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43123 (1999 XT50)
Classification: Main-belt Asteroid          SPK-ID: 2043123
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1759015011676021 3.7996e-08  
a 2.571402387200516 1.1022e-08 au
q 2.119088847185989 9.7325e-08 au
i 8.864057595036337 4.1656e-06 deg
node 80.08416751670346 2.531e-05 deg
peri 177.6588826662027 2.7633e-05 deg
M 198.0705052828533 1.1415e-05 deg
tp 2459877.949538013638
(2022-Oct-25.44953801)
4.9198e-05 TDB
period 1506.098898850482
4.12
9.6833e-06
2.651e-08
d
yr
n .2390281277509512 1.5368e-09 deg/d
Q 3.023715927215042 1.296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1714  
   data-arc span      15987 days (43.77 yr)  
   first obs. used      1977-06-12  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47326  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:24:00  

Additional Information
 Earth MOID = 1.10233 au 
 Jupiter MOID = 2.03731 au 
 T_jup = 3.391 
[ 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 14.04   n/a MPCxxxxx  
diameter diameter 4.659 km 1.213 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.243   0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

43123 (1999 XT50)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XT50 = 1977 LF1 = 1977 LJ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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