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10471 Marciniak (1981 EH20)
Classification: Main-belt Asteroid          SPK-ID: 2010471
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1438679667926382 3.5664e-08  
a 2.706208624051437 1.1695e-08 au
q 2.316871891592454 9.8813e-08 au
i 2.457712043534711 4.302e-06 deg
node 183.2091657213801 7.9586e-05 deg
peri 67.64942804219555 8.0841e-05 deg
M 276.0755158926423 1.4964e-05 deg
tp 2459579.576198678613
(2021-Dec-31.07619868)
6.8102e-05 TDB
period 1626.074118605591
4.45
1.054e-05
2.886e-08
d
yr
n .2213921222168588 1.4351e-09 deg/d
Q 3.09554535651042 1.3377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      958  
   data-arc span      16016 days (43.85 yr)  
   first obs. used      1977-05-18  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5363  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 00:40:09  

Additional Information
 Earth MOID = 1.30253 au 
 Jupiter MOID = 1.93746 au 
 T_jup = 3.349 
[ 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 15.36   n/a MPCxxxxx  

10471 Marciniak           Discovered 1981 Mar. 2 by S. J. Bus at Siding Spring.
Anna Marciniak (b. 1979) is a researcher at the Astronomical Observatory of the Adam Mickiewic University in Poznan, Poland studying the spin and shape properties of long-period main-belt asteroids.
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 2017-03-12Last Updated: 2017-04-19

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