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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2226691843112243 3.6294e-08  
a 2.355189263165211 7.5027e-09 au
q 1.83076119103766 8.3932e-08 au
i 4.106573864939572 3.7213e-06 deg
node 42.98102464027028 4.2063e-05 deg
peri 324.9593764691575 4.2781e-05 deg
M 230.6008242761976 1.0624e-05 deg
tp 2459871.032711139154
(2022-Oct-18.53271114)
4.0435e-05 TDB
period 1320.192150023655
3.61
6.3084e-06
1.727e-08
d
yr
n .2726875780874394 1.303e-09 deg/d
Q 2.879617335292762 9.1733e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1903  
   data-arc span      12669 days (34.69 yr)  
   first obs. used      1986-10-04  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51987  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:30:18  

Additional Information
 Earth MOID = .831049 au 
 Jupiter MOID = 2.58491 au 
 T_jup = 3.518 
[ 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 14.54   n/a E2021B10  
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. 2020-October); 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

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