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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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1252775127028634 3.0677e-08  
a 2.332959072472412 6.8492e-09 au
q 2.040691762635489 7.221e-08 au
i 5.911808165611578 3.31e-06 deg
node 123.2625230754377 3.1613e-05 deg
peri 13.8317899268605 3.4309e-05 deg
M 135.1921421107588 1.2675e-05 deg
tp 2458907.726045412039
(2020-Feb-28.22604541)
4.5761e-05 TDB
period 1301.544756258898
3.56
5.7317e-06
1.569e-08
d
yr
n .2765944069681998 1.2181e-09 deg/d
Q 2.625226382309335 7.7072e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1907  
   data-arc span      11237 days (30.77 yr)  
   first obs. used      1990-09-28  
   last obs. used      2021-07-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49017  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 16:00:59  

Additional Information
 Earth MOID = 1.0557 au 
 Jupiter MOID = 2.39703 au 
 T_jup = 3.552 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457088.5 (2015-Mar-07.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1253974167223081 3.0788e-08  
q 2.040495570783797 7.2594e-08 au
tp 2457607.350275512411
(2016-Aug-06.85027551)
4.6009e-05 TDB
node 123.3019583936565 3.1607e-05 deg
peri 14.02886630209108 3.4279e-05 deg
i 5.912184360011929 3.3105e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1907  
   data-arc span      11237 days (30.77 yr)  
   first obs. used      1990-09-28  
   last obs. used      2021-07-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49017  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 16:00:59  

Additional Information
 Jupiter MOID = 2.39703 au 
 T_jup = 3.552 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.479134524354365E-16 -2.227196371288492E-15 7.58534149059945E-14 1.237931378607863E-15 3.951262547594921E-14 -1.543307674061243E-16
q -2.227196371288492E-15 5.269872109996076E-15 -2.158258526703784E-13 -3.240885197504303E-15 -1.074249040758871E-13 4.067858670847249E-16
tp 7.58534149059945E-14 -2.158258526703784E-13 2.116800199396006E-9 -2.430335140154782E-12 6.194865656625758E-10 7.858818408969914E-13
node 1.237931378607863E-15 -3.240885197504303E-15 -2.430335140154782E-12 9.989918450790681E-10 -9.938124044156244E-10 5.976292871206093E-12
peri 3.951262547594921E-14 -1.074249040758871E-13 6.194865656625758E-10 -9.938124044156244E-10 1.175069113538768E-9 -5.726455558693583E-12
i -1.543307674061243E-16 4.067858670847249E-16 7.858818408969914E-13 5.976292871206093E-12 -5.726455558693583E-12 1.095922002034867E-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 14.64   n/a MPO636513  
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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