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118275 (1998 QR24)
Classification: Main-belt Asteroid          SPK-ID: 2118275
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1320444047908108 3.7298e-08  
a 2.227781595681999 8.036e-09 au
q 1.933615500876246 8.2603e-08 au
i 4.056253707471104 4.3077e-06 deg
node 179.0637295861413 4.6825e-05 deg
peri 149.9913275471932 4.8988e-05 deg
M 199.4769227958249 1.4965e-05 deg
tp 2459542.054688775146
(2021-Nov-23.55468877)
5.1346e-05 TDB
period 1214.527477012394
3.33
6.5715e-06
1.799e-08
d
yr
n .2964115730716616 1.6038e-09 deg/d
Q 2.52194769048775 9.0971e-09 au
  Orbit Determination Parameters
   # obs. used (total)      729  
   data-arc span      7931 days (21.71 yr)  
   first obs. used      1998-08-04  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55555  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:19:13  

Additional Information
 Earth MOID = .923903 au 
 Jupiter MOID = 2.79106 au 
 T_jup = 3.630 
[ 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 16.3   n/a MPO459558  

118275 (1998 QR24)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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