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(2021 JW17)
Classification: Amor [NEO]          SPK-ID: 54149825
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .497440449747191 7.0619e-06  
a 2.257340346275819 3.4021e-05 au
q 1.134447949191896 1.5079e-06 au
i 21.11669476374938 0.00021061 deg
node 66.89593481731595 5.0419e-05 deg
peri 245.4670960800742 0.00010132 deg
M 345.3945789256549 0.00034285 deg
tp 2459446.758043076418
(2021-Aug-20.25804308)
0.0001004 TDB
period 1238.779451507297
3.39
0.028005
7.667e-05
d
yr
n .2906086305855062 6.5698e-06 deg/d
Q 3.380232743359743 5.0945e-05 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      101 days  
   first obs. used      2021-04-07  
   last obs. used      2021-07-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .33911  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-19 05:49:53  

Additional Information
 Earth MOID = .275492 au 
 Jupiter MOID = 2.28249 au 
 T_jup = 3.371 
[ 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 20.24   .33847 E2021N20 autocmod 2.9c

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