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91836 (1999 TA311)
Classification: Main-belt Asteroid          SPK-ID: 2091836
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .002512248873905785 4.9124e-08  
a 3.040784714429855 1.9056e-08 au
q 3.033145506455239 1.5233e-07 au
i 7.858147984125953 6.7038e-06 deg
node 161.8538970932232 2.7596e-05 deg
peri 333.5353017277151 0.0011901 deg
M 270.7388159051336 0.0011914 deg
tp 2459876.716502059794
(2022-Oct-24.21650206)
0.0064112 TDB
period 1936.765039524818
5.30
1.8206e-05
4.985e-08
d
yr
n .1858769611456459 1.7473e-09 deg/d
Q 3.048423922404472 1.9104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1029  
   data-arc span      10019 days (27.43 yr)  
   first obs. used      1993-07-22  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55913  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:41:36  

Additional Information
 Earth MOID = 2.03694 au 
 Jupiter MOID = 1.91308 au 
 T_jup = 3.226 
[ 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 14.65   n/a E2021B10  

91836 (1999 TA311)          Discovered 1999-Oct-05 by CSS at Catalina
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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