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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1330742119374995 5.6086e-08  
a 2.426903021780406 1.4117e-08 au
q 2.103944814708242 1.4026e-07 au
i 4.063131574573151 6.3858e-06 deg
node 29.02012479455712 7.6533e-05 deg
peri 101.3949691256915 8.068e-05 deg
M 347.000609530893 2.4656e-05 deg
tp 2457650.365198110619
(2016-Sep-18.86519811)
9.4653e-05 JED
period 1380.947157675165
3.78
1.2049e-05
3.299e-08
d
yr
n .2606906412016973 2.2746e-09 deg/d
Q 2.74986122885257 1.5996e-08 au
  Orbit Determination Parameters
   # obs. used (total)      923  
   data-arc span      8559 days (23.43 yr)  
   first obs. used      1992-09-22  
   last obs. used      2016-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53088  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:30:50  

Additional Information
 Earth MOID = 1.12172 au 
 Jupiter MOID = 2.29925 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 MPO347663  
rotation period rot_per 3.8005 h n/a LCDB (Rev. 2016-February); 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. (2016) Astron. J. 150, A75.]

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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