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102394 (1999 TL161)
Classification: Main-belt Asteroid          SPK-ID: 2102394
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1296295983056734 4.2221e-08  
a 2.267130541212137 1.2341e-08 au
q 1.973243319848284 9.3341e-08 au
i 3.610212791368238 6.2655e-06 deg
node 351.826331032468 6.6751e-05 deg
peri 299.6032240122673 7.173e-05 deg
M 143.6337745729705 3.0524e-05 deg
tp 2458703.029547342464
(2019-Aug-07.52954734)		 0.00010367 TDB
period 1246.847153388216
3.41		 1.0181e-05
2.787e-08		 d
yr
n .2887282527146382 2.3575e-09 deg/d
Q 2.56101776257599 1.3941e-08 au
   Orbit Determination Parameters
   # obs. used (total)      518  
   data-arc span      8392 days (22.98 yr)  
   first obs. used      1998-03-20  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59246  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:41:48  

Additional Information
 Earth MOID = .958226 au 
 Jupiter MOID = 2.59968 au 
 T_jup = 3.602 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456771.5 (2014-Apr-24.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1295673566234777 4.2027e-08  
q 1.973895156506232 9.283e-08 au
tp 2456208.267539774618
(2012-Oct-07.76753977)		 9.5449e-05 TDB
node 351.9168095269654 6.681e-05 deg
peri 299.302113179899 7.1788e-05 deg
i 3.608927320926997 6.2616e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      518  
   data-arc span      8392 days (22.98 yr)  
   first obs. used      1998-03-20  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59246  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:41:48  

Additional Information
 Jupiter MOID = 2.59968 au 
 T_jup = 3.602 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.766229452871465E-15 -3.876570331976995E-15 1.566609823571737E-12 1.83445165509488E-14 4.254857059272902E-13 4.983485949987624E-16
q -3.876570331976995E-15 8.617323155823025E-15 -3.206450191634789E-12 -3.874690473809679E-14 -8.591619541293772E-13 -1.023453434487442E-15
tp 1.566609823571737E-12 -3.206450191634789E-12 9.110428908376543E-9 6.361577368629802E-11 2.517566610236829E-9 5.9333838881162E-14
node 1.83445165509488E-14 -3.874690473809679E-14 6.361577368629802E-11 4.463561011045055E-9 -4.436031050787089E-9 4.161812517131334E-11
peri 4.254857059272902E-13 -8.591619541293772E-13 2.517566610236829E-9 -4.436031050787089E-9 5.153458031256653E-9 -4.15481566458836E-11
i 4.983485949987624E-16 -1.023453434487442E-15 5.9333838881162E-14 4.161812517131334E-11 -4.15481566458836E-11 3.920757250849137E-11

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO291101  

102394 (1999 TL161)          Discovered 1999-Oct-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 TL161 = 1998 FC47 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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