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40774 Iwaigame (1999 TH20)
Classification: Main-belt Asteroid          SPK-ID: 2040774
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2540845313114738 6.5958e-08  
a 2.595890106377575 2.5514e-08 AU
q 1.936314585362537 1.7642e-07 AU
i 4.5553465651259 6.7713e-06 deg
node 124.2547987853539 7.8685e-05 deg
peri 236.9345467856468 8.016e-05 deg
M 246.0753101352416 2.1743e-05 deg
tp 2457483.940728772235
(2016-Apr-05.44072877)
9.8495e-05 JED
period 1527.6641311432
4.18
2.2522e-05
6.166e-08
d
yr
n .2356538931961441 3.4743e-09 deg/d
Q 3.255465627392612 3.1997e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      689  
   data-arc span      5877 days (16.09 yr)  
   first obs. used      1998-05-16  
   last obs. used      2014-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57912  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 13:21:46  

Additional Information
 Earth MOID = .937827 AU 
 T_jup = 3.366 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a MPO299245  

40774 Iwaigame           Discovered 1999 Oct. 11 by T. Okuni at Nanyo.
Iwaigame Mountain (height 1417 m), located in the southern part of the Asahi mountain range, is in the National Park of Bandai-Asahi. It is a popular area for Japanese mountain climbers.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120831/MPCPages.arcLast Updated: 2012-09-04

[ show close-approach data ]
Alternate Designations
 1999 TH20 = 1998 KL63 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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