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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1321829098980742 3.731e-08  
a 2.227459392962499 8.0211e-09 au
q 1.933027328720918 8.2623e-08 au
i 4.056642710266996 4.3081e-06 deg
node 179.0637833796485 4.6821e-05 deg
peri 150.0313286786982 4.8979e-05 deg
M 258.7283189664613 1.5036e-05 deg
tp 2459542.084879715536
(2021-Nov-23.58487972)
5.1276e-05 TDB
period 1214.264001965843
3.32
6.5588e-06
1.796e-08
d
yr
n .296475889441814 1.6014e-09 deg/d
Q 2.52189145720408 9.0813e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55562  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:29  

Additional Information
 Earth MOID = .921396 au 
 Jupiter MOID = 2.7909 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 16.36   n/a E2021B55  

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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