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66662 (1999 TM4)
Classification: Main-belt Asteroid          SPK-ID: 2066662
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 .1214158465675273 3.7602e-08  
a 2.854142276179509 1.4942e-08 au
q 2.507604175493005 1.0714e-07 au
i 4.40954866021356 4.1868e-06 deg
node 241.7577949434803 5.4485e-05 deg
peri 90.28503131669187 5.7252e-05 deg
M 154.9531800713779 1.7176e-05 deg
tp 2458242.429062170229
(2018-May-03.92906217)
8.3983e-05 TDB
period 1761.212886970153
4.82
1.383e-05
3.786e-08
d
yr
n .2044045910993273 1.6051e-09 deg/d
Q 3.200680376866013 1.6756e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1424  
   data-arc span      7402 days (20.27 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51916  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 10:51:45  

Additional Information
 Earth MOID = 1.50203 au 
 Jupiter MOID = 2.14636 au 
 T_jup = 3.289 
[ 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 14.1   n/a MPO453063  
diameter diameter 7.083 km 0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.106   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66662 (1999 TM4)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TM4 = 2001 AD13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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