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91834 (1999 TU308)
Classification: Main-belt Asteroid          SPK-ID: 2091834
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1055630743740938 4.2547e-08  
a 2.844675021554168 2.0509e-08 au
q 2.544382380683718 1.183e-07 au
i 2.423983720357089 4.1618e-06 deg
node 159.7336946513483 0.00010223 deg
peri 201.8079799177489 0.00010403 deg
M 166.7612776214135 2.0645e-05 deg
tp 2458584.716669897819
(2019-Apr-11.21666990)
9.8026e-05 TDB
period 1752.457183137213
4.80
1.8952e-05
5.189e-08
d
yr
n .2054258463282597 2.2216e-09 deg/d
Q 3.144967662424618 2.2674e-08 au
  Orbit Determination Parameters
   # obs. used (total)      535  
   data-arc span      7858 days (21.51 yr)  
   first obs. used      1999-09-13  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51288  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:19:25  

Additional Information
 Earth MOID = 1.54066 au 
 Jupiter MOID = 2.29854 au 
 T_jup = 3.298 
[ 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 15.71   n/a MPCxxxxx  

91834 (1999 TU308)          Discovered 1999-Oct-06 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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