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74818 Iten (1999 TW10)
Classification: Main-belt Asteroid          SPK-ID: 2074818
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1428848217906928 4.6726e-08  
a 2.378406415214065 1.1417e-08 au
q 2.038568238430363 1.0732e-07 au
i 8.785074485259363 5.2584e-06 deg
node 44.97689217840973 3.3251e-05 deg
peri 42.24693563142545 4.0493e-05 deg
M 290.0285321113711 2.1831e-05 deg
tp 2459656.903017426322
(2022-Mar-18.40301743)
8.1751e-05 TDB
period 1339.761607155173
3.67
9.6471e-06
2.641e-08
d
yr
n .2687045203246403 1.9348e-09 deg/d
Q 2.718244591997768 1.3049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      745  
   data-arc span      7978 days (21.84 yr)  
   first obs. used      1999-10-02  
   last obs. used      2021-08-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54998  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:45:25  

Additional Information
 Earth MOID = 1.0635 au 
 Jupiter MOID = 2.52308 au 
 T_jup = 3.510 
[ 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 15.64   n/a MPCxxxxx  
diameter diameter 2.286 km 0.500 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.148   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74818 Iten           Discovered 1999 Oct. 7 by S. Sposetti at Gnosca.
Marco Iten (b. 1950) is a goldsmith and a skilled model train hobbyist, living in Gordola, Switzerland. He is also an amateur astronomer who observes asteroidal occultations and meteoroid impacts on the Moon.
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 2014-07-12Last Updated: 2014-08-13

Alternate Designations
 1999 TW10 = 2001 FM169 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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