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5038 Overbeek (1948 KF)
Classification: Mars-crossing Asteroid          SPK-ID: 2005038
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .281371363409803 3.15e-08  
a 2.311767990580351 8.4438e-09 au
q 1.661302679183617 7.2762e-08 au
i 10.92670886820729 4.6887e-06 deg
node 65.65825908546722 1.8743e-05 deg
peri 219.5763753856789 2.0659e-05 deg
M 155.7914006835308 1.1058e-05 deg
tp 2458444.908264178834
(2018-Nov-22.40826418)
3.8277e-05 TDB
period 1283.851509249341
3.51
7.034e-06
1.926e-08
d
yr
n .2804062599190223 1.5363e-09 deg/d
Q 2.962233301977085 1.082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1926  
   data-arc span      26254 days (71.88 yr)  
   first obs. used      1948-05-31  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45282  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:15:44  

Additional Information
 Earth MOID = .661087 au 
 Jupiter MOID = 2.23598 au 
 T_jup = 3.507 
[ 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 13.8   n/a MPO452237  
diameter diameter 3.761 km 0.770 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 4.038 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.400   0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

5038 Overbeek           Discovered 1948 May 31 by E. L. Johnson at Johannesburg.
Michiel Daniel Overbeek (b. 1920) is a prolific South African observer of variable stars and occultations. A past president of the Astronomical Society of Southern Africa and director of its occultation section, he is actively involved in fostering amateur astronomers in Southern Africa.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001111/MPCPages.arcLast Updated: 2013-03-29

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Alternate Designations
 1948 KF = 1983 HP 
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