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70610 (1999 TH198)
Classification: Main-belt Asteroid          SPK-ID: 2070610
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0669634581303078 7.5619e-08  
a 2.602959139653183 1.8352e-08 au
q 2.428655994290115 1.9517e-07 au
i 22.7636992358909 8.6893e-06 deg
node 36.9392812041248 1.4741e-05 deg
peri 331.1785854991819 5.2487e-05 deg
M 2.664847440782735 5.4786e-05 deg
tp 2458989.145466303341
(2020-May-19.64546630)
0.00023338 TDB
period 1533.908496313999
4.20
1.6222e-05
4.441e-08
d
yr
n .2346945732845763 2.4821e-09 deg/d
Q 2.777262285016251 1.9581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      659  
   data-arc span      15772 days (43.18 yr)  
   first obs. used      1977-07-17  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 18:40:16  

Additional Information
 Earth MOID = 1.4451 au 
 Jupiter MOID = 2.52588 au 
 T_jup = 3.300 
[ 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 MPO302440  
diameter diameter 3.215 km 0.717 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.247   0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70610 (1999 TH198)          Discovered 1999-Oct-12 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TH198 = 1977 OS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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