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15794 (1993 TG31)
Classification: Main-belt Asteroid          SPK-ID: 2015794
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1399985878838063 3.1165e-08  
a 2.432236548016764 8.729e-09 au
q 2.091726865895033 7.396e-08 au
i 3.782952298076345 3.4296e-06 deg
node 69.35658846140973 5.1784e-05 deg
peri 171.5760992363635 5.357e-05 deg
M 193.6953901478548 1.5538e-05 deg
tp 2459840.542671133702
(2022-Sep-18.04267113)
6.1451e-05 TDB
period 1385.501952188733
3.79
7.4586e-06
2.042e-08
d
yr
n .2598336288384823 1.3988e-09 deg/d
Q 2.772746230138495 9.9511e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1714  
   data-arc span      9986 days (27.34 yr)  
   first obs. used      1993-10-09  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49282  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:09:07  

Additional Information
 Earth MOID = 1.07771 au 
 Jupiter MOID = 2.23285 au 
 T_jup = 3.490 
[ 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 14.5   n/a MPO296264  
diameter diameter 6.902 km 0.157 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.172 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.071   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15794 (1993 TG31)          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 TG31 = 1997 TD18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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