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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1434040884072507 4.8141e-08  
a 2.379404247032392 1.1195e-08 au
q 2.038187950034371 1.1149e-07 au
i 8.787972339095507 5.5115e-06 deg
node 45.08994978502265 3.403e-05 deg
peri 41.73510141195251 4.1086e-05 deg
M 184.1821343154501 2.152e-05 deg
tp 2459655.228548979252
(2022-Mar-16.72854898)
8.1586e-05 TDB
period 1340.604816892867
3.67
9.4611e-06
2.59e-08
d
yr
n .2685355113331426 1.8951e-09 deg/d
Q 2.720620544030413 1.28e-08 au
  Orbit Determination Parameters
   # obs. used (total)      719  
   data-arc span      7148 days (19.57 yr)  
   first obs. used      1999-10-02  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5514  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:30:38  

Additional Information
 Earth MOID = 1.06297 au 
 Jupiter MOID = 2.52249 au 
 T_jup = 3.510 
[ 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 15.6   n/a MPO474634  
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2145-Jan-19 04:19 00:07 Amphi 0.0181656273794066 0.0181475958430708 0.0181836618318884 2.26948342584301 2.26948328640036 2504523.680121935 6.95383086778893 968.437720320118 38.731894333428 -22.0236998355676 26394.4166359554 T 13 CATAB v2.0e-lin.ifort 2019-Jul-13 06:30:43 2019-Jul-13 06:30

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