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8651 Alineraynal (1989 YU5)
Classification: Mars-crossing Asteroid          SPK-ID: 2008651
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2780118023428848 4.1203e-08  
a 2.294363660398259 8.2293e-09 au
q 1.656503483940921 9.4256e-08 au
i 2.035644778990097 3.2736e-06 deg
node 271.4311172997509 0.00013162 deg
peri 106.1258442180515 0.00013173 deg
M 324.7392698533326 9.8721e-06 deg
tp 2459124.831338823594
(2020-Oct-02.33133882)
3.5337e-05 TDB
period 1269.380463487771
3.48
6.8294e-06
1.87e-08
d
yr
n .2836029152448573 1.5258e-09 deg/d
Q 2.932223836855597 1.0517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1619  
   data-arc span      15873 days (43.46 yr)  
   first obs. used      1975-12-24  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53512  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:00:14  

Additional Information
 Earth MOID = .659827 au 
 Jupiter MOID = 2.53944 au 
 T_jup = 3.543 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456407.5 (2013-Apr-25.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2780028843293704 4.1089e-08  
q 1.656447130737032 9.396e-08 au
tp 2456587.355896261472
(2013-Oct-21.85589626)
2.6216e-05 TDB
node 271.549170447181 0.00013154 deg
peri 106.1764422025403 0.00013165 deg
i 2.036227152233804 3.2747e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1619  
   data-arc span      15873 days (43.46 yr)  
   first obs. used      1975-12-24  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53512  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:00:14  

Additional Information
 Jupiter MOID = 2.53944 au 
 T_jup = 3.543 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.688314280177534E-15 -3.853381616900577E-15 -2.13621840827303E-13 8.135871331709303E-15 -7.339181237820324E-14 -8.584858516676508E-16
q -3.853381616900577E-15 8.828424186739756E-15 5.726361201576689E-13 -1.717938162523815E-14 1.834134159264208E-13 1.983916990813298E-15
tp -2.13621840827303E-13 5.726361201576689E-13 6.87288440399901E-10 4.478613812193491E-12 1.690558302626951E-10 4.139318805887007E-13
node 8.135871331709303E-15 -1.717938162523815E-14 4.478613812193491E-12 1.730378613960693E-8 -1.729159496534549E-8 6.021753097935624E-12
peri -7.339181237820324E-14 1.834134159264208E-13 1.690558302626951E-10 -1.729159496534549E-8 1.733162360249834E-8 -5.909325369587292E-12
i -8.584858516676508E-16 1.983916990813298E-15 4.139318805887007E-13 6.021753097935624E-12 -5.909325369587292E-12 1.072343867377761E-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 14.5   n/a MPO337329  
diameter diameter 3.754 km 0.745 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.237   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

8651 Alineraynal           Discovered 1989 Dec. 29 by E. W. Elst at Haute Provence.
Aline Raynal-Roques (b. 1937), professor of botany at the Muséum National d´Histoire Naturelle de Paris, is known for her investigations on taxonomy of tropical plants, mostly parasitic and aquatic, and research in the Sahel desert. Her work was honored in 1995 by the Institut de France.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19991123/MPCPages.arcLast Updated: 2010-06-11

[ show close-approach data ]
Alternate Designations
 1989 YU5 = 1940 RA1 = 1975 YO = 1982 YH4 = 1982 YK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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