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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
46161 (2001 FK78)
Classification: Main-belt Asteroid          SPK-ID: 2046161
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2184725338842884 4.5402e-08  
a 2.670761422387986 1.1821e-08 au
q 2.087273407038476 1.2413e-07 au
i 8.765907469083913 4.997e-06 deg
node 174.401049326857 2.3424e-05 deg
peri 328.166136425159 2.4584e-05 deg
M 272.7045860953222 8.6932e-06 deg
tp 2459783.080547052452
(2022-Jul-22.58054705)
3.9814e-05 TDB
period 1594.230334835783
4.36
1.0584e-05
2.898e-08
d
yr
n .2258142955466235 1.4992e-09 deg/d
Q 3.254249437737495 1.4403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      949  
   data-arc span      11247 days (30.79 yr)  
   first obs. used      1990-10-23  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55601  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 00:52:19  

Additional Information
 Earth MOID = 1.10563 au 
 Jupiter MOID = 1.78918 au 
 T_jup = 3.330 
[ 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 15.12   n/a E2021B10  

46161 (2001 FK78)          Discovered 2001-Mar-19 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-21 18:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin