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74841 (1999 TH36)
Classification: Main-belt Asteroid          SPK-ID: 2074841
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07498544097252174 4.1706e-08  
a 2.256228282171635 6.2368e-09 au
q 2.08704400949832 9.3885e-08 au
i 10.38043981494528 5.4432e-06 deg
node 304.8496176621369 1.8347e-05 deg
peri 153.4930409308145 3.8137e-05 deg
M 19.93216155373134 3.2461e-05 deg
tp 2459131.963032765642
(2020-Oct-09.46303277)
0.00011159 TDB
period 1237.864149247272
3.39
5.1327e-06
1.405e-08
d
yr
n .2908235125953934 1.2059e-09 deg/d
Q 2.42541255484495 6.7045e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1397  
   data-arc span      7912 days (21.66 yr)  
   first obs. used      1999-07-23  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49363  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:20:44  

Additional Information
 Earth MOID = 1.10818 au 
 Jupiter MOID = 2.67586 au 
 T_jup = 3.598 
[ 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 14.89   n/a MPCxxxxx  

74841 (1999 TH36)          Discovered 1999-Oct-11 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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