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43122 (1999 XL50)
Classification: Main-belt Asteroid          SPK-ID: 2043122
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07688429615267849 3.7578e-08  
a 2.525792127954142 1.1582e-08 au
q 2.331598377968412 9.7692e-08 au
i 6.253835336169425 4.0638e-06 deg
node 74.75135332558061 3.2736e-05 deg
peri 205.4699123525122 4.0813e-05 deg
M 225.8295195891283 2.5813e-05 deg
tp 2459746.948589085877
(2022-Jun-16.44858909)
0.00010599 TDB
period 1466.205468360055
4.01
1.0085e-05
2.761e-08
d
yr
n .2455317537470778 1.6888e-09 deg/d
Q 2.719985877939872 1.2472e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1124  
   data-arc span      10696 days (29.28 yr)  
   first obs. used      1991-12-07  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53475  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:23:57  

Additional Information
 Earth MOID = 1.31509 au 
 Jupiter MOID = 2.35863 au 
 T_jup = 3.441 
[ 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 15.16   n/a MPCxxxxx  
diameter diameter 2.182 km 0.289 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.281   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43122 (1999 XL50)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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