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22904 (1999 TL19)
Classification: Main-belt Asteroid          SPK-ID: 2022904
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08721488816891665 2.5768e-08  
a 2.621367079698041 9.1788e-09 au
q 2.392744842992497 6.6751e-08 au
i 4.781799464314826 3.4985e-06 deg
node 173.281289194159 3.547e-05 deg
peri 132.89075774 4.1629e-05 deg
M 65.48606743049662 2.0919e-05 deg
tp 2458918.508122770639
(2020-Mar-10.00812277)		 9.0209e-05 TDB
period 1550.208766319871
4.24		 8.1421e-06
2.229e-08		 d
yr
n .2322267863667321 1.2197e-09 deg/d
Q 2.849989316403585 9.9793e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1645  
   data-arc span      10190 days (27.90 yr)  
   first obs. used      1993-03-20  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48223  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:14:32  

Additional Information
 Earth MOID = 1.37915 au 
 Jupiter MOID = 2.33796 au 
 T_jup = 3.394 
[ show covariance matrix ]

[ 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 14.71   n/a E2021B10  
diameter diameter 6.734 km 0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22904 (1999 TL19)          Discovered 1999-Oct-09 by Uto, F. at Uto
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TL19 = 1995 WN11 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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