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24266 (1999 XE144)
Classification: Main-belt Asteroid          SPK-ID: 2024266
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .133624506309943 4.0701e-08  
a 2.628297433641204 8.9083e-09 au
q 2.277092486635208 1.0662e-07 au
i 3.387853174561593 3.1066e-06 deg
node 139.1720444991567 7.2925e-05 deg
peri 241.2966058300946 7.4061e-05 deg
M 19.34899589201334 1.1426e-05 deg
tp 2459116.849965386573
(2020-Sep-24.34996539)
4.9493e-05 TDB
period 1556.360476217979
4.26
7.9127e-06
2.166e-08
d
yr
n .2313088808800999 1.176e-09 deg/d
Q 2.979502380647201 1.0099e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1800  
   data-arc span      8734 days (23.91 yr)  
   first obs. used      1997-04-11  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47027  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:38:35  

Additional Information
 Earth MOID = 1.28043 au 
 Jupiter MOID = 2.48188 au 
 T_jup = 3.386 
[ 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 14.31   n/a E2021B10  
diameter diameter 3.477 km 0.669 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.176   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24266 (1999 XE144)          Discovered 1999-Dec-13 by Korlevic, K. at Visnjan
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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