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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1338269404663798 3.3063e-08  
a 2.426777428945542 8.9201e-09 au
q 2.102009230436893 8.1806e-08 au
i 4.062102091699176 4.8571e-06 deg
node 29.01186881730497 5.1242e-05 deg
peri 101.1096146771235 5.4981e-05 deg
M 247.9438558605873 1.8633e-05 deg
tp 2459030.310005205644
(2020-Jun-29.81000521)
7.2017e-05 TDB
period 1380.839962523833
3.78
7.6133e-06
2.084e-08
d
yr
n .2607108787190727 1.4374e-09 deg/d
Q 2.751545627454192 1.0114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1372  
   data-arc span      9934 days (27.20 yr)  
   first obs. used      1992-09-22  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50346  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:23:09  

Additional Information
 Earth MOID = 1.12157 au 
 Jupiter MOID = 2.29454 au 
 T_jup = 3.494 
[ 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 14.6   n/a MPO452423  
diameter diameter 5.524 km 1.588 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
rotation period rot_per 3.800 h n/a LCDB (Rev. 2019-January); 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] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

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 ]
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