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146197 (2000 TT61)
Classification: Main-belt Asteroid          SPK-ID: 2146197
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08118267300802047 4.627e-08  
a 3.101398181992185 2.5759e-08 au
q 2.849618387515844 1.4771e-07 au
i 11.19991561841545 4.1008e-06 deg
node 119.8425711793801 2.7317e-05 deg
peri 291.4553522084656 3.9815e-05 deg
M 185.6987879576897 3.1593e-05 deg
tp 2459966.401021020268
(2023-Jan-21.90102102)
0.00018201 TDB
period 1994.962418751792
5.46
2.4854e-05
6.805e-08
d
yr
n .1804545271711158 2.2482e-09 deg/d
Q 3.353177976468525 2.785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      8105 days (22.19 yr)  
   first obs. used      1998-04-18  
   last obs. used      2020-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56203  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:30:02  

Additional Information
 Earth MOID = 1.88532 au 
 Jupiter MOID = 1.94489 au 
 T_jup = 3.187 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457465.5 (2016-Mar-18.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08190450316330657 4.6202e-08  
q 2.848372748230984 1.4758e-07 au
tp 2457975.386581252196
(2017-Aug-09.88658125)
0.00016733 TDB
node 119.859253717198 2.732e-05 deg
peri 292.1629387150049 3.9673e-05 deg
i 11.19850854988867 4.1002e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      8105 days (22.19 yr)  
   first obs. used      1998-04-18  
   last obs. used      2020-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56203  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:30:02  

Additional Information
 Jupiter MOID = 1.94489 au 
 T_jup = 3.187 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.134600347663814E-15 -6.73021445760776E-15 -1.141896433803207E-12 1.310160739541928E-14 -2.222856992452314E-13 1.673266458572312E-15
q -6.73021445760776E-15 2.177912160126193E-14 5.487036203389271E-12 -3.856147735709478E-14 9.986006888903026E-13 -4.360102090310412E-15
tp -1.141896433803207E-12 5.487036203389271E-12 2.799948479114528E-8 -1.226337517295728E-11 4.859971659228483E-9 4.044773207401494E-12
node 1.310160739541928E-14 -3.856147735709478E-14 -1.226337517295728E-11 7.464067784449345E-10 -7.342331818965077E-10 -8.303606235946662E-12
peri -2.222856992452314E-13 9.986006888903026E-13 4.859971659228483E-9 -7.342331818965077E-10 1.573967239129853E-9 8.783166497460968E-12
i 1.673266458572312E-15 -4.360102090310412E-15 4.044773207401494E-12 -8.303606235946662E-12 8.783166497460968E-12 1.681159824070405E-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 15.1   n/a MPO475267  

146197 (2000 TT61)          Discovered 2000-Oct-02 by LONEOS at Anderson Mesa
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2000 TT61 = 1998 HQ11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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