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 ]  
2199 Klet (1978 LA)
Classification: Main-belt Asteroid          SPK-ID: 2002199
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2009407569816139 2.9873e-08  
a 2.241233810403984 6.432e-09 au
q 1.790878591968621 6.7104e-08 au
i 8.196914360314713 3.5414e-06 deg
node 146.9174300672879 2.7874e-05 deg
peri 142.6519237958511 2.95e-05 deg
M 31.30776947156207 1.0835e-05 deg
tp 2458493.919242740094
(2019-Jan-10.41924274)
3.6774e-05 TDB
period 1225.544753305342
3.36
5.2757e-06
1.444e-08
d
yr
n .2937469227697039 1.2645e-09 deg/d
Q 2.691589028839348 7.7244e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2358  
   data-arc span      28711 days (78.61 yr)  
   first obs. used      1941-04-19  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46816  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:32:14  

Additional Information
 Earth MOID = .782014 au 
 Jupiter MOID = 2.51785 au 
 T_jup = 3.594 
[ 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 12.8   n/a MPO452192  
diameter diameter 6.961 km 0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 12.857 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Skiff, B.A. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html]
geometric albedo albedo 0.210   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2199 Klet           Discovered 1978 June 6 by A. Mrkos at the Klet Observatory.
Named for the observatory at which this minor planet was discovered and for the mountain in southern Bohemia on which the observatory is located.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5524Last Updated: 2006-03-21

[ show close-approach data ]
Alternate Designations
 1978 LA = 1928 QE = 1941 HG = 1948 MD = 1975 RU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-05 16:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin