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21600 (1998 XL5)
Classification: Main-belt Asteroid          SPK-ID: 2021600
[ 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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08788260651611414 3.769e-08  
a 2.993874065712203 1.4501e-08 au
q 2.730764609236419 1.1291e-07 au
i 11.11369785295291 4.3365e-06 deg
node 142.4784520114902 1.9382e-05 deg
peri 178.4610023363973 2.9233e-05 deg
M 187.9718082834616 2.2541e-05 deg
tp 2460104.661150778263
(2023-Jun-09.16115078)		 0.00011932 TDB
period 1892.120187001199
5.18		 1.3747e-05
3.764e-08		 d
yr
n .1902627552272777 1.3823e-09 deg/d
Q 3.256983522187988 1.5775e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2413  
   data-arc span      16243 days (44.47 yr)  
   first obs. used      1976-09-16  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43352  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:49:56  

Additional Information
 Earth MOID = 1.7161 au 
 Jupiter MOID = 2.05957 au 
 T_jup = 3.221 
[ 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 12.72   n/a E2021B10  
diameter diameter 10.410 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.163   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21600 (1998 XL5)          Discovered 1998-Dec-07 by Korlevic, K. at Visnjan
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XL5 = 2000 AZ129 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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