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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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2226691845624541 3.6271e-08  
a 2.355189263188222 7.499e-09 au
q 1.830761190463853 8.3883e-08 au
i 4.106573865320764 3.7213e-06 deg
node 42.98102391517823 4.2003e-05 deg
peri 324.9593771543043 4.2722e-05 deg
M 230.6008242746959 1.0624e-05 deg
tp 2459871.032711151615
(2022-Oct-18.53271115)
4.0435e-05 TDB
period 1320.192150043003
3.61
6.3053e-06
1.726e-08
d
yr
n .2726875780834431 1.3024e-09 deg/d
Q 2.87961733591259 9.1688e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1915  
   data-arc span      12697 days (34.76 yr)  
   first obs. used      1986-10-04  
   last obs. used      2021-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51969  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 14:02:50  

Additional Information
 Earth MOID = .831049 au 
 Jupiter MOID = 2.58491 au 
 T_jup = 3.518 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457324.5 (2015-Oct-29.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2230157882561028 3.6336e-08  
q 1.830131501755337 8.409e-08 au
tp 2457227.561198622841
(2015-Jul-24.06119862)
3.3097e-05 TDB
node 43.01655527973872 4.2032e-05 deg
peri 324.4867036877375 4.2744e-05 deg
i 4.107011979393013 3.7186e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1915  
   data-arc span      12697 days (34.76 yr)  
   first obs. used      1986-10-04  
   last obs. used      2021-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51969  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 14:02:50  

Additional Information
 Jupiter MOID = 2.58491 au 
 T_jup = 3.518 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.320329141784981E-15 -3.04877425595821E-15 5.481687051349961E-13 3.511832365338462E-15 1.008446487710794E-13 -5.800130018168862E-16
q -3.04877425595821E-15 7.071154861269626E-15 -1.20495581700131E-12 -8.006654231074156E-15 -2.187061044137736E-13 1.346794886923398E-15
tp 5.481687051349961E-13 -1.20495581700131E-12 1.095411714691029E-9 2.430755412083167E-12 2.632248415531558E-10 -1.117454858682877E-12
node 3.511832365338462E-15 -8.006654231074156E-15 2.430755412083167E-12 1.766730864183203E-9 -1.761361920129585E-9 -6.452682946047272E-12
peri 1.008446487710794E-13 -2.187061044137736E-13 2.632248415531558E-10 -1.761361920129585E-9 1.827033040964674E-9 6.169976554707717E-12
i -5.800130018168862E-16 1.346794886923398E-15 -1.117454858682877E-12 -6.452682946047272E-12 6.169976554707717E-12 1.382773046742642E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.56   n/a MPO636300  
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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