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70666 (1999 TW286)
Classification: Main-belt Asteroid          SPK-ID: 2070666
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05882659567050406 4.6987e-08  
a 2.70011050718849 1.7066e-08 au
q 2.541272198116433 1.2703e-07 au
i 21.00170913102036 6.1476e-06 deg
node 212.1618511282865 1.2153e-05 deg
peri 241.7365182595827 4.8146e-05 deg
M 170.1036158797058 4.6962e-05 deg
tp 2458234.759213776812
(2018-Apr-26.25921378)		 0.00021054 TDB
period 1620.580971278671
4.44		 1.5364e-05
4.206e-08		 d
yr
n .2221425565153666 2.106e-09 deg/d
Q 2.858948816260547 1.807e-08 au
   Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      10899 days (29.84 yr)  
   first obs. used      1990-10-13  
   last obs. used      2020-08-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57219  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:59:43  

Additional Information
 Earth MOID = 1.59994 au 
 Jupiter MOID = 2.33609 au 
 T_jup = 3.270 
[ 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 15.1   n/a MPO337795  
diameter diameter 2.939 km 0.739 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.246   0.231 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70666 (1999 TW286)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TW286 = 2002 JE115 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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