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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1586824761625864 5.1747e-08  
a 2.662243429177635 1.475e-08 au
q 2.239792049688153 1.4279e-07 au
i 3.550820530032714 5.2423e-06 deg
node 180.4957070376118 6.3098e-05 deg
peri 185.462071956557 6.4315e-05 deg
M 320.3024606671759 1.4853e-05 deg
tp 2459375.456934045197
(2021-Jun-09.95693405)
6.6327e-05 TDB
period 1586.609581218852
4.34
1.3186e-05
3.61e-08
d
yr
n .2268989197225469 1.8857e-09 deg/d
Q 3.084694808667118 1.7091e-08 au
  Orbit Determination Parameters
   # obs. used (total)      744  
   data-arc span      9965 days (27.28 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56924  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:06:05  

Additional Information
 Earth MOID = 1.2366 au 
 Jupiter MOID = 2.37706 au 
 T_jup = 3.364 
[ show covariance matrix ]

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 15.11   n/a E2021B10  

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

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