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91615 (1999 TZ32)
Classification: Main-belt Asteroid          SPK-ID: 2091615
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01184664386160825 4.2155e-08  
a 3.028772775651534 2.3833e-08 au
q 2.992891983240656 1.3296e-07 au
i 1.754713661428712 4.4489e-06 deg
node 257.1831808525031 0.00014987 deg
peri 83.64465481572009 0.00024453 deg
M 1.94083650597798 0.00019215 deg
tp 2458990.120297216144
(2020-May-20.62029722)
0.0010276 TDB
period 1925.300245888154
5.27
2.2725e-05
6.222e-08
d
yr
n .1869838227927559 2.2071e-09 deg/d
Q 3.064653568062413 2.4116e-08 au
  Orbit Determination Parameters
   # obs. used (total)      827  
   data-arc span      8992 days (24.62 yr)  
   first obs. used      1995-12-18  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56099  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:18:36  

Additional Information
 Earth MOID = 1.98297 au 
 Jupiter MOID = 1.9645 au 
 T_jup = 3.243 
[ 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 MPO436412  

91615 (1999 TZ32)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TZ32 = 2001 AO7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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