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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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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05537719050035156 4.2652e-08  
a 2.929138475733249 1.8307e-08 au
q 2.76693101636066 1.3067e-07 au
i 2.294432515138446 5.1649e-06 deg
node 37.22682427986183 0.00012422 deg
peri 80.71021283358955 0.0001399 deg
M 33.42862235055809 6.0528e-05 deg
tp 2459030.470506784070
(2020-Jun-29.97050678)
0.00030791 TDB
period 1831.084060713998
5.01
1.7166e-05
4.7e-08
d
yr
n .1966048461257559 1.8432e-09 deg/d
Q 3.091345935105839 1.9321e-08 au
  Orbit Determination Parameters
   # obs. used (total)      843  
   data-arc span      18199 days (49.83 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53878  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:17:11  

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 14.76   n/a E2021B10  

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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1903-Feb-28 06:12 00:03 Jupiter 1.9616771056342 1.96167655097023 1.96167766029862 3.19330050513046 3.05509383716283 2416173.758419156 3.04672379990392 131.394526527766 17.4065144091796 -85.0098048732907 2574842.73848976 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 03:17:13 2021-Feb-24 03:17
1998-Oct-10 22:54 < 00:01 Jupiter 1.96187369463311 1.96187312981847 1.96187425944775 3.34316689569665 3.2114298472876 2451097.454040989 0.495822691017135 48.7817491510833 19.9222689884435 88.7687612739764 2354630.96552125 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 03:17:13 2021-Feb-24 03:17
2033-Jun-19 20:06 < 00:01 Jupiter 1.97163391473406 1.97163345930528 1.97163437016272 3.1863873504781 3.04858256206378 2463768.337241882 0.603884978882637 47.4841353167192 14.8682006849094 87.4671760894183 2785250.27961383 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 03:17:13 2021-Feb-24 03:17
2129-Jan-31 21:26 00:03 Jupiter 1.94895096719418 1.9489504129953 1.94895152139316 3.25796229077808 3.12171581697894 2498692.393189496 3.14689487663317 157.305218631358 18.4936576218064 89.6514459451339 2403299.09709915 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 03:17:13 2021-Feb-24 03:17
2163-Oct-11 01:53 00:04 Jupiter 1.98993233253283 1.98993159494148 1.98993307012611 3.21172418844588 3.07633944886222 2511362.578611558 4.10579686658879 136.535295100886 17.7358770516723 -78.3932515093101 3012187.65546151 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 03:17:13 2021-Feb-24 03:17

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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