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19559 (1999 JY80)
Classification: Main-belt Asteroid          SPK-ID: 2019559
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1846803358467237 4.6039e-08  
a 2.689452889993388 1.3918e-08 au
q 2.192763827025467 1.1965e-07 au
i 13.64807926997523 4.3678e-06 deg
node 135.6246027754028 1.7035e-05 deg
peri 214.8046391244547 2.0661e-05 deg
M 231.9420498814782 1.5614e-05 deg
tp 2459773.557741314319
(2022-Jul-13.05774131)
7.2722e-05 TDB
period 1610.995542894579
4.41
1.2506e-05
3.424e-08
d
yr
n .2234643054028349 1.7347e-09 deg/d
Q 3.186141952961308 1.6489e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1706  
   data-arc span      11229 days (30.74 yr)  
   first obs. used      1990-06-25  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49847  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:56:02  

Additional Information
 Earth MOID = 1.19685 au 
 Jupiter MOID = 2.2514 au 
 T_jup = 3.308 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456846.5 (2014-Jul-08.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1824039285759246 4.5585e-08  
q 2.2000060389792 1.1812e-07 au
tp 2456543.930136555012
(2013-Sep-08.43013655)
6.0141e-05 TDB
node 135.7023768120963 1.6994e-05 deg
peri 213.8023874976877 2.0779e-05 deg
i 13.65789028636367 4.369e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1706  
   data-arc span      11229 days (30.74 yr)  
   first obs. used      1990-06-25  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49847  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:56:02  

Additional Information
 Jupiter MOID = 2.2514 au 
 T_jup = 3.308 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.077997050175071E-15 -5.36349929440543E-15 8.057076474821862E-13 -6.195982138596457E-15 1.369620552979949E-13 2.346540963135555E-15
q -5.36349929440543E-15 1.395331021844584E-14 -1.880142459441719E-12 1.497712346192124E-14 -3.110586043388331E-13 -6.42483532950042E-15
tp 8.057076474821862E-13 -1.880142459441719E-12 3.616947284102408E-9 -1.753616067710133E-11 7.376420171142216E-10 -1.967295710047439E-12
node -6.195982138596457E-15 1.497712346192124E-14 -1.753616067710133E-11 2.887926275788297E-10 -2.839354517163818E-10 1.469970712107106E-11
peri 1.369620552979949E-13 -3.110586043388331E-13 7.376420171142216E-10 -2.839354517163818E-10 4.317863324937844E-10 -1.468906586915784E-11
i 2.346540963135555E-15 -6.42483532950042E-15 -1.967295710047439E-12 1.469970712107106E-11 -1.468906586915784E-11 1.908785496756395E-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 13.78   n/a E2021B10  
diameter diameter 5.705 km 0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.16874 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.260   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19559 (1999 JY80)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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