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(2018 AK39)
Classification: TransNeptunian Object          SPK-ID: 54122966
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458499.5 (2019-Jan-16.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4677943949203273 0.0049678  
a 51.35897597149347 0.052362 au
q 27.33353488318105 0.24252 au
i 15.50583873841074 0.035337 deg
node 77.27415173554287 0.098374 deg
peri 215.8445011640347 18.869 deg
M 182.6551544840678 46.228 deg
tp 2524727.102014104748
(2200-May-14.60201410)
17203 TDB
period 134438.2840996403
368.07
205.59
0.5629
d
yr
n .002677808649604472 4.0951e-06 deg/d
Q 75.3844170598059 0.076856 au
  Orbit Determination Parameters
   # obs. used (total)      6  
   data-arc span      740 days (2.03 yr)  
   first obs. used      2018-01-15  
   last obs. used      2020-01-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      9  
   norm. resid. RMS      .085292  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:20:02  

Additional Information
 Earth MOID = 26.3307 au 
 Jupiter MOID = 22.236 au 
 T_jup = 5.453 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.52   .058813 E2021D26 autocmod 2.8
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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