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(2013 EN20)
Classification: Apollo [NEO]          SPK-ID: 3631789
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456359.5 (2013-Mar-08.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3906765935923585 0.0032455  
a 1.5736351008609 0.0077031 AU
q .9588527000991963 0.000416 AU
i 2.070650511922133 0.0068176 deg
node 166.6642309981976 0.0012282 deg
peri 32.87229379117466 0.072338 deg
M 346.5162522812002 0.089709 deg
tp 2456386.506145035474
(2013-Apr-04.00614504)
0.020984 JED
period 721.0318982173915
1.97
5.2943
0.0145
d
yr
n .4992844295655 0.0036661 deg/d
Q 2.188417501622604 0.010712 AU
  Orbit Determination Parameters
   # obs. used (total)      16  
   data-arc span      1 day  
   first obs. used      2013-03-07  
   last obs. used      2013-03-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      8  
   fit RMS      .43955  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 17:29:10  

Additional Information
 Earth MOID = .00245979 AU 
 T_jup = 4.318 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 29.1 mag n/a MPO256838  

[ 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
2013-Mar-10 15:01 00:15 Earth 0.0029849638519999 0.00297536965033636 0.00299620393821471 7.3053845211037 7.18215675089555 2456362.125975612 14.6618032808478 1547.28531110147 7.06417308127432 -0.652109164801424 155.285915783389 T 3 CATAB v2.0c-linF95 2014-Jun-13 17:29:13 2014-Jun-13 17:29
2013-Mar-11 01:31 00:18 Moon 0.0040423293248847 0.00401149281290316 0.00407329556027977 7.81739735263323 7.81636017366224 2456362.563282311 18.214840692606 1357.85822871039 586.209477586629 -8.56116826238589 444.774255399812 T 3 CATAB v2.0c-linF95 2014-Jun-13 17:29:13 2014-Jun-13 17:29
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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