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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 172 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8021320147023282 3.1272e-08  
a 1.114098331791243 2.033e-09 au
q .2204443923350303 3.5007e-08 au
i 2.354459991313207 3.7148e-06 deg
node 51.90864071501836 0.00010711 deg
peri 317.7426621733089 0.00010676 deg
M 265.6622276185013 1.9066e-05 deg
tp 2459509.055527830505
(2021-Oct-21.55552783)
2.3002e-05 TDB
period 429.5203182784568
1.18
1.1757e-06
3.219e-09
d
yr
n .8381442848685287 2.2941e-09 deg/d
Q 2.007752271247455 3.6636e-09 au
  Orbit Determination Parameters
   # obs. used (total)      791  
   data-arc span      7013 days (19.20 yr)  
   first obs. used      2002-02-24  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56351  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-09 06:09:01  

Additional Information
 Earth MOID = .000952549 au 
 Jupiter MOID = 3.4567 au 
 T_jup = 5.223 
[ 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 18.3   n/a MPO366780  
rotation period rot_per 2.3270 h n/a LCDB (Rev. 2020-October); 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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