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 ]  
11695 Mattei (1998 FA74)
Classification: Main-belt Asteroid          SPK-ID: 2011695
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06809050860497329 4.0888e-08  
a 2.234298643022403 7.7295e-09 au
q 2.082164112043606 9.0225e-08 au
i 6.520385437892449 5.0825e-06 deg
node 25.00180914326502 3.1304e-05 deg
peri 116.5935768327868 4.8124e-05 deg
M 158.8684760686889 3.8244e-05 deg
tp 2458062.173835702202
(2017-Nov-04.67383570)
0.0001284 TDB
period 1219.860754901535
3.34
6.3301e-06
1.733e-08
d
yr
n .2951156503342537 1.5314e-09 deg/d
Q 2.3864331740012 8.2558e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1449  
   data-arc span      15738 days (43.09 yr)  
   first obs. used      1976-10-24  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49809  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:38:40  

Additional Information
 Earth MOID = 1.10344 au 
 Jupiter MOID = 2.61113 au 
 T_jup = 3.628 
[ 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 14.6   n/a MPO236459  

11695 Mattei           Discovered 1998 Mar. 22 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Janet Akyüz Mattei (b. 1943), a tireless promoter of the observation of variable stars by amateurs, has been the director of the American Association of Variable Star Observers since 1973.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010109/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1998 FA74 = 1976 UL19 = 1996 TH65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-07 02:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin