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(2020 HA)
Classification: Apollo [NEO]          SPK-ID: 54016541
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 2458956.5 (2020-Apr-17.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6458241612582976 0.0015571  
a 2.668689573260378 0.011451 au
q .9451853679507304 0.00010002 au
i 5.265292646469513 0.0097242 deg
node 195.6581725563194 0.0028382 deg
peri 48.84706788742514 0.0082901 deg
M 353.4658205108732 0.044505 deg
tp 2458985.402411123441
(2020-May-15.90241112)
0.010893 TDB
period 1592.37560305054
4.36
10.249
0.02806
d
yr
n .226077314491846 0.0014551 deg/d
Q 4.392193778570025 0.018846 au
  Orbit Determination Parameters
   # obs. used (total)      41  
   data-arc span      1 day  
   first obs. used      2020-04-16  
   last obs. used      2020-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .44984  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:24:58  

Additional Information
 Earth MOID = .025125 au 
 Jupiter MOID = .694937 au 
 T_jup = 3.039 
[ 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 25.7   .51523 E2020H25 autocmod 2.8

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