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227493 (2005 XF56)
Classification: Main-belt Asteroid          SPK-ID: 2227493
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2224004113286678 8.2054e-08  
a 2.631683170180814 3.6555e-08 au
q 2.046395750645868 2.2301e-07 au
i 13.56374769492248 7.9392e-06 deg
node 132.9214586910078 3.0391e-05 deg
peri 230.7064253206019 3.3762e-05 deg
M 231.8892451012949 2.4698e-05 deg
tp 2459755.421972206043
(2022-Jun-24.92197221)		 0.00011678 TDB
period 1559.368767689578
4.27		 3.249e-05
8.895e-08		 d
yr
n .2308626461291707 4.8101e-09 deg/d
Q 3.216970589715759 4.4685e-08 au
   Orbit Determination Parameters
   # obs. used (total)      245  
   data-arc span      8121 days (22.23 yr)  
   first obs. used      1998-01-26  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62185  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:59  

Additional Information
 Earth MOID = 1.0684 au 
 Jupiter MOID = 2.30058 au 
 T_jup = 3.325 
[ 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 16.05   n/a E2021B55  
diameter diameter 3.928 km 0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227493 (2005 XF56)          Discovered 2005-Dec-05 by CSS at Catalina
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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