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102387 (1999 TB155)
Classification: Main-belt Asteroid          SPK-ID: 2102387
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .168650298119368 3.9178e-08  
a 2.262942208483244 9.6897e-09 au
q 1.881296330395644 8.749e-08 au
i 6.71028195584565 4.7806e-06 deg
node 21.66692067952633 3.9916e-05 deg
peri 254.1912813169064 4.2535e-05 deg
M 165.4363404393806 1.5549e-05 deg
tp 2458629.104211295748
(2019-May-25.60421130)
5.3273e-05 TDB
period 1243.3935820099
3.40
7.9861e-06
2.186e-08
d
yr
n .2895302060495386 1.8596e-09 deg/d
Q 2.644588086570844 1.1324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      8324 days (22.79 yr)  
   first obs. used      1998-03-22  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58739  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:41:43  

Additional Information
 Earth MOID = .876966 au 
 Jupiter MOID = 2.49151 au 
 T_jup = 3.591 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457118.5 (2015-Apr-06.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1684576126947747 3.9145e-08  
q 1.881713843149743 8.7363e-08 au
tp 2457386.220527804878
(2015-Dec-29.72052780)
5.3364e-05 TDB
node 21.6962344901887 3.9893e-05 deg
peri 254.2138265101884 4.2518e-05 deg
i 6.712475180774381 4.7817e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      8324 days (22.79 yr)  
   first obs. used      1998-03-22  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58739  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:41:43  

Additional Information
 Jupiter MOID = 2.49151 au 
 T_jup = 3.591 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.532358984580036E-15 -3.405686026829535E-15 4.123780783931389E-13 8.48188718800566E-15 1.20870666715921E-13 -1.933130813387348E-15
q -3.405686026829535E-15 7.632318631598252E-15 -9.63361574592251E-13 -1.821804992185746E-14 -2.875155394587913E-13 4.192840503900998E-15
tp 4.123780783931389E-13 -9.63361574592251E-13 2.847748866375912E-9 2.596023501270716E-11 8.053359883277435E-10 -2.377604355806306E-12
node 8.48188718800566E-15 -1.821804992185746E-14 2.596023501270716E-11 1.591478875130474E-9 -1.572470735062727E-9 -4.291409049130461E-11
peri 1.20870666715921E-13 -2.875155394587913E-13 8.053359883277435E-10 -1.572470735062727E-9 1.807774978846099E-9 4.201087488631635E-11
i -1.933130813387348E-15 4.192840503900998E-15 -2.377604355806306E-12 -4.291409049130461E-11 4.201087488631635E-11 2.286450872578299E-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 16.1   n/a MPO436480  

102387 (1999 TB155)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 TB155 = 1998 FZ129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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