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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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3369863783858603 5.977e-05  
a 1.442661136999342 0.00012464 au
q .9565039852039064 3.5936e-06 au
i 6.059856820909148 0.00096567 deg
node 348.157338802493 9.5564e-05 deg
peri 132.0202624721852 8.6007e-05 deg
M 337.8510132753194 0.0023983 deg
tp 2459239.440030564296
(2021-Jan-24.94003056)
0.00082991 TDB
period 632.9143259418636
1.73
0.082019
0.0002246
d
yr
n .5687973636309629 7.371e-05 deg/d
Q 1.928818288794778 0.00016664 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      40 days  
   first obs. used      2021-02-20  
   last obs. used      2021-04-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .45878  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:26:13  

Additional Information
 Earth MOID = .0263187 au 
 Jupiter MOID = 3.16293 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 23.38   .61935 E2021G03 autocmod 2.8

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