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24179 (1999 XS7)
Classification: Main-belt Asteroid          SPK-ID: 2024179
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1784362892079595 1.7722e-08  
a 2.729608565841974 1.1095e-08 au
q 2.242547342362871 5.2264e-08 au
i 14.57634439929681 6.4046e-07 deg
node 45.02368435862476 1.0805e-06 deg
peri 2.577459490857773 4.5297e-06 deg
M 280.4764936948542 7.1716e-06 deg
tp 2459564.366442829399
(2021-Dec-15.86644283)
3.4154e-05 TDB
period 1647.210057815414
4.51
1.0043e-05
2.75e-08
d
yr
n .2185513610070134 1.3325e-09 deg/d
Q 3.216669789321075 1.3074e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1593  
   data-arc span      23939 days (65.54 yr)  
   first obs. used      1955-01-29  
   last obs. used      2020-08-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46132  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:36:59  

Additional Information
 Earth MOID = 1.25157 au 
 Jupiter MOID = 2.19427 au 
 T_jup = 3.286 
[ 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 13.45   n/a E2021B10  
diameter diameter 6.349 km 0.177 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.230   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24179 (1999 XS7)          Discovered 1999-Dec-04 by Juels, C. W. at Fountain Hills
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XS7 = 1985 UC4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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