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141495 (2002 EZ11)
Classification: Apollo [NEO, PHA]          SPK-ID: 2141495
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 148 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8020572042657232 3.2972e-08  
a 1.114103881066223 2.0969e-09 au
q .2205288369566564 3.6866e-08 au
i 2.354260114496011 3.8158e-06 deg
node 51.91566468647071 0.00012985 deg
peri 317.7379161766115 0.0001295 deg
M 293.7662953947668 1.8931e-05 deg
tp 2459079.524817877283
(2020-Aug-18.02481788)
2.2767e-05 TDB
period 429.5235274152844
1.18
1.2126e-06
3.32e-09
d
yr
n .8381380227675732 2.3663e-09 deg/d
Q 2.00767892517579 3.7788e-09 au
  Orbit Determination Parameters
   # obs. used (total)      701  
   data-arc span      6274 days (17.18 yr)  
   first obs. used      2002-02-24  
   last obs. used      2019-04-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56489  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-21 06:11:23  

Additional Information
 Earth MOID = .00097672 au 
 Jupiter MOID = 3.45493 au 
 T_jup = 5.223 
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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 18.3   n/a MPO366780  
rotation period rot_per 2.3270 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Ries, J.G.; Barker, E.S.; Varadi, F.; Shelus, P.J. (2004) Bull. Amer. Astron. Soc. 36, 779.]
[Polishook, D. (2012) Minor Planet Bull. 39, 187-192.]

141495 (2002 EZ11)          Discovered 2002-Mar-15 by NEAT at Palomar
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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