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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2780064381306204 3.9519e-08  
a 2.294415821262998 4.3296e-09 au
q 1.65655345120313 8.9765e-08 au
i 2.035457388780174 2.5646e-06 deg
node 271.4248302078259 0.00011426 deg
peri 106.1866177533639 0.00011433 deg
M 77.01129170007331 4.0062e-06 deg
tp 2459124.944547719446
(2020-Oct-02.44454772)
1.4051e-05 TDB
period 1269.423751541964
3.48
3.5931e-06
9.837e-09
d
yr
n .2835932442281071 8.0272e-10 deg/d
Q 2.932278191322866 5.5332e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2349  
   data-arc span      16540 days (45.28 yr)  
   first obs. used      1975-12-24  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46869  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 15:49:57  

Additional Information
 Earth MOID = .65912 au 
 Jupiter MOID = 2.5414 au 
 T_jup = 3.543 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.60   n/a MPCxxxxx  
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

Alternate Designations
 1989 YU5 = 1940 RA1 = 1975 YO = 1982 YH4 = 1982 YK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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