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66952 (1999 XF19)
Classification: Main-belt Asteroid          SPK-ID: 2066952
[ 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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2468775677219869 4.1812e-08  
a 2.624126499256156 1.1282e-08 au
q 1.976288531724984 1.1407e-07 au
i 5.204950602702905 3.801e-06 deg
node 49.1058602897718 4.063e-05 deg
peri 308.3474922175731 4.1281e-05 deg
M 3.197192510666675 6.3698e-06 deg
tp 2459186.710711327734
(2020-Dec-03.21071133)		 2.7453e-05 TDB
period 1552.657184531099
4.25		 1.0013e-05
2.741e-08		 d
yr
n .2318605829970894 1.4952e-09 deg/d
Q 3.271964466787329 1.4067e-08 au
   Orbit Determination Parameters
   # obs. used (total)      883  
   data-arc span      8320 days (22.78 yr)  
   first obs. used      1998-05-02  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52213  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:26:12  

Additional Information
 Earth MOID = .97613 au 
 Jupiter MOID = 2.19002 au 
 T_jup = 3.354 
[ 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 15.63   n/a E2021B10  
diameter diameter 4.678 km 0.695 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66952 (1999 XF19)          Discovered 1999-Dec-03 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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