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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1336756975604165 2.9925e-08  
a 2.426946976646044 8.3559e-09 au
q 2.10252314660074 7.4015e-08 au
i 4.06169253060262 4.5981e-06 deg
node 29.00226192777562 4.7703e-05 deg
peri 100.9588394392583 5.1636e-05 deg
M 44.48049959748963 1.8417e-05 deg
tp 2459029.869754851629
(2020-Jun-29.36975485)
7.0437e-05 TDB
period 1380.984674391569
3.78
7.132e-06
1.953e-08
d
yr
n .2606835591123471 1.3463e-09 deg/d
Q 2.751370806691348 9.4729e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1544  
   data-arc span      10401 days (28.48 yr)  
   first obs. used      1992-09-22  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49546  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:14:25  

Additional Information
 Earth MOID = 1.12162 au 
 Jupiter MOID = 2.29289 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 14.61   n/a E2021B10  
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. 2020-October); 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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