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JPL Small-Body Database Browser
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26379 (1999 HZ1)
Classification: Apollo [NEO]          SPK-ID: 2026379
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5765434802502792 2.4804e-07  
a 1.605613810670884 4.345e-08 au
q .6799076363287796 4.0761e-07 au
i 8.691393549233986 2.5145e-05 deg
node 252.1759204982186 0.0001821 deg
peri 200.4756592521066 0.00018895 deg
M 351.4984437467024 0.00010212 deg
tp 2458618.049146583199
(2019-May-14.54914658)
0.00021149 TDB
period 743.1219157670201
2.03
3.0165e-05
8.259e-08
d
yr
n .4844427170855575 1.9665e-08 deg/d
Q 2.531319985012988 6.8502e-08 au
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      5788 days (15.85 yr)  
   first obs. used      1992-08-27  
   last obs. used      2008-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .69548  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:29:25  

Additional Information
 Earth MOID = .131266 au 
 Jupiter MOID = 2.70483 au 
 T_jup = 4.138 
[ 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 18.0   n/a MPO198784  

26379 (1999 HZ1)          Discovered 1999-Apr-20 by LINEAR at Socorro
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

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