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 ]  
29464 Leonmis (1997 TY9)
Classification: Main-belt Asteroid          SPK-ID: 2029464
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1845190600878247 4.1123e-08  
a 2.547107028010798 1.0367e-08 au
q 2.077117233259153 1.0705e-07 au
i 2.303797756417976 3.4845e-06 deg
node 87.40626731574883 0.00011927 deg
peri 286.0536198838851 0.00011985 deg
M 209.5673981090551 1.4427e-05 deg
tp 2459620.952708125532
(2022-Feb-10.45270813)
6.2177e-05 TDB
period 1484.804305167287
4.07
9.0649e-06
2.482e-08
d
yr
n .2424561935516749 1.4802e-09 deg/d
Q 3.017096822762443 1.228e-08 au
  Orbit Determination Parameters
   # obs. used (total)      806  
   data-arc span      9213 days (25.22 yr)  
   first obs. used      1995-03-05  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54595  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:11:50  

Additional Information
 Earth MOID = 1.07917 au 
 Jupiter MOID = 2.44675 au 
 T_jup = 3.417 
[ 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 15.8   n/a MPO426086  

29464 Leonmiš           Discovered 1997 Oct. 5 by P. Pravec at Ondřejov.
Leon Miš (b. 1972), an astronomer at the Úpice observatory, contributed much to the organization of astronomical summer youth camps and weekend gatherings of observers of the beauties of the sky. He also contributed to the reconstruction of the observatory's dome and telescopes.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020427/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1997 TY9 = 2000 KY21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-30 15:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin