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17823 Bartels (1998 GA)
Classification: Main-belt Asteroid          SPK-ID: 2017823
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1330059245303358 7.4247e-08  
a 2.426808601663437 1.8088e-08 AU
q 2.104028679941019 1.8167e-07 AU
i 4.063422472873956 7.6123e-06 deg
node 29.03814099482085 0.00010939 deg
peri 101.0498841025083 0.00011481 deg
M 34.59791782553566 3.1503e-05 deg
tp 2456267.791366477150
(2012-Dec-06.29136648)		 0.00012115 JED
period 1380.866568593466
3.78		 1.5438e-05
4.227e-08		 d
yr
n .2607058554301098 2.9147e-09 deg/d
Q 2.749588523385854 2.0494e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      676  
   data-arc span      7504 days (20.54 yr)  
   first obs. used      1992-09-23  
   last obs. used      2013-04-10  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .5263  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 14:16:38  

Additional Information
 Earth MOID = 1.12281 AU 
 T_jup = 3.494 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a PDS3 (MPO 4163)  

17823 Bartels           Discovered 1998 Apr. 1 by J. M. Roe at Oaxaca.
Mel Bartels (b. 1954) has contributed much to amateur astronomy, especially his public domain software for computer control of easily constructed altazimuth telescopes.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020328/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1998 GA = 1992 SO20 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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