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(2020 EC)
Classification: Apollo [NEO]          SPK-ID: 54013535
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458913.5 (2020-Mar-05.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6949381021551335 0.0085154  
a 2.515021078387371 0.073305 au
q .7672371032926942 0.00094794 au
i 19.19874393561383 0.10031 deg
node 250.1957135194077 0.37479 deg
peri 174.2172783430186 0.5477 deg
M 15.17222283740082 0.72031 deg
tp 2458852.101525252537
(2020-Jan-03.60152525)		 0.23057 TDB
period 1456.836690705583
3.99		 63.693
0.1744		 d
yr
n .2471107450112633 0.010804 deg/d
Q 4.262805053482048 0.12425 au
   Orbit Determination Parameters
   # obs. used (total)      35  
   data-arc span      12 days  
   first obs. used      2020-03-03  
   last obs. used      2020-03-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .63578  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-15 07:08:58  

Additional Information
 Earth MOID = .209208 au 
 Jupiter MOID = 1.10374 au 
 T_jup = 3.013 
[ 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 19.4   .58743 E2020E49 autocmod 2.8

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2020-Feb-06 06:03 00:43 Earth 0.385763307613117 0.375972809560637 0.395553798726886 25.3049638508308 25.304690897712 2458885.752253395 42.8009652020357 488205.564147889 421.643479971441 -0.148766921619696 314.729118428633 T 4 CATAB v2.0f-lin.ifort 2020-Mar-15 07:09:13 2020-Mar-15 07:09
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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