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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1524433137158068 4.552e-08  
a 2.557746567032343 1.8086e-08 au
q 2.167835204708704 1.1602e-07 au
i 12.08322026665331 5.7428e-06 deg
node 100.2799227335698 2.0041e-05 deg
peri 329.9563337863643 2.6143e-05 deg
M 328.5966761392518 1.8289e-05 deg
tp 2459130.834025719670
(2020-Oct-08.33402572)
7.6284e-05 TDB
period 1494.117293670558
4.09
1.5848e-05
4.339e-08
d
yr
n .2409449388779897 2.5556e-09 deg/d
Q 2.947657929355982 2.0843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      634  
   data-arc span      6824 days (18.68 yr)  
   first obs. used      1999-09-30  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52015  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:10:54  

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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