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 ]  
5938 Keller (1980 FH2)
Classification: Main-belt Asteroid          SPK-ID: 2005938
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07391487528033219 3.4008e-08  
a 2.33822427515672 7.2951e-09 au
q 2.165394719481066 8.0297e-08 au
i 3.555014258465414 3.851e-06 deg
node 328.2150376261289 5.5294e-05 deg
peri 349.5311979623376 6.0328e-05 deg
M 312.3143730591448 2.4881e-05 deg
tp 2459173.486682690245
(2020-Nov-19.98668269)
9.045e-05 TDB
period 1305.953381838278
3.58
6.1117e-06
1.673e-08
d
yr
n .2756606820782982 1.2901e-09 deg/d
Q 2.511053830832374 7.8343e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2139  
   data-arc span      23418 days (64.11 yr)  
   first obs. used      1955-04-20  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47153  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:50:37  

Additional Information
 Earth MOID = 1.15213 au 
 Jupiter MOID = 2.67693 au 
 T_jup = 3.560 
[ 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 14.1   n/a MPO384808  

5938 Keller (1980 FH2)          Discovered 1980-Mar-16 by Lagerkvist, C.-I. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1980 FH2 = 1978 VF2 = 1987 DJ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-29 08:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin