Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
28675 Suejohnston (2000 GB60)
Classification: Main-belt Asteroid          SPK-ID: 2028675
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1562106037397419 3.7075e-08  
a 3.060914668789088 1.8025e-08 au
q 2.582767340381713 1.1447e-07 au
i 1.567937946337145 4.4639e-06 deg
node 141.8551624360005 0.00015113 deg
peri 161.7199350678698 0.00015182 deg
M 125.1766468480283 1.3681e-05 deg
tp 2457920.363513080475
(2017-Jun-15.86351308)
7.477e-05 TDB
period 1956.028871649598
5.36
1.7278e-05
4.73e-08
d
yr
n .1840463631277576 1.6257e-09 deg/d
Q 3.539061997196464 2.084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1087  
   data-arc span      10221 days (27.98 yr)  
   first obs. used      1991-11-02  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53701  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:07:30  

Additional Information
 Earth MOID = 1.56679 au 
 Jupiter MOID = 1.69569 au 
 T_jup = 3.214 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO426081  
diameter diameter 7.014 km 0.361 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.174 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.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.062   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

28675 Suejohnston           Discovered 2000 Apr. 5 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Susanne C. Johnston mentored a finalist in the 2013 Intel Science Talent Search, a science competition for high-school seniors. She teaches at the Germantown Academy, Fort Washington, Pennsylvania.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20130225/MPCPages.arcLast Updated: 2013-02-28

[ show close-approach data ]
Alternate Designations
 2000 GB60 = 1999 AH19 = 2000 JG88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-27 09:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin