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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05540722335221174 4.5018e-08  
a 2.92931595612835 1.9626e-08 au
q 2.767010692677949 1.3954e-07 au
i 2.294404411433019 5.3365e-06 deg
node 37.23409099124576 0.00012495 deg
peri 80.84787838482093 0.00014051 deg
M 353.9787559377529 6.0557e-05 deg
tp 2459031.128905858512
(2020-Jun-30.62890586)
0.00030804 TDB
period 1831.25048496193
5.01
1.8404e-05
5.039e-08
d
yr
n .1965869786554536 1.9757e-09 deg/d
Q 3.091621219578752 2.0714e-08 au
  Orbit Determination Parameters
   # obs. used (total)      820  
   data-arc span      18123 days (49.62 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54122  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:28:32  

Additional Information
 Earth MOID = 1.78434 au 
 Jupiter MOID = 1.9454 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 14.7   n/a MPO381468  

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 ]
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