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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2023872948767278 6.5471e-08  
a 3.171849883979857 2.6247e-08 au
q 2.529907766206111 2.0458e-07 au
i 17.6278395068862 7.2738e-06 deg
node 59.95605281430928 1.5189e-05 deg
peri 313.3622198339569 2.069e-05 deg
M 256.2663481044762 1.6703e-05 deg
tp 2459595.044725924895
(2022-Jan-15.54472592)
9.9383e-05 TDB
period 2063.323689293522
5.65
2.5611e-05
7.012e-08
d
yr
n .174475775113726 2.1656e-09 deg/d
Q 3.813792001753603 3.1559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      631  
   data-arc span      8014 days (21.94 yr)  
   first obs. used      1997-05-27  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53033  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:55:47  

Additional Information
 Earth MOID = 1.56703 au 
 Jupiter MOID = 1.75705 au 
 T_jup = 3.098 
[ 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 14.3   n/a MPO436569  
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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