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(2020 DA1)
Classification: Apollo [NEO]          SPK-ID: 3991654
[ 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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5688239587425957 0.00038649  
a 1.157549718828445 0.00058383 au
q .4991077053230704 0.00019624 au
i 7.885945581200398 0.0071185 deg
node 148.7270109074348 0.00010838 deg
peri 111.7080997614244 0.0033793 deg
M 195.8604437825947 0.13031 deg
tp 2459407.904732474098
(2021-Jul-12.40473247)		 0.32157 TDB
period 454.8915898845211
1.25		 0.34415
0.0009422		 d
yr
n .7913973526997712 0.00059873 deg/d
Q 1.81599173233382 0.00091593 au
   Orbit Determination Parameters
   # obs. used (total)      19  
   data-arc span      1 day  
   first obs. used      2020-02-17  
   last obs. used      2020-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .248  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 12:38:03  

Additional Information
 Earth MOID = .000619804 au 
 Jupiter MOID = 3.28751 au 
 T_jup = 5.264 
[ 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 29.8   .24304 E2020-DA2 autocmod 2.8

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