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 ]  
5154 Leonov (1969 TL1)
Classification: Main-belt Asteroid          SPK-ID: 2005154
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1042960214884395 3.3414e-08  
a 3.082454366443393 1.5548e-08 au
q 2.760966639603679 1.0221e-07 au
i 2.870614902845608 3.4483e-06 deg
node 72.27380944238099 8.043e-05 deg
peri 228.5222283479522 8.2381e-05 deg
M 206.3206053359156 1.8785e-05 deg
tp 2459844.333088768155
(2022-Sep-21.83308877)
0.00010417 TDB
period 1976.712054472522
5.41
1.4956e-05
4.095e-08
d
yr
n .1821206073921902 1.3779e-09 deg/d
Q 3.403942093283107 1.7169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2534  
   data-arc span      32257 days (88.31 yr)  
   first obs. used      1931-10-12  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48823  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:30:58  

Additional Information
 Earth MOID = 1.74648 au 
 Jupiter MOID = 1.78769 au 
 T_jup = 3.217 
[ 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 12.7   n/a MPO502202  
diameter diameter 14.424 km 0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.112   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5154 Leonov (1969 TL1)          Discovered 1969-Oct-08 by Chernykh, L. I. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1969 TL1 = 1931 TQ4 = 1978 GP3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-05 14:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin