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70430 (1999 TM2)
Classification: Main-belt Asteroid          SPK-ID: 2070430
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1524433638412808 4.2159e-08  
a 2.557746563922055 1.5934e-08 au
q 2.167835073864299 1.0936e-07 au
i 12.08322057746962 5.6009e-06 deg
node 100.2799258876182 1.8819e-05 deg
peri 329.9563342520554 2.5037e-05 deg
M 328.5966753313837 1.7508e-05 deg
tp 2459130.834028834851
(2020-Oct-08.33402883)		 7.2912e-05 TDB
period 1494.117290945228
4.09		 1.3962e-05
3.823e-08		 d
yr
n .240944939317483 2.2516e-09 deg/d
Q 2.94765805397981 1.8363e-08 au
   Orbit Determination Parameters
   # obs. used (total)      719  
   data-arc span      7712 days (21.11 yr)  
   first obs. used      1999-09-30  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51131  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:05:32  

Additional Information
 Earth MOID = 1.19126 au 
 Jupiter MOID = 2.32452 au 
 T_jup = 3.389 
[ 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 15.3   n/a MPO432257  
diameter diameter 4.714 km 0.414 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.096   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70430 (1999 TM2)          Discovered 1999-Oct-02 by Zoltowski, F. B. at Woomera
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TM2 = 2001 EG2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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