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JPL Small-Body Database Browser
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26828 (1989 WZ1)
Classification: Main-belt Asteroid          SPK-ID: 2026828
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1935796530002276 3.443e-08  
a 2.384970868660263 7.9071e-09 au
q 1.923289035489358 8.35e-08 au
i 3.273370031428095 4.0506e-06 deg
node 57.86766740406244 7.0344e-05 deg
peri 353.5738768572908 7.1158e-05 deg
M 5.778069483616632 1.1396e-05 deg
tp 2458578.907481306518
(2019-Apr-05.40748131)
4.2542e-05 TDB
period 1345.312089391477
3.68
6.6904e-06
1.832e-08
d
yr
n .2675959004894087 1.3308e-09 deg/d
Q 2.846652701831168 9.4378e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1548  
   data-arc span      10923 days (29.91 yr)  
   first obs. used      1989-11-28  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50835  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:55:40  

Additional Information
 Earth MOID = .933701 au 
 Jupiter MOID = 2.52233 au 
 T_jup = 3.508 
[ 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 14.4   n/a MPO452545  

26828 (1989 WZ1)          Discovered 1989-Nov-29 by Endate, K., Watanabe, K. at Kitami
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 WZ1 = 1998 EB13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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