Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
20017 Alixcatherine (1991 TF14)
Classification: Main-belt Asteroid          SPK-ID: 2020017
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1176204901248506 5.5629e-08  
a 2.54962326915305 1.834e-08 au
q 2.249735330601545 1.4121e-07 au
i 5.505736778669242 5.6228e-06 deg
node 25.56211142303366 6.6231e-05 deg
peri 46.9327578402516 7.106e-05 deg
M 340.5260843702182 2.9537e-05 deg
tp 2457680.938364412594
(2016-Oct-19.43836441)
0.00012233 JED
period 1487.005065599047
4.07
1.6045e-05
4.393e-08
d
yr
n .2420973595372201 2.6122e-09 deg/d
Q 2.849511207704556 2.0498e-08 au
  Orbit Determination Parameters
   # obs. used (total)      850  
   data-arc span      14111 days (38.63 yr)  
   first obs. used      1977-03-15  
   last obs. used      2015-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53883  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 16:33:00  

Additional Information
 Earth MOID = 1.26665 au 
 Jupiter MOID = 2.41503 au 
 T_jup = 3.425 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a MPO347679  

20017 Alixcatherine           Discovered 1991 Oct. 2 by C. P. de Saint-Aignan at Palomar.
Alix Catherine de Saint-Aignan (b. 2002) is the eldest daughter of the discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20091202/MPCPages.arcLast Updated: 2010-04-12

[ show close-approach data ]
Alternate Designations
 1991 TF14 = 1977 EF4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Apr-28 19:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin