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78072 (2002 LY11)
Classification: Main-belt Asteroid          SPK-ID: 2078072
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2427207240209334 3.3137e-08  
a 2.743296599902578 1.2259e-08 au
q 2.077441662970059 9.5053e-08 au
i 14.65792198668908 4.2088e-06 deg
node 239.0276829737936 1.4604e-05 deg
peri 49.59939968849746 1.7711e-05 deg
M 327.5569158066327 8.6879e-06 deg
tp 2459150.064046815833
(2020-Oct-27.56404682)
4.0121e-05 TDB
period 1659.615853190296
4.54
1.1124e-05
3.046e-08
d
yr
n .2169176676084219 1.454e-09 deg/d
Q 3.409151536835096 1.5234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1131  
   data-arc span      9368 days (25.65 yr)  
   first obs. used      1995-02-03  
   last obs. used      2020-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52362  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:28:21  

Additional Information
 Earth MOID = 1.09275 au 
 Jupiter MOID = 1.84341 au 
 T_jup = 3.260 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457411.5 (2016-Jan-24.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2415800105434266 3.3144e-08  
q 2.081046407045471 9.501e-08 au
tp 2457489.741598571536
(2016-Apr-11.24159857)
4.1028e-05 TDB
node 239.037808401308 1.4602e-05 deg
peri 49.55106733427665 1.774e-05 deg
i 14.65567400272764 4.2085e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1131  
   data-arc span      9368 days (25.65 yr)  
   first obs. used      1995-02-03  
   last obs. used      2020-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52362  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:28:21  

Additional Information
 Jupiter MOID = 1.84341 au 
 T_jup = 3.260 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.09854472003795E-15 -3.136268210034671E-15 2.134354734880661E-14 5.771515821336571E-15 3.475932891399767E-14 -2.434143695460465E-15
q -3.136268210034671E-15 9.026967850992747E-15 -1.312975254197113E-13 -1.919440674580352E-14 -1.136061635312896E-13 8.406550074488548E-15
tp 2.134354734880661E-14 -1.312975254197113E-13 1.683325057357516E-9 -8.576378049720327E-13 4.23539520244051E-10 -2.110206381294873E-12
node 5.771515821336571E-15 -1.919440674580352E-14 -8.576378049720327E-13 2.132088025922586E-10 -2.064065912656262E-10 -1.005278451324878E-11
peri 3.475932891399767E-14 -1.136061635312896E-13 4.23539520244051E-10 -2.064065912656262E-10 3.147229929916038E-10 9.350565665172451E-12
i -2.434143695460465E-15 8.406550074488548E-15 -2.110206381294873E-12 -1.005278451324878E-11 9.350565665172451E-12 1.771139424250252E-11

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 14.4   n/a MPO266287  
diameter diameter 3.714 km 0.890 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 49.4364 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.244   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78072 (2002 LY11)          Discovered 2002-Jun-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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