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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2275036534077484 5.2992e-08  
a 2.877502703602326 1.5453e-08 au
q 2.222860325842123 1.5184e-07 au
i 3.505982411990712 5.2078e-06 deg
node 193.4700203952771 7.303e-05 deg
peri 188.6047229956394 7.3631e-05 deg
M 75.93560764978191 1.2177e-05 deg
tp 2458624.433187378598
(2019-May-20.93318738)
5.8637e-05 TDB
period 1782.879688908286
4.88
1.4362e-05
3.932e-08
d
yr
n .2019205234316397 1.6266e-09 deg/d
Q 3.532145081362528 1.8969e-08 au
  Orbit Determination Parameters
   # obs. used (total)      856  
   data-arc span      14798 days (40.51 yr)  
   first obs. used      1979-07-26  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51858  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:20:09  

Additional Information
 Earth MOID = 1.22605 au 
 Jupiter MOID = 1.92613 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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