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JPL Small-Body Database Browser
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5523 Luminet (1991 PH8)
Classification: Main-belt Asteroid          SPK-ID: 2005523
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .013317617994915 3.5544e-08  
a 2.833559263744161 1.3999e-08 au
q 2.795823003903664 1.0309e-07 au
i 3.359175329849145 3.9769e-06 deg
node 88.0564665386195 6.2879e-05 deg
peri 169.7293765813902 0.00015722 deg
M 69.66461365171207 0.00014309 deg
tp 2458663.362851289572
0.00069295 TDB
period 1742.195458694992
n .2066358273426229 1.5314e-09 deg/d
Q 2.871295523584659 1.4186e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2256  
   data-arc span      14425 days (39.49 yr)  
   first obs. used      1980-02-21  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .483  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 00:50:51  

Additional Information
 Earth MOID = 1.78035 au 
 Jupiter MOID = 2.10646 au 
 T_jup = 3.310 
[ show covariance matrix ]

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 12.9   n/a MPO358684  
diameter diameter 8.093 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 53.326 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.224   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

5523 Luminet           Discovered 1991 Aug. 5 by H. E. Holt at Palomar.
Named in honor of Jean-Pierre Luminet (b. 1951), French researcher at the Paris Observatory. Luminet specializes in general relativity and its applications to cosmology and astrophysics. He was the first to "visualize" numerically accretion disks around black holes, and he discovered the phenomenon of "crèpe stellaire", which causes the crushing of stars by the tidal forces of giant black holes. In cosmology, Luminet proposed a series of models of "univers chiffonnés", in which complex topologies create ghost images. He is deeply involved in science outreach, both by publishing popular books and as a TV broadcaster. Name suggested and citation prepared by M. A. Barucci.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990728/MPCPages.arcLast Updated: 2010-06-11

[ show close-approach data ]
Alternate Designations
 1991 PH8 = 1980 DB5 = 1987 UX7 = 1989 AH1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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