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15508 (1999 TE38)
Classification: Main-belt Asteroid          SPK-ID: 2015508
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2276527880763124 5.2316e-08  
a 2.877340818732934 1.5069e-08 au
q 2.222306159102602 1.4942e-07 au
i 3.506391188615201 5.0009e-06 deg
node 193.4610702855778 6.8908e-05 deg
peri 188.6016543634247 6.9504e-05 deg
M 116.3180815972296 1.2256e-05 deg
tp 2458624.489875403127
(2019-May-20.98987540)
5.801e-05 TDB
period 1782.729236997775
4.88
1.4005e-05
3.834e-08
d
yr
n .2019375643416619 1.5864e-09 deg/d
Q 3.532375478363265 1.85e-08 au
  Orbit Determination Parameters
   # obs. used (total)      909  
   data-arc span      15208 days (41.64 yr)  
   first obs. used      1979-07-26  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:00:22  

Additional Information
 Earth MOID = 1.22418 au 
 Jupiter MOID = 1.92709 au 
 T_jup = 3.254 
[ 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 14.8   n/a MPO266039  
diameter diameter 3.055 km 0.290 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.249   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15508 (1999 TE38)          Discovered 1999-Oct-01 by CSS at Catalina
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TE38 = 1979 OW12 = 1997 HJ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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