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67021 (1999 XG143)
Classification: Main-belt Asteroid          SPK-ID: 2067021
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1999647204768128 3.5363e-08  
a 2.551290538872525 7.7246e-09 au
q 2.041122439411744 9.2058e-08 au
i 6.538443375735716 4.032e-06 deg
node 181.5637028842579 2.2787e-05 deg
peri 220.1462575748555 2.4561e-05 deg
M 77.80130309636385 8.959e-06 deg
tp 2458878.821025967273
(2020-Jan-30.32102597)
3.6333e-05 TDB
period 1488.463895114298
4.08
6.76e-06
1.851e-08
d
yr
n .2418600821838248 1.0984e-09 deg/d
Q 3.061458638333307 9.2693e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1702  
   data-arc span      8756 days (23.97 yr)  
   first obs. used      1997-04-03  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4674  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:03:02  

Additional Information
 Earth MOID = 1.05297 au 
 Jupiter MOID = 2.36859 au 
 T_jup = 3.403 
[ 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 14.73   n/a MPCxxxxx  

67021 (1999 XG143)          Discovered 1999-Dec-15 by Juels, C. W. at Fountain Hills
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XG143 = 1997 GM32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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