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141498 (2002 EZ16)
Classification: Aten [NEO]          SPK-ID: 2141498
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 103 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5665539148827163 5.6715e-08  
a .9215643944144073 2.5524e-09 au
q .3994484789424051 5.2505e-08 au
i 30.13976650522257 3.2197e-06 deg
node 262.902772274704 6.2753e-06 deg
peri 25.35352645941988 7.6512e-06 deg
M 68.33702437439199 1.5325e-05 deg
tp 2459335.160459148352
(2021-Apr-30.66045915)
1.3545e-05 TDB
period 323.1371999110355
0.88
1.3425e-06
3.676e-09
d
yr
n 1.114077859494708 4.6284e-09 deg/d
Q 1.443680309886409 3.9985e-09 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      9139 days (25.02 yr)  
   first obs. used      1995-12-01  
   last obs. used      2020-12-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55281  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-11 06:32:09  

Additional Information
 Earth MOID = .176563 au 
 Jupiter MOID = 3.75073 au 
 T_jup = 6.246 
[ 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 18.4   n/a MPO436711  
rotation period rot_per 5.02 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46, 458-503.]

141498 (2002 EZ16)          Discovered 2002-Mar-08 by Tholen, D. J. at Mauna Kea
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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