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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01184665111901045 4.2482e-08  
a 3.028772772899948 2.4585e-08 au
q 2.992891958540644 1.3467e-07 au
i 1.754712319193741 4.5183e-06 deg
node 257.1829525887534 0.00015018 deg
peri 83.64465674974096 0.00024627 deg
M 1.94105942460135 0.00019437 deg
tp 2458990.119105048956
(2020-May-20.61910505)
0.0010395 TDB
period 1925.300243264502
5.27
2.3441e-05
6.418e-08
d
yr
n .1869838230475632 2.2766e-09 deg/d
Q 3.064653587259251 2.4876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      820  
   data-arc span      8215 days (22.49 yr)  
   first obs. used      1995-12-18  
   last obs. used      2018-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55423  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:09:39  

Additional Information
 Earth MOID = 1.98297 au 
 Jupiter MOID = 1.9645 au 
 T_jup = 3.243 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456265.5 (2012-Dec-04.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01625874814083639 4.2057e-08  
q 2.980328814167359 1.3426e-07 au
tp 2457078.786323697071
(2015-Feb-25.28632370)
0.0007599 TDB
node 257.3197244257519 0.00015061 deg
peri 86.68756501280836 0.00020763 deg
i 1.750354599059591 4.5141e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      820  
   data-arc span      8215 days (22.49 yr)  
   first obs. used      1995-12-18  
   last obs. used      2018-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55423  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:09:39  

Additional Information
 Jupiter MOID = 1.9645 au 
 T_jup = 3.243 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.768754032266192E-15 -5.557735186760077E-15 -5.450250848984849E-12 6.171305107365142E-15 -1.034051259258254E-12 -1.827257788076498E-16
q -5.557735186760077E-15 1.802441744854135E-14 1.688092322228501E-11 -1.710804210529908E-14 3.157946657962015E-12 1.022177398651771E-15
tp -5.450250848984849E-12 1.688092322228501E-11 5.774457360947224E-7 -2.204166525156182E-10 1.086334060559133E-7 2.736577275455636E-12
node 6.171305107365142E-15 -1.710804210529908E-14 -2.204166525156182E-10 2.268300345623436E-8 -2.271355841980466E-8 9.638230190274012E-11
peri -1.034051259258254E-12 3.157946657962015E-12 1.086334060559133E-7 -2.271355841980466E-8 4.311191003533743E-8 -9.583846476338868E-11
i -1.827257788076498E-16 1.022177398651771E-15 2.736577275455636E-12 9.638230190274012E-11 -9.583846476338868E-11 2.03770631641472E-11

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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