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 ]

[ hide orbit diagram ]

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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .674768195027755 3.3528e-06  
a 3.279489559520457 3.5382e-05 au
q 1.066594308830471 5.4906e-07 au
i 30.96679704283875 8.1726e-05 deg
node 318.5278062386094 1.2949e-05 deg
peri 68.03422560061971 6.7668e-05 deg
M 129.8996090546885 0.0020927 deg
tp 2458417.767892089388
(2018-Oct-26.26789209)
6.2418e-05 TDB
period 2169.241007716873
5.94
0.035106
9.611e-05
d
yr
n .1659566635147194 2.6858e-06 deg/d
Q 5.492384810210442 5.9257e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .40711  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:34:58  

Additional Information
 Earth MOID = .294861 au 
 Jupiter MOID = 2.00994 au 
 T_jup = 2.591 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458333.5 (2018-Aug-03.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .674366876195992 3.3541e-06  
q 1.068448275703391 5.5832e-07 au
tp 2458417.598707568641
(2018-Oct-26.09870757)
6.4041e-05 TDB
node 318.5183870174448 1.2956e-05 deg
peri 68.08487541033233 6.7469e-05 deg
i 30.9560686299446 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .40711  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:34:58  

Additional Information
 Jupiter MOID = 2.00994 au 
 T_jup = 2.591 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.125011925727768E-11 1.743952299479407E-12 -1.981753222103577E-10 -1.548402064310299E-11 -2.092393277155373E-10 2.637483752850328E-10
q 1.743952299479407E-12 3.117158242501108E-13 -3.284699966451091E-11 -3.072681466754053E-12 -3.568084751299845E-11 4.253957711244615E-11
tp -1.981753222103577E-10 -3.284699966451091E-11 4.101227929261732E-9 2.442036323832669E-10 4.238636166799222E-9 -4.500167555342289E-9
node -1.548402064310299E-11 -3.072681466754053E-12 2.442036323832669E-10 1.678557589067921E-10 1.86822910946284E-10 -4.792782076511592E-10
peri -2.092393277155373E-10 -3.568084751299845E-11 4.238636166799222E-9 1.86822910946284E-10 4.552054388896413E-9 -4.811542195171748E-9
i 2.637483752850328E-10 4.253957711244615E-11 -4.500167555342289E-9 -4.792782076511592E-10 -4.811542195171748E-9 6.652470281452554E-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-Apr-19 06:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin