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17823 Bartels (1998 GA)
Classification: Main-belt Asteroid          SPK-ID: 2017823
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.

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1337607562329398 3.1908e-08  
a 2.427248567761095 8.7368e-09 au
q 2.102577963772051 7.9502e-08 au
i 4.061492005270776 4.6282e-06 deg
node 29.00686031105086 4.9632e-05 deg
peri 101.0012541041608 5.3477e-05 deg
M 352.3091842630839 1.8436e-05 deg
tp 2459030.007995776953
7.0768e-05 TDB
period 1381.242100069204
n .2606349748403723 1.4072e-09 deg/d
Q 2.751919171750139 9.9055e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1466  
   data-arc span      9993 days (27.36 yr)  
   first obs. used      1992-09-22  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49353  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:12:54  

Additional Information
 Earth MOID = 1.12176 au 
 Jupiter MOID = 2.29293 au 
 T_jup = 3.494 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO452423  
diameter diameter 5.524 km 1.588 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 3.800 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.092   0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
FirstGov 2020-Feb-28 00:28 UT
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