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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .002014819657725627 4.8844e-08  
a 3.041816935606007 2.2892e-08 au
q 3.035688223048945 1.5206e-07 au
i 7.856853382386522 6.8093e-06 deg
node 161.8531597592409 3.5449e-05 deg
peri 332.9029400703499 0.0016293 deg
M 197.7400642239196 0.0016285 deg
tp 2459873.887226878423
(2022-Oct-21.38722688)
0.008766 TDB
period 1937.751301159965
5.31
2.1875e-05
5.989e-08
d
yr
n .1857823549309444 2.0973e-09 deg/d
Q 3.047945648163068 2.2939e-08 au
  Orbit Determination Parameters
   # obs. used (total)      819  
   data-arc span      9870 days (27.02 yr)  
   first obs. used      1993-07-22  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5707  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:20:19  

Additional Information
 Earth MOID = 2.03715 au 
 Jupiter MOID = 1.91496 au 
 T_jup = 3.225 
[ 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 14.6   n/a MPO436414  

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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