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JPL Small-Body Database Browser
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4590 Dimashchegolev (1968 OG1)
Classification: Main-belt Asteroid          SPK-ID: 2004590
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1823208894685775 4.2957e-08  
a 2.372665322883163 9.0537e-09 au
q 1.940078870803855 1.0129e-07 au
i 12.46441817711907 4.8765e-06 deg
node 168.276081969214 1.7606e-05 deg
peri 44.66887545187179 2.0753e-05 deg
M 32.63626757919187 1.0595e-05 deg
tp 2458479.481675520527
(2018-Dec-26.98167552)
3.9121e-05 TDB
period 1334.913580632222
3.65
7.6407e-06
2.092e-08
d
yr
n .2696803787324586 1.5436e-09 deg/d
Q 2.805251774962471 1.0704e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1637  
   data-arc span      18722 days (51.26 yr)  
   first obs. used      1968-07-25  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47449  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:37:42  

Additional Information
 Earth MOID = .956921 au 
 Jupiter MOID = 2.19418 au 
 T_jup = 3.490 
[ 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 13.2   n/a MPO337290  
rotation period rot_per 25.4 h n/a LCDB (Rev. 2019-January); 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:
[Warner, B.D. (2009) Minor Planet Bull. 36, 7-13.]

4590 Dimashchegolev           Discovered 1968 July 25 by G. A. Plyugin and Yu. A. Belyaev at Cerro El Roble.
Dimitrij Evgen'evich Shchegolev (1928-1988) was an astronomer at the Pulkovo Observatory known for his work on satellite geodesy and stellar spectrophotometry. He was chief of the Experimental Astronomy Department and worked at Pulkovo for 35 years. The name was suggested by the Pulkovo Observatory.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010705/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1968 OG1 = 1982 FV = 1989 AQ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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