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24229 (1999 XC90)
Classification: Main-belt Asteroid          SPK-ID: 2024229
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .205862576830064 2.583e-08  
a 3.15018345421178 1.5571e-08 au
q 2.501678570840312 8.2917e-08 au
i 15.19412984567294 2.7521e-07 deg
node 281.3169395568585 1.5957e-06 deg
peri 352.752894839302 4.1167e-06 deg
M 105.8326881486028 7.0683e-06 deg
tp 2458600.129253714531
(2019-Apr-26.62925371)
3.8384e-05 TDB
period 2042.21845295368
5.59
1.5142e-05
4.146e-08
d
yr
n .1762788890088269 1.307e-09 deg/d
Q 3.798688337583249 1.8777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1883  
   data-arc span      10849 days (29.70 yr)  
   first obs. used      1991-07-06  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44406  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:32:21  

Additional Information
 Earth MOID = 1.48417 au 
 Jupiter MOID = 1.36521 au 
 T_jup = 3.121 
[ 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 13.08   n/a E2021B10  
diameter diameter 12.930 km 0.247 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.096   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24229 (1999 XC90)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XC90 = 1991 NJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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