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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04748794603347394 5.1156e-08  
a 2.914081151670544 2.269e-08 au
q 2.775697423202849 1.5425e-07 au
i 3.083247126296037 4.5676e-06 deg
node 104.0663140298103 0.00011634 deg
peri 30.11079537730111 0.00013143 deg
M 311.7638366048823 6.1133e-05 deg
tp 2459443.956372392756
(2021-Aug-17.45637239)
0.0003092 TDB
period 1816.983107538422
4.97
2.1221e-05
5.81e-08
d
yr
n .1981306257094014 2.3141e-09 deg/d
Q 3.052464880138237 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52871  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:34:06  

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 15.66   n/a MPCxxxxx  

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

[ 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
1914-Oct-20 04:55 00:03 Jupiter 1.99382282556851 1.99382213121091 1.99382351992816 3.24952246941303 3.11604710492246 2420425.704545460 3.49113297664627 156.99024589044 18.0993263444192 -82.5215634418096 2665151.23204832 T 18 CATAB v2.0f-lin.ifort 2021-Apr-14 00:34:07 2021-Apr-14 00:34
1974-Nov-15 02:00 00:01 Jupiter 1.96239922313314 1.96239868085224 1.96239976541393 3.22962621011495 3.09309448179672 2442366.583039858 1.43867602167751 84.4780178655981 17.9175563798877 88.2581665270575 2408365.686103 T 18 CATAB v2.0f-lin.ifort 2021-Apr-14 00:34:07 2021-Apr-14 00:34
2034-Dec-11 00:34 < 00:01 Jupiter 1.98823617177312 1.98823564203375 1.98823670151249 3.41961863550666 3.29268241860063 2464307.523502470 0.6716421025366 50.1995699534371 19.0658177716249 -89.3797869904676 2553587.01663924 T 18 CATAB v2.0f-lin.ifort 2021-Apr-14 00:34:07 2021-Apr-14 00:34
2069-Feb-17 19:16 00:02 Jupiter 1.98574292591638 1.98574236316936 1.98574348866362 3.2367089706937 3.10212525007154 2476795.302819405 1.84172297971251 90.255589012049 17.9834165155881 -83.1175935157288 2661240.54323794 T 18 CATAB v2.0f-lin.ifort 2021-Apr-14 00:34:07 2021-Apr-14 00:34
2129-Mar-17 13:26 00:04 Jupiter 1.95576688263728 1.95576633934846 1.955767425926 3.21705344994362 3.07948915905115 2498737.059942117 3.91698843241732 208.886701950271 18.0446988091229 -88.7298085766108 2399692.14836581 T 18 CATAB v2.0f-lin.ifort 2021-Apr-14 00:34:07 2021-Apr-14 00:34
2189-Apr-13 19:58 00:06 Jupiter 1.98478070609941 1.984779749837 1.98478166237243 3.41528339123273 3.28795425221037 2520679.331704314 5.95652840130027 288.846683819012 19.3315686472695 84.2107214185998 2451373.00809128 T 18 CATAB v2.0f-lin.ifort 2021-Apr-14 00:34:07 2021-Apr-14 00:34
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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