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30832 Urbaincreve (1990 UC5)
Classification: Main-belt Asteroid          SPK-ID: 2030832
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1254909589934184 3.0951e-08  
a 2.332428825634451 7.0044e-09 au
q 2.039730095521691 7.3032e-08 au
i 5.911916329748556 3.3198e-06 deg
node 123.2617466044179 3.1889e-05 deg
peri 13.7517802828608 3.4625e-05 deg
M 81.03834371937977 1.2732e-05 deg
tp 2458907.613683298588
(2020-Feb-28.11368330)
4.6023e-05 TDB
period 1301.101048876612
3.56
5.8609e-06
1.605e-08
d
yr
n .2766887324476671 1.2464e-09 deg/d
Q 2.625127555747211 7.8833e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1861  
   data-arc span      10850 days (29.71 yr)  
   first obs. used      1990-09-28  
   last obs. used      2020-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49001  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:40:52  

Additional Information
 Earth MOID = 1.05401 au 
 Jupiter MOID = 2.39777 au 
 T_jup = 3.552 
[ 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 14.63   n/a E2021B10  
rotation period rot_per 2.75952 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.]

30832 Urbaincreve           Discovered 1990 Oct. 16 by E. W. Elst at the European Southern Observatory.
Urbain Creve (1950-2011) was a well-known doctor of medicine at the Stuivenberg clinic in Antwerp and a good friend of the discoverer.
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 2014-09-09Last Updated: 2014-11-10

[ show close-approach data ]
Alternate Designations
 1990 UC5 = 1999 GX18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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