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JPL Small-Body Database Browser
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(2014 EM)
Classification: Apollo [NEO]          SPK-ID: 3663259
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5445255202726269 0.00068263  
a 1.982195664918564 0.0027995 au
q .9028395391966375 7.8001e-05 au
i 4.142571153443105 0.0039773 deg
node 350.8148024359875 0.00010505 deg
peri 227.4020402514712 0.0035265 deg
M 69.59678798581311 1.6685 deg
tp 2458803.437083625013
(2019-Nov-15.93708362)
4.307 TDB
period 1019.337988837307
2.79
2.1595
0.005912
d
yr
n .3531703948467854 0.00074819 deg/d
Q 3.061551790640491 0.0043239 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      9 days  
   first obs. used      2014-03-05  
   last obs. used      2014-03-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .51948  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:42:10  

Additional Information
 Earth MOID = .00595061 au 
 Jupiter MOID = 1.93431 au 
 T_jup = 3.658 
[ 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 25.4   n/a MPO292234  
rotation period rot_per 2.963 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2014) Minor Planet Bull. 41, 157-168.]

[ 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
1941-Feb-16 04:27 5_10:23 Earth 0.368380882499573 0.23070157058652 0.506276132283817 22.5365369607338 22.5362160153131 2430041.685576307 7823.33963779126 6885276.1246438 6.1467775844305 -3.44660532511412 534383.1884244 T 15 CATAB v2.0e-lin.ifort 2017-Nov-29 14:45:13 2018-Dec-11 16:13
1941-Jun-21 01:11 6_19:19 Mars 0.0306609409708608 0.0287829886148839 0.125009121870669 14.7917077145321 14.7910764496082 2430166.549108374 9799.15270521873 5539499.8153351 45.9311035967437 -69.8480862043328 93942.8581007123 T 15 CATAB v2.0e-lin.ifort 2017-Nov-29 14:45:13 2018-Dec-11 16:13
2014-Mar-15 04:59 < 00:01 Earth 0.0111543431957031 0.011118036816138 0.0111906487504833 11.685284947065 11.6648247682871 2456731.707862967 0.0508364313096293 1804.09159561558 3.2378106818091 -0.176215747074996 622.94000285775 T 15 CATAB v2.0e-lin.ifort 2017-Nov-29 14:45:13 2018-Dec-11 16:13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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