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46611 (1993 TH4)
Classification: Main-belt Asteroid          SPK-ID: 2046611
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1061801339060209 5.987e-08  
a 2.77171550538564 1.4448e-08 au
q 2.477414381874399 1.6655e-07 au
i 3.329449450059778 6.5146e-06 deg
node 350.3113394648021 7.4103e-05 deg
peri 37.55477544090812 7.79e-05 deg
M 187.8219403071664 2.3254e-05 deg
tp 2459406.614461719858
(2021-Jul-11.11446172)
0.00011055 TDB
period 1685.471463302985
4.61
1.3179e-05
3.608e-08
d
yr
n .2135900890867148 1.67e-09 deg/d
Q 3.066016628896882 1.5982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      9345 days (25.59 yr)  
   first obs. used      1993-10-08  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52499  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:33:53  

Additional Information
 Earth MOID = 1.48209 au 
 Jupiter MOID = 2.37365 au 
 T_jup = 3.326 
[ 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 14.4   n/a MPO385114  
diameter diameter 4.277 km 0.483 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.221   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46611 (1993 TH4)          Discovered 1993-Oct-08 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 TH4 = 1998 XL68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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