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70551 (1999 TR138)
Classification: Main-belt Asteroid          SPK-ID: 2070551
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1064139484851612 6.5143e-08  
a 2.523171819109251 1.2154e-08 au
q 2.254671143131349 1.6687e-07 au
i 12.94732776980001 5.371e-06 deg
node 206.7338405164809 1.7515e-05 deg
peri 2.97420579701631 3.6885e-05 deg
M 276.7554578684611 3.7827e-05 deg
tp 2459539.010335459278
(2021-Nov-20.51033546)
0.00015407 TDB
period 1463.92445252179
4.01
1.0577e-05
2.896e-08
d
yr
n .2459143293766667 1.7768e-09 deg/d
Q 2.791672495087153 1.3447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      10762 days (29.46 yr)  
   first obs. used      1991-10-03  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5384  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:11:09  

Additional Information
 Earth MOID = 1.24887 au 
 Jupiter MOID = 2.17044 au 
 T_jup = 3.412 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457355.5 (2015-Nov-29.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1066195394609591 6.5049e-08  
q 2.253733380983981 1.6657e-07 au
tp 2458077.329517726820
(2017-Nov-19.82951773)
0.00015385 TDB
node 206.7491713336495 1.7507e-05 deg
peri 3.415178877105816 3.7017e-05 deg
i 12.95053988390931 5.3729e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      10762 days (29.46 yr)  
   first obs. used      1991-10-03  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5384  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:11:09  

Additional Information
 Jupiter MOID = 2.17044 au 
 T_jup = 3.412 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.231322670524323E-15 -1.081285498333266E-14 -6.275598669040936E-12 -4.753133674591891E-15 -1.260128816844526E-12 -1.587575317132267E-14
q -1.081285498333266E-14 2.774503523123398E-14 1.588983609336091E-11 1.055190171931431E-14 3.177289349952211E-12 4.068565283188422E-14
tp -6.275598669040936E-12 1.588983609336091E-11 2.366958828613164E-8 1.686847674939859E-11 5.023555926867273E-9 4.766329092641317E-11
node -4.753133674591891E-15 1.055190171931431E-14 1.686847674939859E-11 3.065079322835911E-10 -2.947932524763714E-10 -3.692067034061287E-12
peri -1.260128816844526E-12 3.177289349952211E-12 5.023555926867273E-9 -2.947932524763714E-10 1.370278516512633E-9 1.373866939219947E-11
i -1.587575317132267E-14 4.068565283188422E-14 4.766329092641317E-11 -3.692067034061287E-12 1.373866939219947E-11 2.886835676121511E-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 15.21   n/a MPCxxxxx  

70551 (1999 TR138)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TR138 = 1995 US22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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