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
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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2008927350985553 2.7946e-08  
a 2.241724608440813 6.2074e-09 au
q 1.7913784205134 6.2356e-08 au
i 8.196821585638586 3.2302e-06 deg
node 146.909486592055 2.7313e-05 deg
peri 142.7328430284791 2.8893e-05 deg
M 148.7122006624875 1.0874e-05 deg
tp 2458494.074091975738
(2019-Jan-10.57409198)
3.6438e-05 TDB
period 1225.947340410265
3.36
5.0921e-06
1.394e-08
d
yr
n .2936504596351794 1.2197e-09 deg/d
Q 2.692070796368227 7.4545e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2658  
   data-arc span      29050 days (79.53 yr)  
   first obs. used      1941-04-19  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45625  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:11:42  

Additional Information
 Earth MOID = .783177 au 
 Jupiter MOID = 2.51911 au 
 T_jup = 3.594 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456984.5 (2014-Nov-23.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2008222659293075 2.7881e-08  
q 1.791213250853179 6.2167e-08 au
tp 2457268.896673908060
(2015-Sep-03.39667391)
3.5573e-05 TDB
node 146.9471601213528 2.731e-05 deg
peri 142.8090996152269 2.8898e-05 deg
i 8.197489856824374 3.2309e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2658  
   data-arc span      29050 days (79.53 yr)  
   first obs. used      1941-04-19  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45625  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:11:42  

Additional Information
 Jupiter MOID = 2.51911 au 
 T_jup = 3.594 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.773259420389076E-16 -1.727767458131751E-15 -1.834118616306755E-13 -7.182664331227814E-15 -4.399399318996865E-14 -9.445975480119952E-16
q -1.727767458131751E-15 3.864738312227107E-15 4.304101199831708E-13 1.615045716129087E-14 1.017322906393483E-13 2.134684349542814E-15
tp -1.834118616306755E-13 4.304101199831708E-13 1.265431292833282E-9 1.1760714927901E-11 3.528020075194678E-10 1.085490648314579E-12
node -7.182664331227814E-15 1.615045716129087E-14 1.1760714927901E-11 7.458587734202981E-10 -7.346003830345795E-10 1.451246531439677E-11
peri -4.399399318996865E-14 1.017322906393483E-13 3.528020075194678E-10 -7.346003830345795E-10 8.3511064353849E-10 -1.409146496120052E-11
i -9.445975480119952E-16 2.134684349542814E-15 1.085490648314579E-12 1.451246531439677E-11 -1.409146496120052E-11 1.043855532317544E-11

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 12.865 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.J.; Pravec, P.; Koehn, B.W. (2019) Minor Plantet Bull. 46, 238-265.]
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 2020-Nov-29 18:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin