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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1046213906914425 5.1347e-08  
a 2.774925814279403 1.4005e-08 au
q 2.484609216523908 1.4488e-07 au
i 3.328998315632347 5.5383e-06 deg
node 350.1733032608656 7.0793e-05 deg
peri 37.40822714834215 7.3834e-05 deg
M 273.3729590950363 2.1941e-05 deg
tp 2459406.780961200391
(2021-Jul-11.28096120)
0.00010416 TDB
period 1688.400579128635
4.62
1.2782e-05
3.5e-08
d
yr
n .2132195430694487 1.6142e-09 deg/d
Q 3.065242412034897 1.547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1084  
   data-arc span      9749 days (26.69 yr)  
   first obs. used      1993-10-08  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52802  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:41:07  

Additional Information
 Earth MOID = 1.48991 au 
 Jupiter MOID = 2.3744 au 
 T_jup = 3.325 
[ 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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