Q 3.085105866337292 1.6662e-08 au
  Orbit Determination Parameters
   # obs. used (total)      735  
   data-arc span      9539 days (26.12 yr)  
   first obs. used      1993-03-19  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57546  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 00:08:14  

Additional Information
 Earth MOID = 1.23671 au 
 Jupiter MOID = 2.3758 au 
 T_jup = 3.364 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO431759  

22421 Jamesedgar           Discovered 1995 Dec. 14 by Spacewatch at Kitt Peak.
James Somerville Edgar (b. 1946) spent 40 years as a Locomotive Engineer and rail Supervisor. He became President of the Royal Astronomical Society of Canada in 2014. Name suggested by R. and P. 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 2016-11-14Last Updated: 2016-11-20

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Alternate Designations
 1995 XC5 = 1999 RU37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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