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24228 (1999 XC87)
Classification: Main-belt Asteroid          SPK-ID: 2024228
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1107638433286367 3.1746e-08  
a 3.008997442260699 1.4443e-08 au
q 2.675709320989866 9.5413e-08 au
i 12.65447773626319 3.3647e-06 deg
node 106.0983851394294 1.596e-05 deg
peri 301.1414085609318 2.4947e-05 deg
M 57.37401717320183 1.7371e-05 deg
tp 2458896.660723652297
(2020-Feb-17.16072365)
9.2283e-05 TDB
period 1906.475175948861
5.22
1.3726e-05
3.758e-08
d
yr
n .1888301534379153 1.3595e-09 deg/d
Q 3.342285563531531 1.6042e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2099  
   data-arc span      11324 days (31.00 yr)  
   first obs. used      1990-03-19  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4757  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:32:20  

Additional Information
 Earth MOID = 1.71188 au 
 Jupiter MOID = 2.02114 au 
 T_jup = 3.204 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.41   n/a E2021B10  
diameter diameter 7.849 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.150   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24228 (1999 XC87)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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