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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .227861727822694 5.1783e-08  
a 2.876894770779832 1.4713e-08 au
q 2.221360557545867 1.4744e-07 au
i 3.50709726601383 4.8948e-06 deg
node 193.4566279288541 6.2583e-05 deg
peri 188.5950678150224 6.3189e-05 deg
M 155.9022899620905 1.2384e-05 deg
tp 2458624.647374629847
(2019-May-21.14737463)
5.7493e-05 TDB
period 1782.314712637137
4.88
1.3673e-05
3.743e-08
d
yr
n .2019845302557925 1.5495e-09 deg/d
Q 3.532428984013798 1.8066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      952  
   data-arc span      15267 days (41.80 yr)  
   first obs. used      1979-07-26  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52909  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:27:52  

Additional Information
 Earth MOID = 1.22379 au 
 Jupiter MOID = 1.92802 au 
 T_jup = 3.254 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457008.5 (2014-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2239913337783733 5.1e-08  
q 2.234116537310159 1.4432e-07 au
tp 2456832.019904165337
(2014-Jun-23.51990417)
5.1225e-05 TDB
node 193.6182400586057 6.3009e-05 deg
peri 187.2874562551699 6.3629e-05 deg
i 3.486198166299545 4.8831e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      952  
   data-arc span      15267 days (41.80 yr)  
   first obs. used      1979-07-26  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52909  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:27:52  

Additional Information
 Jupiter MOID = 1.92802 au 
 T_jup = 3.254 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.601003471330142E-15 -7.337059325896629E-15 8.880101403710267E-13 2.45018252337116E-14 4.429838347398368E-14 -1.021498258414262E-15
q -7.337059325896629E-15 2.082756573689777E-14 -2.260883681335529E-12 -6.676850366919666E-14 -8.357821801756892E-14 2.947586396310463E-15
tp 8.880101403710267E-13 -2.260883681335529E-12 2.623964360091157E-9 1.668338227708882E-11 4.546661431233297E-10 -1.183560122500635E-12
node 2.45018252337116E-14 -6.676850366919666E-14 1.668338227708882E-11 3.970124008946473E-9 -3.960590946877386E-9 1.390177200410657E-11
peri 4.429838347398368E-14 -8.357821801756892E-14 4.546661431233297E-10 -3.960590946877386E-9 4.048614958807518E-9 -1.408260532932694E-11
i -1.021498258414262E-15 2.947586396310463E-15 -1.183560122500635E-12 1.390177200410657E-11 -1.408260532932694E-11 2.384491233955592E-11

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 14.81   n/a MPCxxxxx  
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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