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187125 Marxgyorgy (2005 QD87)
Classification: Main-belt Asteroid          SPK-ID: 2187125
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08276563893382005 5.5626e-08  
a 2.626772917882028 1.8904e-08 au
q 2.409366378999467 1.4245e-07 au
i 15.61057845790445 4.8873e-06 deg
node 142.4194242375699 1.9652e-05 deg
peri 259.7299134704119 3.402e-05 deg
M 187.9604469531501 2.7709e-05 deg
tp 2459943.618420495311
(2022-Dec-30.11842050)
0.00012057 TDB
period 1555.006547276136
4.26
1.6786e-05
4.596e-08
d
yr
n .2315102792529089 2.4991e-09 deg/d
Q 2.844179456764589 2.0468e-08 au
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      6757 days (18.50 yr)  
   first obs. used      2001-10-28  
   last obs. used      2020-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58828  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:07  

Additional Information
 Earth MOID = 1.46802 au 
 Jupiter MOID = 2.46563 au 
 T_jup = 3.345 
[ 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 15.92   n/a E2021B55  
rotation period rot_per 310.089 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

187125 Marxgyörgy           Discovered 2005 Aug. 31 by K. Sárneczky and Z. Kuli at Piszkesteto.
György Marx (1927-2002) was a Hungarian physicist and astrophysicist, a full member of the Hungarian Academy of Sciences, and head of the Department of Atomic Physics in Eötvös Loránd University. He was the winner of the 2002 annual science communication award of the Club of Hungarian Science Journalists.
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 2016-03-23Last Updated: 2016-03-24

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