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154865 Stefanheutz (2004 RO84)
Classification: Main-belt Asteroid          SPK-ID: 2154865
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1337363336282297 1.5064e-07  
a 2.846829198807377 5.1582e-08 AU
q 2.466104699293088 4.4224e-07 AU
i 15.12864927669697 1.5321e-05 deg
node 199.9102688945333 3.199e-05 deg
peri 191.8096278267611 4.5233e-05 deg
M 27.76782718582417 3.6998e-05 deg
tp 2456865.174406246736
(2014-Jul-26.67440625)
0.00017832 JED
period 1754.448175766725
4.80
4.7683e-05
1.305e-07
d
yr
n .2051927238276352 5.5768e-09 deg/d
Q 3.227553698321666 5.848e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      245  
   data-arc span      5409 days (14.81 yr)  
   first obs. used      1999-10-09  
   last obs. used      2014-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58222  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 16:46:44  

Additional Information
 Earth MOID = 1.47248 AU 
 T_jup = 3.243 
[ 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 15.3 mag n/a MPO268116  

154865 Stefanheutz           Discovered 2004 Sept. 9 by W. Ries at Altschwendt.
Stefan Heutz (b. 1980) is a German jurist and amateur astrophotographer. His pictures and articles are published in books, magazines and in the internet. The naming of this minor planet is in appreciation of his efforts to encourage and promote astronomy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070730/MPCPages.arcLast Updated: 2007-08-07

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