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(2021 DT)
Classification: Apollo [NEO]          SPK-ID: 54123262
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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 2459261.5 (2021-Feb-16.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3434576334327183 0.0010621  
a 1.383965390178793 0.001949 au
q .9086319125151963 0.00030748 au
i 4.916006342648836 0.012497 deg
node 2.601923809293343 0.11774 deg
peri 210.1418407001414 0.030749 deg
M 324.2179348479636 0.11019 deg
tp 2459320.608395770740
(2021-Apr-16.10839577)
0.087445 TDB
period 594.6840236038021
1.63
1.2562
0.003439
d
yr
n .6053634967665514 0.0012788 deg/d
Q 1.85929886784239 0.0026183 au
  Orbit Determination Parameters
   # obs. used (total)      13  
   data-arc span      3 days  
   first obs. used      2021-02-16  
   last obs. used      2021-02-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .60256  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-19 01:42:03  

Additional Information
 Earth MOID = .0240384 au 
 Jupiter MOID = 3.10975 au 
 T_jup = 4.725 
[ 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 25.1   .27107 E2021D54 autocmod 2.8

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