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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1108899503913114 3.1586e-08  
a 3.009017123002268 1.4414e-08 au
q 2.675347363505939 9.4808e-08 au
i 12.65382531236707 3.3536e-06 deg
node 106.0965144197821 1.5842e-05 deg
peri 301.1300044876711 2.4837e-05 deg
M 94.38306876271801 1.7313e-05 deg
tp 2458896.664602776301
(2020-Feb-17.16460278)
9.2138e-05 TDB
period 1906.493880305038
5.22
1.3699e-05
3.751e-08
d
yr
n .1888283008505646 1.3568e-09 deg/d
Q 3.342686882498596 1.6012e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2175  
   data-arc span      11409 days (31.24 yr)  
   first obs. used      1990-03-19  
   last obs. used      2021-06-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48283  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 05:25:47  

Additional Information
 Earth MOID = 1.71184 au 
 Jupiter MOID = 2.02161 au 
 T_jup = 3.204 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457551.5 (2016-Jun-12.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1077088775635368 3.1474e-08  
q 2.687781538597962 9.3838e-08 au
tp 2456984.535888722229
(2014-Nov-23.03588872)
9.9739e-05 TDB
node 106.3333752472441 1.5849e-05 deg
peri 300.1768133953582 2.5469e-05 deg
i 12.64468218215053 3.3519e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2175  
   data-arc span      11409 days (31.24 yr)  
   first obs. used      1990-03-19  
   last obs. used      2021-06-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48283  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 05:25:47  

Additional Information
 Jupiter MOID = 2.02161 au 
 T_jup = 3.204 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.906064374761366E-16 -2.925665446290299E-15 -9.132103040112224E-13 -2.17951027979963E-15 -2.06261169345923E-13 -1.691297380564498E-15
q -2.925665446290299E-15 8.805524541750871E-15 2.383620792722646E-12 7.610974410244895E-15 5.553124364018543E-13 5.013743043621947E-15
tp -9.132103040112224E-13 2.383620792722646E-12 9.947854827668989E-9 1.574443994170351E-11 2.002162306973655E-9 1.855494573842432E-12
node -2.17951027979963E-15 7.610974410244895E-15 1.574443994170351E-11 2.511841152002439E-10 -2.416110569611024E-10 2.666919034473553E-12
peri -2.06261169345923E-13 5.553124364018543E-13 2.002162306973655E-9 -2.416110569611024E-10 6.486595098752534E-10 -2.236640957494606E-12
i -1.691297380564498E-15 5.013743043621947E-15 1.855494573842432E-12 2.666919034473553E-12 -2.236640957494606E-12 1.123519489325888E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.42   n/a MPO614063  
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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