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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1252775124849464 3.0698e-08  
a 2.332959072539424 6.8542e-09 au
q 2.040691763202498 7.2268e-08 au
i 5.911808160088635 3.3105e-06 deg
node 123.262522954617 3.1638e-05 deg
peri 13.83178990533142 3.4339e-05 deg
M 135.1921422001799 1.2683e-05 deg
tp 2458907.726045067687
(2020-Feb-28.22604507)
4.5794e-05 TDB
period 1301.544756314977
3.56
5.7359e-06
1.57e-08
d
yr
n .2765944069562823 1.2189e-09 deg/d
Q 2.625226381876351 7.7129e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1904  
   data-arc span      11220 days (30.72 yr)  
   first obs. used      1990-09-28  
   last obs. used      2021-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49045  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:50:11  

Additional Information
 Earth MOID = 1.0557 au 
 Jupiter MOID = 2.39703 au 
 T_jup = 3.552 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457085.5 (2015-Mar-04.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1253962361310514 3.081e-08  
q 2.040502395462385 7.2653e-08 au
tp 2457607.347826060110
(2016-Aug-06.84782606)
4.605e-05 TDB
node 123.3019690519425 3.1632e-05 deg
peri 14.0278948785045 3.4309e-05 deg
i 5.912185560719839 3.311e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1904  
   data-arc span      11220 days (30.72 yr)  
   first obs. used      1990-09-28  
   last obs. used      2021-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49045  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:50:11  

Additional Information
 Jupiter MOID = 2.39703 au 
 T_jup = 3.552 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.492399021194484E-16 -2.23057980355815E-15 7.809414935109305E-14 1.232152260958572E-15 4.030546748362192E-14 -1.547898922168366E-16
q -2.23057980355815E-15 5.278499644912096E-15 -2.215247113646202E-13 -3.229436825860852E-15 -1.094379877518306E-13 4.078126747620359E-16
tp 7.809414935109305E-14 -2.215247113646202E-13 2.120637847920424E-9 -2.400757359125543E-12 6.20799926341875E-10 7.869603341038983E-13
node 1.232152260958572E-15 -3.229436825860852E-15 -2.400757359125543E-12 1.000598721642297E-9 -9.954007206371888E-10 6.050383266886298E-12
peri 4.030546748362192E-14 -1.094379877518306E-13 6.20799926341875E-10 -9.954007206371888E-10 1.177109174615232E-9 -5.79979411193567E-12
i -1.547898922168366E-16 4.078126747620359E-16 7.869603341038983E-13 6.050383266886298E-12 -5.79979411193567E-12 1.096264798826978E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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

Alternate Designations
 1990 UC5 = 1999 GX18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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