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24640 Omiwa (1982 XW1)
Classification: Main-belt Asteroid          SPK-ID: 2024640
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .171145000036443 3.5145e-08  
a 2.617929480611884 1.0431e-08 au
q 2.169883939557158 9.6088e-08 au
i 3.020130833906787 3.2014e-06 deg
node 131.7513876664333 7.6498e-05 deg
peri 331.3436086417544 7.734e-05 deg
M 318.4940605767914 1.1966e-05 deg
tp 2459378.878739059218
(2021-Jun-13.37873906)
5.1807e-05 TDB
period 1547.160405322882
4.24
9.2469e-06
2.532e-08
d
yr
n .2326843414305645 1.3907e-09 deg/d
Q 3.06597502166661 1.2216e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1297  
   data-arc span      13936 days (38.15 yr)  
   first obs. used      1982-12-13  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49483  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:45:42  

Additional Information
 Earth MOID = 1.18716 au 
 Jupiter MOID = 2.07877 au 
 T_jup = 3.383 
[ 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 15.13   n/a E2021B10  
diameter diameter 5.929 km 0.202 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)  

24640 Omiwa           Discovered 1982 Dec. 13 by H. Kosai and K. Hurukawa at Kiso.
The Omiwa Shrine is one of the oldest Shinto shrines in Japan. It is located on Miwa-Yama, a mountain located in the southeast of the Yamato Basin, Miwa, Sakurai City, Nara prefecture.
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 2018-05-29Last Updated: 2018-09-17

Alternate Designations
 1982 XW1 = 1994 PC24 = 1997 LU10 = 1999 VC189 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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