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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1398256009519052 3.1147e-08  
a 2.432587909077595 8.7417e-09 au
q 2.092449842822482 7.3924e-08 au
i 3.78261333096057 3.4279e-06 deg
node 69.35443404126346 5.1754e-05 deg
peri 171.5621879240502 5.3545e-05 deg
M 244.6253814233463 1.5683e-05 deg
tp 2459840.628885600844
(2022-Sep-18.12888560)
6.1531e-05 TDB
period 1385.802187593601
3.79
7.47e-06
2.045e-08
d
yr
n .2597773356276252 1.4003e-09 deg/d
Q 2.772725975332709 9.964e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1720  
   data-arc span      10038 days (27.48 yr)  
   first obs. used      1993-10-09  
   last obs. used      2021-04-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49644  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:30:55  

Additional Information
 Earth MOID = 1.08019 au 
 Jupiter MOID = 2.23163 au 
 T_jup = 3.490 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.57   n/a MPCxxxxx  
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

Alternate Designations
 1993 TG31 = 1997 TD18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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