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(2021 DX1)
Classification: Apollo [NEO]          SPK-ID: 54123836
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3370318637089073 0.00025153  
a 1.442757484729939 0.00052467 au
q .9565022407714322 1.5061e-05 au
i 6.060870432401777 0.0040091 deg
node 348.1569212489943 0.00056223 deg
peri 132.0211804989589 0.00049905 deg
M 337.8527107095594 0.010081 deg
tp 2459239.440946978205
(2021-Jan-24.94094698)
0.0035204 TDB
period 632.9777305164258
1.73
0.34528
0.0009453
d
yr
n .5687403879221592 0.00031024 deg/d
Q 1.929012728688446 0.00070151 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      5 days  
   first obs. used      2021-02-20  
   last obs. used      2021-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .42792  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-26 05:18:57  

Additional Information
 Earth MOID = .0263221 au 
 Jupiter MOID = 3.16275 au 
 T_jup = 4.593 
[ 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 22.97   .61935 E2021-DA1 autocmod 2.8

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