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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1337607463089607 3.3051e-08  
a 2.427248570553361 8.9615e-09 au
q 2.102577990278785 8.1785e-08 au
i 4.061491208920159 4.8564e-06 deg
node 29.00686538682553 5.1252e-05 deg
peri 101.0012548770821 5.4994e-05 deg
M 352.3091742379178 1.8775e-05 deg
tp 2459030.008034292265
(2020-Jun-29.50803429)
7.2074e-05 TDB
period 1381.24210245264
3.78
7.6494e-06
2.094e-08
d
yr
n .2606349743906272 1.4434e-09 deg/d
Q 2.751919150827936 1.016e-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 = 1.12176 au 
 Jupiter MOID = 2.29293 au 
 T_jup = 3.494 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456776.5 (2014-Apr-29.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1330436547690067 3.3194e-08  
q 2.104577404443067 8.2098e-08 au
tp 2456268.172851508539
(2012-Dec-06.67285151)
7.0351e-05 TDB
node 29.03309331043133 5.1233e-05 deg
peri 101.1858889098464 5.4999e-05 deg
i 4.062700612804419 4.8562e-06 deg
  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
 Jupiter MOID = 2.29293 au 
 T_jup = 3.494 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.101809561043737E-15 -2.713191902230591E-15 4.926363243210968E-13 -6.091347038091134E-15 1.448510891444306E-13 -6.667559705626315E-16
q -2.713191902230591E-15 6.740007713636454E-15 -1.180553515255682E-12 1.436416754567691E-14 -3.40987932003383E-13 1.719621488846507E-15
tp 4.926363243210968E-13 -1.180553515255682E-12 4.949246203868802E-9 -2.367408539065066E-11 1.415027372025404E-9 -1.161366747023232E-12
node -6.091347038091134E-15 1.436416754567691E-14 -2.367408539065066E-11 2.624793852254499E-9 -2.624561398434519E-9 -1.86374878973859E-11
peri 1.448510891444306E-13 -3.40987932003383E-13 1.415027372025404E-9 -2.624561398434519E-9 3.024867149585876E-9 1.829917025225891E-11
i -6.667559705626315E-16 1.719621488846507E-15 -1.161366747023232E-12 -1.86374878973859E-11 1.829917025225891E-11 2.358266736307711E-11

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-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] (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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