Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441326030520886 4.8215e-08  
a 2.37771121086915 1.1282e-08 au
q 2.035005504740446 1.1165e-07 au
i 8.793479532134951 5.5148e-06 deg
node 45.10629380917137 3.4004e-05 deg
peri 41.55064311066222 4.0972e-05 deg
M 76.86482497627378 2.1154e-05 deg
tp 2458314.568352291183
(2018-Jul-15.06835229)
7.8234e-05 TDB
period 1339.17423485902
3.67
9.5316e-06
2.61e-08
d
yr
n .2688223762294071 1.9133e-09 deg/d
Q 2.720416916997855 1.2908e-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 = 1.05964 au 
 Jupiter MOID = 2.52473 au 
 T_jup = 3.511 
[ 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 15.5   n/a MPO432301  
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

[ show close-approach data ]
Alternate Designations
 1999 TW10 = 2001 FM169 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-12 14:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin