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66145 (1998 TM)
Classification: Main-belt Asteroid          SPK-ID: 2066145
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1251231377188144 5.6092e-08  
a 3.107484356778628 2.1428e-08 au
q 2.718666163646354 1.7916e-07 au
i 9.05234898659986 4.8181e-06 deg
node 235.4113216873985 3.6096e-05 deg
peri 115.4249305512519 4.0843e-05 deg
M 14.32550469414632 2.0447e-05 deg
tp 2458920.880529689828
(2020-Mar-12.38052969)
0.00011332 TDB
period 2000.837661473409
5.48
2.0695e-05
5.666e-08
d
yr
n .1799246420296274 1.861e-09 deg/d
Q 3.496302549910902 2.4109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      796  
   data-arc span      7635 days (20.90 yr)  
   first obs. used      1998-10-10  
   last obs. used      2019-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:51:47  

Additional Information
 Earth MOID = 1.72936 au 
 Jupiter MOID = 2.0378 au 
 T_jup = 3.189 
[ 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 14.3   n/a MPO319842  
diameter diameter 4.595 km 0.290 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.210   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66145 (1998 TM)          Discovered 1998-Oct-10 by Kobayashi, T. at Oizumi
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 TM = 2000 AF182 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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