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(2018 TZ)
Classification: Apollo [NEO]          SPK-ID: 3831196
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2563846926702751 0.00017582  
a 1.267946029941606 0.00028759 au
q .9428640767325323 1.2981e-05 au
i 21.41068203413064 0.0086126 deg
node 192.3395970084469 4.1998e-05 deg
peri 134.3801994919766 0.0093742 deg
M 83.62411888633915 0.15837 deg
tp 2458879.362492562890
(2020-Jan-30.86249256)
0.18821 TDB
period 521.4943159716059
1.43
0.17742
0.0004857
d
yr
n .6903239191193814 0.00023486 deg/d
Q 1.59302798315068 0.00036132 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      1 day  
   first obs. used      2018-10-06  
   last obs. used      2018-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .53493  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-06 21:14:28  

Additional Information
 Earth MOID = .00473718 au 
 Jupiter MOID = 3.85881 au 
 T_jup = 4.992 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458397.5 (2018-Oct-06.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .258025728241366 0.00017455  
q .9424801219850318 1.2578e-05 au
tp 2458357.882237868932
(2018-Aug-27.38223787)
0.010913 TDB
node 192.3542245246676 3.7809e-05 deg
peri 134.3320829409503 0.0094413 deg
i 21.45261226727212 0.0085672 deg
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      1 day  
   first obs. used      2018-10-06  
   last obs. used      2018-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .53493  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-06 21:14:28  

Additional Information
 Jupiter MOID = 3.85881 au 
 T_jup = 4.992 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.04674385971297E-8 -1.499515992577656E-9 1.855562873676875E-6 2.205251088458658E-9 1.545007612778724E-6 1.484564870090698E-6
q -1.499515992577656E-9 1.58216619454473E-10 -6.865717695415717E-8 -4.271159650953504E-10 -4.586253533452327E-8 -6.398306691627172E-8
tp 1.855562873676875E-6 -6.865717695415717E-8 .0001190999923954205 4.91230230674291E-8 .0001022025485522462 9.283978097121178E-5
node 2.205251088458658E-9 -4.271159650953504E-10 4.91230230674291E-8 1.4295079261906E-9 -1.760768273708204E-9 7.236402637473746E-8
peri 1.545007612778724E-6 -4.586253533452327E-8 .0001022025485522462 -1.760768273708204E-9 8.913879679655251E-5 7.851635589954647E-5
i 1.484564870090698E-6 -6.398306691627172E-8 9.283978097121178E-5 7.236402637473746E-8 7.851635589954647E-5 7.339639487680951E-5

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.8   .25724 MPO458798 autocmod 2.6n

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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