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 ]  
3135 Lauer (1981 EC9)
Classification: Main-belt Asteroid          SPK-ID: 2003135
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 .1382845482127608 3.02e-08  
a 2.421853671993414 8.5114e-09 au
q 2.086948731124389 7.6079e-08 au
i 5.985216871766026 3.8655e-06 deg
node 304.866876677507 3.2038e-05 deg
peri 118.7647447639949 3.5759e-05 deg
M 247.3183740529817 1.7389e-05 deg
tp 2459431.394430362469
(2021-Aug-04.89443036)
6.7649e-05 TDB
period 1376.639657324659
3.77
7.2571e-06
1.987e-08
d
yr
n .2615063412451873 1.3786e-09 deg/d
Q 2.75675861286244 9.6884e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1920  
   data-arc span      15453 days (42.31 yr)  
   first obs. used      1978-07-09  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43335  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:02:56  

Additional Information
 Earth MOID = 1.10824 au 
 Jupiter MOID = 2.53273 au 
 T_jup = 3.492 
[ 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 13.8   n/a MPO384779  

3135 Lauer (1981 EC9)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1981 EC9 = 1978 NE1 = 1979 SS2 
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 01:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin