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74832 (1999 TH26)
Classification: Main-belt Asteroid          SPK-ID: 2074832
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1970962206716956 3.783e-08  
a 2.386706882488662 9.3669e-09 au
q 1.916295976099023 8.9121e-08 au
i 10.06558940019724 3.9138e-06 deg
node 214.8629495839458 2.3278e-05 deg
peri 279.3633194087935 2.6064e-05 deg
M 188.0190183544105 9.5214e-06 deg
tp 2459843.890994527281
(2022-Sep-21.39099453)
3.5546e-05 TDB
period 1346.781230189363
3.69
7.9284e-06
2.171e-08
d
yr
n .2673039926086456 1.5736e-09 deg/d
Q 2.857117788878302 1.1213e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1328  
   data-arc span      7594 days (20.79 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48427  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:15:53  

Additional Information
 Earth MOID = .959711 au 
 Jupiter MOID = 2.27941 au 
 T_jup = 3.488 
[ 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 14.84   n/a MPCxxxxx  
diameter diameter 5.119 km 0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 123.114 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.097   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74832 (1999 TH26)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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