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7126 Cureau (1991 GJ4)
Classification: Main-belt Asteroid          SPK-ID: 2007126
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07181718043348533 3.5097e-08  
a 2.843431004504954 1.3531e-08 au
q 2.639223807004255 1.0465e-07 au
i 1.259819599215547 4.5851e-06 deg
node 219.6833057207723 0.0001498 deg
peri 109.418364082067 0.00015288 deg
M 264.6225773626899 3.1288e-05 deg
tp 2459464.486719861125
(2021-Sep-06.98671986)
0.0001526 TDB
period 1751.307746962155
4.79
1.2501e-05
3.423e-08
d
yr
n .2055606735163831 1.4673e-09 deg/d
Q 3.047638202005652 1.4503e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1962  
   data-arc span      11575 days (31.69 yr)  
   first obs. used      1988-10-07  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47119  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:38:02  

Additional Information
 Earth MOID = 1.62825 au 
 Jupiter MOID = 2.19174 au 
 T_jup = 3.304 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457040.5 (2015-Jan-18.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07048030751751731 3.5156e-08  
q 2.64362494591559 1.0467e-07 au
tp 2457714.866694290464
(2016-Nov-22.36669429)
0.00015422 TDB
node 219.7044110917796 0.00014985 deg
peri 109.8411949464604 0.00015304 deg
i 1.259258223580008 4.5847e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1962  
   data-arc span      11575 days (31.69 yr)  
   first obs. used      1988-10-07  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47119  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:38:02  

Additional Information
 Jupiter MOID = 2.19174 au 
 T_jup = 3.304 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.235954234608655E-15 -3.655778416150767E-15 1.272450807171979E-12 2.020564279946274E-15 2.927548143968831E-13 -3.473001243582381E-18
q -3.655778416150767E-15 1.095538446294371E-14 -3.539581723824447E-12 -8.026420050335439E-15 -8.301571849333634E-13 1.89393067384936E-16
tp 1.272450807171979E-12 -3.539581723824447E-12 2.378290208162732E-8 -2.702619049501752E-12 4.800347833348101E-9 3.143624103365755E-13
node 2.020564279946274E-15 -8.026420050335439E-15 -2.702619049501752E-12 2.24542028987509E-8 -2.244902220672101E-8 -1.029635411828667E-10
peri 2.927548143968831E-13 -8.301571849333634E-13 4.800347833348101E-9 -2.244902220672101E-8 2.342098021049264E-8 1.030056549159884E-10
i -3.473001243582381E-18 1.89393067384936E-16 3.143624103365755E-13 -1.029635411828667E-10 1.030056549159884E-10 2.101939984529172E-11

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 13.7   n/a MPO473864  
diameter diameter 5.741 km 0.142 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.213   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7126 Cureau (1991 GJ4)          Discovered 1991-Apr-08 by Elst, E. W. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 GJ4 = 1990 BT4 = 1992 OH10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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