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(2020 ST1)
Classification: Amor [NEO, PHA]          SPK-ID: 54054507
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 53 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5769402840955146 6.4179e-06  
a 2.453861811880321 3.8328e-05 au
q 1.038130081002954 4.6692e-07 au
i 7.962361073289189 6.1659e-05 deg
node 232.8662789555385 6.3752e-06 deg
peri 180.4230479568942 1.6649e-05 deg
M 8.124523315470277 0.0001879 deg
tp 2459168.813886872664
(2020-Nov-15.31388687)
1.2348e-05 TDB
period 1404.020923187017
3.84
0.032895
9.006e-05
d
yr
n .2564064352992891 6.0074e-06 deg/d
Q 3.869593542757687 6.0441e-05 au
  Orbit Determination Parameters
   # obs. used (total)      734  
   data-arc span      130 days  
   first obs. used      2020-08-27  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .36626  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:02:47  

Additional Information
 Earth MOID = .0487076 au 
 Jupiter MOID = 1.52456 au 
 T_jup = 3.231 
[ 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 22.0   .48482 MPO600170 autocmod 2.8

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