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144333 Marcinkiewicz (2004 DT25)
Classification: Main-belt Asteroid          SPK-ID: 2144333
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1502508141807367 5.9503e-08  
a 2.689129944746719 1.2928e-08 au
q 2.285085981110725 1.6141e-07 au
i 13.0142853458784 4.3016e-06 deg
node 8.165006284955968 1.9407e-05 deg
peri 348.4565157803353 2.7488e-05 deg
M 92.11751024539258 1.7376e-05 deg
tp 2458788.349528853421
(2019-Oct-31.84952885)
7.6574e-05 TDB
period 1610.705382912689
4.41
1.1616e-05
3.18e-08
d
yr
n .2235045613053088 1.6118e-09 deg/d
Q 3.093173908382713 1.4871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      705  
   data-arc span      7646 days (20.93 yr)  
   first obs. used      2000-03-29  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48306  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:52:02  

Additional Information
 Earth MOID = 1.28147 au 
 Jupiter MOID = 2.3603 au 
 T_jup = 3.320 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO348307  
rotation period rot_per 15.18 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Masiero, J.; Jedicke, R.; Durecy, J.; Gwyn, S.; et al. (2009) Icarus 204, 145-171.]

144333 Marcinkiewicz           Discovered 2004 Feb. 20 by W. Ries at Altschwendt.
Ekhard Marcinkiewicz (b. 1928) is a well-known amateur astronomer in Austria. He documented the sun accurately and consistently in thousands of drawings over many decades and has played an important role in Austrian solar research.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070926/MPCPages.arcLast Updated: 2007-09-30

Alternate Designations
 2004 DT25 = 2000 FT50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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