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70636 (1999 TH230)
Classification: Main-belt Asteroid          SPK-ID: 2070636
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1396260060060935 3.5392e-08  
a 2.599642685051837 1.6429e-08 au
q 2.236664959895093 9.6542e-08 au
i 5.531428046619584 5.7921e-06 deg
node 87.44067674624382 4.2796e-05 deg
peri 250.3480925886002 4.8875e-05 deg
M 3.217463715258964 2.5115e-05 deg
tp 2458986.817039510371
(2020-May-17.31703951)
0.00010675 TDB
period 1530.977879534571
4.19
1.4513e-05
3.973e-08
d
yr
n .2351438285375114 2.2291e-09 deg/d
Q 2.962620410208582 1.8723e-08 au
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      8134 days (22.27 yr)  
   first obs. used      1998-04-22  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57264  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:28:38  

Additional Information
 Earth MOID = 1.23463 au 
 Jupiter MOID = 2.40828 au 
 T_jup = 3.395 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO436276  

70636 (1999 TH230)          Discovered 1999-Oct-03 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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