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JPL Small-Body Database Browser
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523938 (1998 HX1)
Classification: Main-belt Asteroid          SPK-ID: 2523938
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05877158179760109 4.7369e-08  
a 2.314260790867696 1.7656e-08 au
q 2.178248023496234 1.1095e-07 au
i 6.652320416369512 7.4474e-06 deg
node 172.2855601967374 5.0988e-05 deg
peri 283.2602001153048 8.4449e-05 deg
M 92.50506052668636 6.6731e-05 deg
tp 2458270.069700606159
(2018-May-31.56970061)
0.00023847 TDB
period 1285.928651951596
3.52
1.4716e-05
4.029e-08
d
yr
n .2799533235795346 3.2037e-09 deg/d
Q 2.450273558239158 1.8694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      7709 days (21.11 yr)  
   first obs. used      1998-04-19  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55758  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:40:52  

Additional Information
 Earth MOID = 1.20644 au 
 Jupiter MOID = 2.62935 au 
 T_jup = 3.571 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO477466  

523938 (1998 HX1)          Discovered 1998-Apr-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-05-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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