Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .133075343628817 5.7278e-08  
a 2.427050443588348 1.4291e-08 au
q 2.104069871803356 1.4276e-07 au
i 4.063109015118133 6.489e-06 deg
node 29.02007370929248 7.9461e-05 deg
peri 101.3550245434027 8.3394e-05 deg
M 294.8982616519083 2.4628e-05 deg
tp 2457650.250700788296
(2016-Sep-18.75070079)
9.4843e-05 JED
period 1381.072987683471
3.78
1.2199e-05
3.34e-08
d
yr
n .2606668895927379 2.3024e-09 deg/d
Q 2.75003101537334 1.6193e-08 au
  Orbit Determination Parameters
   # obs. used (total)      885  
   data-arc span      8485 days (23.23 yr)  
   first obs. used      1992-09-22  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51784  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:37:56  

Additional Information
 Earth MOID = 1.12323 au 
 Jupiter MOID = 2.2998 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. 2015-December); 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.]

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Feb-13 06:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin