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(2020 SL1)
Classification: Apollo [NEO, PHA]          SPK-ID: 54054501
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6384747482231201 5.6143e-07  
a 2.515056628716144 1.1161e-07 au
q .9092564809297149 1.3802e-06 au
i 13.7641562897787 2.6178e-05 deg
node 275.1838702427538 8.9176e-05 deg
peri 331.9087873912299 0.000259 deg
M 83.92830456426536 0.00049527 deg
tp 2458860.854372360758
(2020-Jan-12.35437236)
0.0019859 TDB
period 1456.86757983418
3.99
9.6979e-05
2.655e-07
d
yr
n .2471055056637166 1.6449e-08 deg/d
Q 4.120856776502574 1.8288e-07 au
  Orbit Determination Parameters
   # obs. used (total)      41  
   data-arc span      4396 days (12.04 yr)  
   first obs. used      2008-10-25  
   last obs. used      2020-11-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .69148  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:02:44  

Additional Information
 Earth MOID = .048568 au 
 Jupiter MOID = 1.08185 au 
 T_jup = 3.108 
[ 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 17.1   .56709 E2020-WG4 autocmod 2.8

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