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288478 Fahlman (2004 FA17)
Classification: Main-belt Asteroid          SPK-ID: 2288478
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1820393321550804 5.2849e-08  
a 2.800912489995002 2.9836e-08 au
q 2.291036250891489 1.5029e-07 au
i 7.353520709298358 7.7839e-06 deg
node 216.438059859673 3.7872e-05 deg
peri 45.30754137308013 4.3689e-05 deg
M 80.43351901462366 2.307e-05 deg
tp 2458617.955197118159
(2019-May-14.45519712)
0.00010613 TDB
period 1712.173366583954
4.69
2.7357e-05
7.49e-08
d
yr
n .2102590818348347 3.3595e-09 deg/d
Q 3.310788729098516 3.5267e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      7447 days (20.39 yr)  
   first obs. used      2000-06-03  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53361  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 20:14:38  

Additional Information
 Earth MOID = 1.28301 au 
 Jupiter MOID = 1.77316 au 
 T_jup = 3.289 
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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 16.7   n/a MPO437300  
diameter diameter 2.701 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

288478 Fahlman           Discovered 2004 Mar. 16 by D. D. Balam at Mauna Kea.
Gregory Gaylord Fahlman (b. 1944) has served since 2003 as the Director General of the Herzberg Institute of Astrophysics, National Research Council of Canada. He has made extensive contributions to studies of globular star clusters using ground- and space-based telescopes.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120207/MPCPages.arcLast Updated: 2012-02-09

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Alternate Designations
 2004 FA17 = 2006 US193 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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