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66740 (1999 TE122)
Classification: Main-belt Asteroid          SPK-ID: 2066740
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05706332338407265 4.4845e-08  
a 2.740091430042368 1.9021e-08 au
q 2.583732706667934 1.23e-07 au
i 5.287381793871782 6.0901e-06 deg
node 220.6641020135624 6.1609e-05 deg
peri 218.3760603255887 9.1722e-05 deg
M 142.6987471982603 6.474e-05 deg
tp 2458343.805062956094
(2018-Aug-13.30506296)
0.00029872 TDB
period 1656.708149002505
4.54
1.725e-05
4.723e-08
d
yr
n .217298381864515 2.2626e-09 deg/d
Q 2.896450153416802 2.0106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      763  
   data-arc span      7125 days (19.51 yr)  
   first obs. used      1999-10-01  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5138  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:23:46  

Additional Information
 Earth MOID = 1.60134 au 
 Jupiter MOID = 2.26472 au 
 T_jup = 3.342 
[ 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 14.8   n/a MPO432220  
diameter diameter 5.855 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66740 (1999 TE122)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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