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15796 (1993 TZ38)
Classification: Main-belt Asteroid          SPK-ID: 2015796
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1258259701171605 3.4354e-08  
a 2.436968550926682 9.5624e-09 au
q 2.130334618861322 8.4682e-08 au
i 6.880658444352659 3.5944e-06 deg
node 144.6639213934081 3.2087e-05 deg
peri 150.7844930294225 3.5289e-05 deg
M 77.11729044954535 1.581e-05 deg
tp 2458702.838562264408
(2019-Aug-07.33856226)
6.0572e-05 TDB
period 1389.547233313677
3.80
8.1786e-06
2.239e-08
d
yr
n .2590771953404576 1.5249e-09 deg/d
Q 2.743602482992043 1.0766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1957  
   data-arc span      9884 days (27.06 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4966  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:31:17  

Additional Information
 Earth MOID = 1.11759 au 
 Jupiter MOID = 2.45151 au 
 T_jup = 3.483 
[ 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 13.6   n/a MPO279681  
diameter diameter 4.255 km 0.609 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.21276 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.373   0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15796 (1993 TZ38)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1993 TZ38 = 1999 BS10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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