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15699 Lyytinen (1986 VM6)
Classification: Main-belt Asteroid          SPK-ID: 2015699
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2222933947792092 3.9697e-08  
a 2.355892190409344 8.1911e-09 au
q 1.832192917669424 9.1096e-08 au
i 4.105860604941031 3.805e-06 deg
node 42.98979580032707 4.9604e-05 deg
peri 324.949696656683 5.0293e-05 deg
M 122.6451821179191 1.0327e-05 deg
tp 2458550.534167679815
(2019-Mar-08.03416768)
3.6668e-05 TDB
period 1320.783228806501
3.62
6.8882e-06
1.886e-08
d
yr
n .2725655445559426 1.4215e-09 deg/d
Q 2.879591463149264 1.0012e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1633  
   data-arc span      12258 days (33.56 yr)  
   first obs. used      1986-10-04  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52378  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:14:15  

Additional Information
 Earth MOID = .833289 au 
 Jupiter MOID = 2.58317 au 
 T_jup = 3.517 
[ 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 14.5   n/a MPO439202  
diameter diameter 2.780 km 0.383 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 2.7818 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:
[Behrend, R. (2015) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.143   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15699 Lyytinen           Discovered 1986 Nov. 6 by E. Bowell at the Anderson Mesa Station of the Lowell Observatory.
Esko Lyytinen (b. 1942) is a Finnish amateur astronomer who has made measurements of, and published models on, meteor dust trails over more than a decade. His contributions include the prediction of the time and duration of meteor outbursts.
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 2014-07-12Last Updated: 2014-08-13

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Alternate Designations
 1986 VM6 = 1997 XM9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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