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JPL Small-Body Database Browser
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4307 Cherepashchuk (1976 UK2)
Classification: Main-belt Asteroid          SPK-ID: 2004307
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0776781646696635 3.9598e-08  
a 2.411952609861578 8.6343e-09 au
q 2.224596557857326 9.6338e-08 au
i 5.180054728803388 4.5348e-06 deg
node 24.23976477486622 3.7949e-05 deg
peri 309.9260726921257 4.4658e-05 deg
M 174.1828926340394 2.3232e-05 deg
tp 2457938.505196373319
(2017-Jul-04.00519637)
8.8306e-05 TDB
period 1368.206289961637
3.75
7.3469e-06
2.011e-08
d
yr
n .263118217363329 1.4129e-09 deg/d
Q 2.59930866186583 9.305e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2178  
   data-arc span      15538 days (42.54 yr)  
   first obs. used      1976-10-24  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46409  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 00:21:28  

Additional Information
 Earth MOID = 1.21828 au 
 Jupiter MOID = 2.65255 au 
 T_jup = 3.509 
[ 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 13.0   n/a MPO365299  
rotation period rot_per 2.724 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

4307 Cherepashchuk (1976 UK2)          Discovered 1976-Oct-26 by Smirnova, T. M. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1976 UK2 = 1978 EO6 = 1986 GY2 = 1987 SY11 = 1988 YL 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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