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79542 (1998 QH38)
Classification: Main-belt Asteroid          SPK-ID: 2079542
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1690278491512444 6.0843e-08  
a 2.283517565070565 9.105e-09 au
q 1.897539502547601 1.3529e-07 au
i 5.080272489640594 6.9427e-06 deg
node 7.230211587256344 3.9607e-05 deg
peri 303.1651886352033 4.7341e-05 deg
M 127.8673789131806 3.0581e-05 deg
tp 2458552.825637445429
(2019-Mar-10.32563745)
0.00010542 TDB
period 1260.390037626968
3.45
7.5383e-06
2.064e-08
d
yr
n .2856258691776073 1.7083e-09 deg/d
Q 2.66949562759353 1.0644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      805  
   data-arc span      7848 days (21.49 yr)  
   first obs. used      1998-07-31  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50948  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:43:01  

Additional Information
 Earth MOID = .889197 au 
 Jupiter MOID = 2.60172 au 
 T_jup = 3.579 
[ 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 15.8   n/a MPO502635  

79542 (1998 QH38)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 QH38 = 2002 XB72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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