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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07486579990653885 4.696e-08  
a 2.255887331352239 8.1718e-09 au
q 2.086998521791527 1.0808e-07 au
i 10.38044061792665 5.5258e-06 deg
node 304.8498222598278 2.1981e-05 deg
peri 153.5686022993575 4.1907e-05 deg
M 321.693251448846 3.6136e-05 deg
tp 2459132.188340562564
(2020-Oct-09.68834056)
0.00012448 TDB
period 1237.583569360259
3.39
6.7246e-06
1.841e-08
d
yr
n .2908894469131436 1.5806e-09 deg/d
Q 2.424776140912952 8.7836e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1092  
   data-arc span      7765 days (21.26 yr)  
   first obs. used      1999-07-23  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54553  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:42:08  

Additional Information
 Earth MOID = 1.10825 au 
 Jupiter MOID = 2.67673 au 
 T_jup = 3.598 
[ 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 14.8   n/a MPO341160  

74841 (1999 TH36)          Discovered 1999-Oct-11 by LONEOS at Anderson Mesa
Reference: 20040415/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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