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(2012 XE54)
Classification: Apollo [NEO]          SPK-ID: 3619633
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5592934297386947 0.00014665  
a 1.910448101771817 0.00058812 AU
q .8419470305940788 2.0976e-05 AU
i 8.028896249974878 0.0018025 deg
node 259.181276720137 2.1406e-05 deg
peri 233.9926788997723 0.00057749 deg
M 182.9073763898788 0.08337 deg
tp 2457274.959628730397
(2015-Sep-09.45962873)
0.44245 JED
period 964.4979156160692
2.64
0.44538
0.001219
d
yr
n .3732511954368004 0.00017236 deg/d
Q 2.978949172949556 0.00091706 AU
  Orbit Determination Parameters
   # obs. used (total)      188  
   data-arc span      2 days  
   first obs. used      2012-12-09  
   last obs. used      2012-12-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      6  
   fit RMS      .47589  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 11:57:51  

Additional Information
 Earth MOID = .00107856 AU 
 T_jup = 3.718 
[ 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 25.4 mag n/a MPO258433  

[ 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
1994-Oct-02 13:33 18:12 Iris 0.0491636534066375 0.0475547356817054 0.101915809857807 11.993588792913 11.9935887831635 2449628.064815394 1092.33054196636 3872831.50808293 39.2473450324451 -75.3048079631025 181252.271419625 T 6 CATAB v2.0c-linF95 2013-Aug-05 11:57:55 2013-Aug-05 11:57
2002-Apr-14 02:09 1_14:09 Earth 0.254731108998582 0.183619858329766 0.335599367529082 18.8659872770046 18.8654328336087 2452378.589238676 2289.02813635386 4308723.24233706 36.2130304977832 30.3622391103998 457813.687040698 T 6 CATAB v2.0c-linF95 2013-Aug-05 11:57:55 2013-Aug-05 11:57
2012-Dec-11 10:05 < 00:01 Earth 0.00150447318212058 0.00150342917253981 0.00150551738022841 13.2671764663035 13.133007849404 2456272.919866261 0.00548306291817458 55.6874215265522 0.255564637860028 -0.688040144808841 3003.92737211375 T 6 CATAB v2.0c-linF95 2013-Aug-05 11:57:55 2013-Aug-05 11:57
2012-Dec-11 16:49 < 00:01 Moon 0.00218064806653167 0.00217965004617051 0.00218164619155818 13.2488166512233 13.2476822290828 2456273.200811034 0.0955198152985978 52.5139714707211 0.50964882697739 12.6466942278411 134672.750215676 T 6 CATAB v2.0c-linF95 2013-Aug-05 11:57:55 2013-Aug-05 11:57
2020-Nov-10 08:04 19:27 Earth 0.499244719488251 0.431712479828469 0.566698198582248 27.7452394483182 27.7450470895865 2459163.836095444 1166.55704442546 3350083.10306996 1.20006808291773 -2.63619037819293 2650862.68916732 T 6 CATAB v2.0c-linF95 2013-Aug-05 11:57:55 2013-Aug-05 11:57
2023-Nov-25 14:17 1_03:44 Mars 0.0698414866331293 0.068388526447864 0.108951575638484 16.9776603157975 16.9774188709401 2460274.094945563 1663.56934428101 3395991.79127137 59.5445925584282 77.999257157234 164573.801377834 T 6 CATAB v2.0c-linF95 2013-Aug-05 11:57:55 2013-Aug-05 11:57
2086-Nov-18 05:58 1_00:00 Earth 0.368753780401003 0.2993696106312 0.437637972195675 23.9069093728894 23.9066071306311 2483277.748325684 1440.15379509918 3365433.78464078 1.38380157120949 -1.7052337011723 1070581.0769103 T 6 CATAB v2.0c-linF95 2013-Aug-05 11:57:55 2013-Aug-05 11:57
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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