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(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 
[ show covariance matrix ]

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 ]
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