Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
(2018 PL9)
Classification: Amor [NEO]          SPK-ID: 3826671
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6745545762693541 3.3534e-06  
a 3.279985036265598 3.5385e-05 au
q 1.067456119957636 5.5363e-07 au
i 30.96462117557961 8.1676e-05 deg
node 318.5231357021769 1.2954e-05 deg
peri 68.04977611974425 6.7517e-05 deg
M 96.70732809640201 0.0015552 deg
tp 2458417.641540464197
(2018-Oct-26.14154046)
6.3295e-05 TDB
period 2169.732631054831
5.94
0.035111
9.613e-05
d
yr
n .16591906064711 2.6849e-06 deg/d
Q 5.492513952573561 5.9254e-05 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      226 days  
   first obs. used      2018-06-12  
   last obs. used      2019-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .40712  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-15 06:53:24  

Additional Information
 Earth MOID = .297057 au 
 Jupiter MOID = 2.00916 au 
 T_jup = 2.592 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458333.5 (2018-Aug-03.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6743668782811472 3.3541e-06  
q 1.068448275925708 5.5832e-07 au
tp 2458417.598707516850
(2018-Oct-26.09870752)
6.4041e-05 TDB
node 318.5183870362323 1.2956e-05 deg
peri 68.08487539066904 6.7469e-05 deg
i 30.95606865390711 8.1563e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      226 days  
   first obs. used      2018-06-12  
   last obs. used      2019-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .40712  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-15 06:53:24  

Additional Information
 Jupiter MOID = 2.00916 au 
 T_jup = 2.592 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.125012036456858E-11 1.743952612896913E-12 -1.981753502514207E-10 -1.548402342551854E-11 -2.092393612882024E-10 2.637484005043177E-10
q 1.743952612896913E-12 3.117158960398702E-13 -3.284700650652142E-11 -3.072682118575377E-12 -3.568085541137454E-11 4.253958440025286E-11
tp -1.981753502514207E-10 -3.284700650652142E-11 4.101228570166614E-9 2.442036939719656E-10 4.238636913833357E-9 -4.500168203302612E-9
node -1.548402342551854E-11 -3.072682118575377E-12 2.442036939719656E-10 1.678557647662112E-10 1.868229825122127E-10 -4.792782721772548E-10
peri -2.092393612882024E-10 -3.568085541137454E-11 4.238636913833357E-9 1.868229825122127E-10 4.552055254663743E-9 -4.81154297411495E-9
i 2.637484005043177E-10 4.253958440025286E-11 -4.500168203302612E-9 -4.792782721772548E-10 -4.81154297411495E-9 6.652470854339693E-9

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 19.2   .46361 E2019-VI7 autocmod 2.6n

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-03 20:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin