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66704 (1999 TU91)
Classification: Main-belt Asteroid          SPK-ID: 2066704
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1968597527949359 3.7503e-08  
a 2.625967350346244 1.2167e-08 au
q 2.10902006690951 1.0341e-07 au
i 6.252011054205201 3.5589e-06 deg
node 119.1801497127545 3.627e-05 deg
peri 292.4071790894793 3.778e-05 deg
M 324.2381726824333 1.2009e-05 deg
tp 2459354.900823008043
(2021-May-20.40082301)
5.2417e-05 TDB
period 1554.291277940144
4.26
1.0802e-05
2.957e-08
d
yr
n .2316168179732034 1.6097e-09 deg/d
Q 3.142914633782978 1.4562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1130  
   data-arc span      7828 days (21.43 yr)  
   first obs. used      1999-09-08  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50485  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:24:20  

Additional Information
 Earth MOID = 1.12872 au 
 Jupiter MOID = 2.24875 au 
 T_jup = 3.366 
[ 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 14.82   n/a E2021B10  

66704 (1999 TU91)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TU91 = 2001 BM69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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