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 ]  
26003 Amundson (2001 FD104)
Classification: Main-belt Asteroid          SPK-ID: 2026003
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0553771958137908 3.9117e-08  
a 2.92913847561757 1.6323e-08 au
q 2.766931000687587 1.1727e-07 au
i 2.294432024522246 4.9611e-06 deg
node 37.22681307689794 0.00012102 deg
peri 80.71022427124511 0.00013711 deg
M 33.42862283863091 6.0523e-05 deg
tp 2459030.470504311636
(2020-Jun-29.97050431)
0.00030789 TDB
period 1831.084060605527
5.01
1.5306e-05
4.191e-08
d
yr
n .1966048461374025 1.6434e-09 deg/d
Q 3.091345950547553 1.7227e-08 au
  Orbit Determination Parameters
   # obs. used (total)      925  
   data-arc span      18260 days (49.99 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53457  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:48:51  

Additional Information
 Earth MOID = 1.78418 au 
 Jupiter MOID = 1.94515 au 
 T_jup = 3.273 
[ 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 14.78   n/a MPCxxxxx  

26003 Amundson           Discovered 2001 Mar. 18 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Lauren Amundson (b. 1984) is the librarian/archivist for Lowell Observatory. As such, she is the curator for the Observatory's historical collection which includes extensive material from Percival Lowell's personal research and travels.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-10-26Last Updated: 2019-04-09

[ show close-approach data ]
Alternate Designations
 2001 FD104 = 1993 QM9 = 2000 AF155 = 4210 T-1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-11 11:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin