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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06821353189408891 4.0817e-08  
a 2.234262422983146 7.6783e-09 au
q 2.081855491933221 9.0055e-08 au
i 6.520180641154807 5.0722e-06 deg
node 24.99772023970902 3.1163e-05 deg
peri 116.4241584284597 4.7934e-05 deg
M 277.1164106620843 3.8415e-05 deg
tp 2459281.344387016433
(2021-Mar-07.84438702)
0.00013084 TDB
period 1219.831092421876
3.34
6.2881e-06
1.722e-08
d
yr
n .2951228266245035 1.5213e-09 deg/d
Q 2.386669354033071 8.2021e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1460  
   data-arc span      15741 days (43.10 yr)  
   first obs. used      1976-10-24  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49892  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:18:22  

Additional Information
 Earth MOID = 1.10274 au 
 Jupiter MOID = 2.60973 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 14.7   n/a MPO502258  

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 ]
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