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(2020 HW)
Classification: Apollo [NEO]          SPK-ID: 54016566
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.


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Orbital Elements at Epoch 2458956.5 (2020-Apr-17.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1159300799443002 0.00060412  
a 1.088735436165867 0.00099808 au
q .9625182500129652 0.00022467 au
i 26.13395927049629 0.071122 deg
node 205.874033173815 0.00066448 deg
peri 71.6689690355914 0.27093 deg
M 301.5107114787497 0.3077 deg
tp 2459023.914885693577
(2020-Jun-23.41488569)
0.26196 TDB
period 414.936810880683
1.14
0.57058
0.001562
d
yr
n .8676019831451388 0.001193 deg/d
Q 1.214952622318768 0.0011138 au
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      6 days  
   first obs. used      2020-04-16  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .51008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-24 06:56:01  

Additional Information
 Earth MOID = .0316383 au 
 Jupiter MOID = 3.83473 au 
 T_jup = 5.595 
[ 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 26.095   .27604 2 autocmod 2.8

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