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66381 (1999 JZ126)
Classification: Main-belt Asteroid          SPK-ID: 2066381
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2172132252775969 3.5624e-08  
a 2.387409372206873 9.2096e-09 au
q 1.868832482411855 8.3485e-08 au
i 4.913582506064927 3.9564e-06 deg
node 225.353534012004 4.5489e-05 deg
peri 77.16109567172472 4.6394e-05 deg
M 263.0120330183483 1.0948e-05 deg
tp 2459563.497909289079
(2021-Dec-14.99790929)
4.2126e-05 TDB
period 1347.37587982219
3.69
7.7964e-06
2.135e-08
d
yr
n .2671860209101475 1.546e-09 deg/d
Q 2.90598626200189 1.121e-08 au
  Orbit Determination Parameters
   # obs. used (total)      824  
   data-arc span      8871 days (24.29 yr)  
   first obs. used      1996-12-05  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53786  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:01:41  

Additional Information
 Earth MOID = .859133 au 
 Jupiter MOID = 2.34712 au 
 T_jup = 3.497 
[ 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 15.75   n/a E2021B10  
diameter diameter 1.592 km 0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.366   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

66381 (1999 JZ126)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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