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226016 (2002 EN84)
Classification: Main-belt Asteroid          SPK-ID: 2226016
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04748794651659857 5.1156e-08  
a 2.914081150121435 2.269e-08 au
q 2.77569742031944 1.5425e-07 au
i 3.08324712954176 4.5676e-06 deg
node 104.0663141808957 0.00011634 deg
peri 30.11079610523126 0.00013143 deg
M 311.7638357237767 6.1133e-05 deg
tp 2459443.956376645720
(2021-Aug-17.45637665)
0.0003092 TDB
period 1816.983106089575
4.97
2.1221e-05
5.81e-08
d
yr
n .198130625867389 2.3141e-09 deg/d
Q 3.05246487992343 2.3767e-08 au
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      8747 days (23.95 yr)  
   first obs. used      1997-02-06  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52872  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:07:55  

Additional Information
 Earth MOID = 1.79025 au 
 Jupiter MOID = 1.95044 au 
 T_jup = 3.278 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO494237  

226016 (2002 EN84)          Discovered 2002-Mar-09 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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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
1914-Oct-20 04:56 00:03 Jupiter 1.99382268163229 1.99382198727292 1.9938233759937 3.24952237964541 3.1160470007144 2420425.705857711 3.49114867843412 156.990903473237 18.0993456361138 -82.521544381354 2665146.3076381 T 17 CATAB v2.0f-lin.ifort 2021-Feb-24 13:07:55 2021-Feb-24 13:07
1974-Nov-15 01:59 00:01 Jupiter 1.96239920748183 1.96239866520127 1.96239974976228 3.22962610774961 3.09309437302905 2442366.582982525 1.43866880550858 84.4776799615979 17.9175578287529 88.2582270215957 2408366.03892594 T 17 CATAB v2.0f-lin.ifort 2021-Feb-24 13:07:55 2021-Feb-24 13:07
2034-Dec-11 00:34 < 00:01 Jupiter 1.98823617381739 1.98823564407791 1.98823670355676 3.41961868663675 3.29268247112011 2464307.523504303 0.671640115982176 50.1994978840797 19.0658212958175 -89.3797894603828 2553586.88347285 T 17 CATAB v2.0f-lin.ifort 2021-Feb-24 13:07:55 2021-Feb-24 13:07
2069-Feb-17 19:16 00:02 Jupiter 1.98574288419646 1.98574232145431 1.98574344693872 3.23670890390008 3.10212517673162 2476795.302975654 1.84167980072465 90.253774414471 17.983384320849 -83.1177600097718 2661240.96814687 T 17 CATAB v2.0f-lin.ifort 2021-Feb-24 13:07:55 2021-Feb-24 13:07
2129-Mar-17 13:27 00:04 Jupiter 1.95576687372055 1.95576633043339 1.95576741700771 3.21705372385635 3.07948944378176 2498737.060623266 3.91658760894116 208.865705624488 18.0446950935542 -88.7299794895978 2399691.74568908 T 17 CATAB v2.0f-lin.ifort 2021-Feb-24 13:07:55 2021-Feb-24 13:07
2189-Apr-13 19:59 00:06 Jupiter 1.98478097296979 1.9847800168502 1.98478192909999 3.4152849106626 3.28795584721651 2520679.332792689 5.95508460272119 288.777193418344 19.3316120367437 84.2105412829597 2451372.95355357 T 17 CATAB v2.0f-lin.ifort 2021-Feb-24 13:07:55 2021-Feb-24 13:07
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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