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66331 (1999 JY59)
Classification: Main-belt Asteroid          SPK-ID: 2066331
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .2081714723289765 3.7239e-08  
a 2.386664305284353 8.7729e-09 au
q 1.889828882898295 8.7473e-08 au
i 2.760928261165192 4.4283e-06 deg
node 140.8646890984923 6.2349e-05 deg
peri 148.9364724627463 6.3065e-05 deg
M 220.0778874102805 9.2061e-06 deg
tp 2459523.942867687820
(2021-Nov-05.44286769)
3.5983e-05 TDB
period 1346.745191877988
3.69
7.4255e-06
2.033e-08
d
yr
n .2673111455463917 1.4739e-09 deg/d
Q 2.883499727670411 1.0599e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1277  
   data-arc span      7650 days (20.94 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53776  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 12:59:20  

Additional Information
 Earth MOID = .874217 au 
 Jupiter MOID = 2.30035 au 
 T_jup = 3.503 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456724.5 (2014-Mar-08.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2089324984955549 3.7238e-08  
q 1.887637511406391 8.7543e-08 au
tp 2456831.031122416280
(2014-Jun-22.53112242)
3.0066e-05 TDB
node 140.8962462403423 6.2332e-05 deg
peri 149.0010259174911 6.3043e-05 deg
i 2.761084531083738 4.4304e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1277  
   data-arc span      7650 days (20.94 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53776  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 12:59:20  

Additional Information
 Jupiter MOID = 2.30035 au 
 T_jup = 3.503 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.386677911519994E-15 -3.250361815842791E-15 3.371140487262895E-13 -5.643603163912922E-15 8.917275344047368E-14 -1.169126105757738E-15
q -3.250361815842791E-15 7.663761032879589E-15 -7.683867276678682E-13 1.358209401558505E-14 -2.050930403708063E-13 2.795289781738327E-15
tp 3.371140487262895E-13 -7.683867276678682E-13 9.039383161221374E-10 -8.469865651400939E-13 2.886667165885087E-10 -5.141709355450955E-13
node -5.643603163912922E-15 1.358209401558505E-14 -8.469865651400939E-13 3.88527460881987E-9 -3.880419904794997E-9 -5.706654749265124E-12
peri 8.917275344047368E-14 -2.050930403708063E-13 2.886667165885087E-10 -3.880419904794997E-9 3.974467629758737E-9 5.570910154884312E-12
i -1.169126105757738E-15 2.795289781738327E-15 -5.141709355450955E-13 -5.706654749265124E-12 5.570910154884312E-12 1.962837574130857E-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 15.3   n/a MPO453059  
diameter diameter 2.553 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.247   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

66331 (1999 JY59)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JY59 = 2000 WY46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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