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(2021 DK1)
Classification: Aten [NEO]          SPK-ID: 54123428
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3748035931848129 0.00026324  
a .8497036795565991 0.00011692 au
q .531231687316429 0.00015065 au
i 26.73488227210822 0.037753 deg
node 149.7439743576604 0.0024479 deg
peri 141.8594540724597 0.025396 deg
M 282.8276947303565 0.13825 deg
tp 2459061.827978274229
(2020-Jul-31.32797827)
0.097205 TDB
period 286.0880221418889
0.78
0.059051
0.0001617
d
yr
n 1.258353975481901 0.00025973 deg/d
Q 1.168175671796769 0.00016075 au
  Orbit Determination Parameters
   # obs. used (total)      64  
   data-arc span      5 days  
   first obs. used      2021-02-18  
   last obs. used      2021-02-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .36319  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-23 05:19:51  

Additional Information
 Earth MOID = .0369708 au 
 Jupiter MOID = 4.10892 au 
 T_jup = 6.793 
[ 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 23.64   .5058 E2021D90 autocmod 2.8

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