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52816 (1998 QX98)
Classification: Main-belt Asteroid          SPK-ID: 2052816
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2110364174627342 2.9317e-08  
a 2.351859184616461 8.4481e-09 au
q 1.855531247918176 6.8242e-08 au
i 3.228458894083096 3.4156e-06 deg
node 93.13315919132037 7.673e-05 deg
peri 215.3487750697784 7.7386e-05 deg
M 90.2239781854193 1.1291e-05 deg
tp 2458870.332081986379
(2020-Jan-21.83208199)
4.0517e-05 TDB
period 1317.393146205918
3.61
7.0983e-06
1.943e-08
d
yr
n .2732669446753971 1.4724e-09 deg/d
Q 2.848187121314746 1.0231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      651  
   data-arc span      9723 days (26.62 yr)  
   first obs. used      1994-06-03  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57252  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:48:19  

Additional Information
 Earth MOID = .83994 au 
 Jupiter MOID = 2.41335 au 
 T_jup = 3.525 
[ 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 16.40   n/a E2021B10  

52816 (1998 QX98)          Discovered 1998-Aug-26 by Elst, E. W. at La Silla
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QX98 = 1994 LY5 = 2000 AT239 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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