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213748 (2002 XE50)
Classification: Main-belt Asteroid          SPK-ID: 2213748
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1695565030901726 5.4578e-08  
a 2.601044736124883 1.8512e-08 au
q 2.160020686286447 1.4873e-07 au
i 11.97233586529929 4.9288e-06 deg
node 63.14592493034213 2.8452e-05 deg
peri 262.2844520095167 3.1851e-05 deg
M 197.5685954658164 1.5578e-05 deg
tp 2459891.833589840904
(2022-Nov-08.33358984)
6.8276e-05 TDB
period 1532.216587404739
4.19
1.6358e-05
4.479e-08
d
yr
n .234953728447599 2.5083e-09 deg/d
Q 3.042068785963319 2.1651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      6731 days (18.43 yr)  
   first obs. used      2002-11-14  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57232  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:39:39  

Additional Information
 Earth MOID = 1.18543 au 
 Jupiter MOID = 2.35862 au 
 T_jup = 3.364 
[ 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 15.63   n/a MPCxxxxx  
diameter diameter 2.226 km 0.663 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 13.9597 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.225   0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

213748 (2002 XE50)          Discovered 2002-Dec-10 by NEAT at Palomar
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

Alternate Designations
 2002 XE50 = 2005 KK9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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