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22355 Yahabananshozan (1992 WD1)
Classification: Main-belt Asteroid          SPK-ID: 2022355
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 .1922064721872778 3.9342e-08  
a 2.374786356335794 7.6473e-09 au
q 1.918337048586012 9.3005e-08 au
i 3.150472545649019 3.8299e-06 deg
node 100.1756088429473 6.1685e-05 deg
peri 304.0318712977729 6.2258e-05 deg
M 250.4839679110655 9.8022e-06 deg
tp 2459607.140325345616
(2022-Jan-27.64032535)
3.7611e-05 TDB
period 1336.703990567726
3.66
6.4567e-06
1.768e-08
d
yr
n .2693191630610009 1.3009e-09 deg/d
Q 2.831235664085577 9.1172e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1562  
   data-arc span      14123 days (38.67 yr)  
   first obs. used      1981-10-24  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50203  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:04:51  

Additional Information
 Earth MOID = .928711 au 
 Jupiter MOID = 2.56637 au 
 T_jup = 3.515 
[ 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 15.17   n/a E2021B10  
diameter diameter 2.162 km 0.507 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.378   0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22355 Yahabananshozan           Discovered 1992 Nov. 16 by K. Endate and K. Watanabe at Kitami.
Yahabananshozan is the name of a 848-m mountain in Iwate Prefecture of Japan. It appears in Kenji Miyazawa's famous story "Taneyamagahara no Yoru" ("The Night of Taneyamagahara").
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-10-26Last Updated: 2019-04-09

Alternate Designations
 1992 WD1 = 1981 UP24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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