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243073 Freistetter (2007 HT3)
Classification: Main-belt Asteroid          SPK-ID: 2243073
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .196364174859379 1.2312e-07  
a 3.176518299810728 1.0189e-07 AU
q 2.552763904942677 3.4006e-07 AU
i 30.54538521570442 1.5914e-05 deg
node 55.48403650491142 2.6156e-05 deg
peri 211.150398556412 6.6606e-05 deg
M 78.89368486281735 5.0987e-05 deg
tp 2456547.325765780124
(2013-Sep-11.82576578)
0.00029964 JED
period 2067.880649798939
5.66
9.9493e-05
2.724e-07
d
yr
n .1740912852175502 8.3762e-09 deg/d
Q 3.800272694678779 1.219e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      3986 days (10.91 yr)  
   first obs. used      2003-10-18  
   last obs. used      2014-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52734  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 20:24:25  

Additional Information
 Earth MOID = 1.57153 AU 
 T_jup = 2.958 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1 mag n/a MPO266671  

243073 Freistetter           Discovered 2007 Apr. 16 by A. Knöfel at Drebach.
Florian Freistetter (b. 1977) is an astronomer and science writer. He has written popular science books and articles, and he established the German-speaking science blog Astrodicticum Simplex.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20130127/MPCPages.arcLast Updated: 2013-01-31

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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