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22177 Saotome (2000 XS38)
Classification: Main-belt Asteroid          SPK-ID: 2022177
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1391730697778891 1.847e-08  
a 3.171738892895461 1.7546e-08 au
q 2.730318254637276 6.2889e-08 au
i 23.92251471947519 7.3001e-07 deg
node 70.3903473419588 2.5929e-06 deg
peri 210.7067992171662 8.1705e-06 deg
M 352.2034013484252 7.2741e-06 deg
tp 2459245.183506440285
(2021-Jan-30.68350644)
4.181e-05 TDB
period 2063.215388835421
5.65
1.7121e-05
4.687e-08
d
yr
n .1744849335401678 1.4479e-09 deg/d
Q 3.613159531153645 1.9988e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2168  
   data-arc span      15623 days (42.77 yr)  
   first obs. used      1977-12-07  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42996  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:01:55  

Additional Information
 Earth MOID = 1.73355 au 
 Jupiter MOID = 1.52859 au 
 T_jup = 3.054 
[ 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 12.34   n/a E2021B10  
diameter diameter 22.097 km 0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22177 Saotome           Discovered 2000 Dec. 6 at Bisei Spaceguard Center.
Masatoshi Saotome (b. 1940) is one of the directors of the Japan Space Forum. He contributed greatly to the construction of Bisei Spaceguard Center.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020328/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 2000 XS38 = 1977 XT1 = 1986 LY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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