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JPL Small-Body Database Browser
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(2018 PT23)
Classification: Apollo [NEO]          SPK-ID: 3826840
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.


Orbital Elements at Epoch 2458346.5 (2018-Aug-16.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .667808978050232 0.001531  
a 2.352316010044021 0.0098767 au
q .781418259325324 0.00032055 au
i .8805340146365783 0.0014199 deg
node 206.122462567583 0.068348 deg
peri 181.7389859204406 0.068013 deg
M 348.3023527618093 0.082538 deg
tp 2458389.319140259801
(2018-Sep-27.81914026)
0.032453 TDB
period 1317.777000763158
3.61
8.2995
0.02272
d
yr
n .273187344893343 0.0017206 deg/d
Q 3.923213760762717 0.016472 au
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      1 day  
   first obs. used      2018-08-15  
   last obs. used      2018-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .55691  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:35:41  

Additional Information
 Earth MOID = .0133903 au 
 Jupiter MOID = 1.52874 au 
 T_jup = 3.213 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 2.344059639589881E-6 -4.90731969570941E-7 -4.968491689935623E-5 8.491262496751703E-5 -8.495235244896361E-5 2.127704907403481E-6
q -4.90731969570941E-7 1.027551689265718E-7 1.040039141143244E-5 -1.79346043260249E-5 1.79398452845608E-5 -4.442931570716913E-7
tp -4.968491689935623E-5 1.040039141143244E-5 .001053200520466008 -.001790160790496583 .001791191192673377 -4.516896902551088E-5
node 8.491262496751703E-5 -1.79346043260249E-5 -.001790160790496583 .004671455673192993 -.00464834064422462 6.545329443857428E-5
peri -8.495235244896361E-5 1.79398452845608E-5 .001791191192673377 -.00464834064422462 .004625704534717438 -6.566720418057525E-5
i 2.127704907403481E-6 -4.442931570716913E-7 -4.516896902551088E-5 6.545329443857428E-5 -6.566720418057525E-5 2.016013570585958E-6

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 24.5   .4557 MPO452064 autocmod 2.6n

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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