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118462 (1999 XQ24)
Classification: Main-belt Asteroid          SPK-ID: 2118462
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2021838271931302 6.4791e-08  
a 3.174277441408282 2.5795e-08 au
q 2.532489879731538 2.03e-07 au
i 17.61666645363258 6.9802e-06 deg
node 59.93734030067559 1.4824e-05 deg
peri 313.1592321310508 2.0015e-05 deg
M 291.3548652997536 1.6665e-05 deg
tp 2459594.388237391292
(2022-Jan-14.88823739)
9.8148e-05 TDB
period 2065.692872190634
5.66
2.5179e-05
6.894e-08
d
yr
n .1742756654904976 2.1243e-09 deg/d
Q 3.816065003085026 3.101e-08 au
  Orbit Determination Parameters
   # obs. used (total)      657  
   data-arc span      8401 days (23.00 yr)  
   first obs. used      1997-05-27  
   last obs. used      2020-05-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52867  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:57:23  

Additional Information
 Earth MOID = 1.56854 au 
 Jupiter MOID = 1.75729 au 
 T_jup = 3.097 
[ 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 14.39   n/a E2021B55  
diameter diameter 9.560 km 0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.031   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118462 (1999 XQ24)          Discovered 1999-Dec-06 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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