Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
20073 Yumiko (1994 AN2)
Classification: Main-belt Asteroid          SPK-ID: 2020073
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06477488540711752 5.963e-08  
a 2.300734334334241 1.2616e-08 AU
q 2.15170453147552 1.3777e-07 AU
i 6.590559298073617 5.0385e-06 deg
node 305.4544598914927 5.585e-05 deg
peri 271.6120565220243 6.8089e-05 deg
M 266.4785817249418 4.0978e-05 deg
tp 2457331.636245918713
(2015-Nov-05.13624592)
0.00014535 JED
period 1274.671093846415
3.49
1.0485e-05
2.871e-08
d
yr
n .2824257973197409 2.323e-09 deg/d
Q 2.449764137192963 1.3433e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      834  
   data-arc span      7705 days (21.10 yr)  
   first obs. used      1993-11-21  
   last obs. used      2014-12-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56153  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:45:10  

Additional Information
 Earth MOID = 1.15773 AU 
 T_jup = 3.580 
[ 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 MPO267783  

20073 Yumiko           Discovered 1994 Jan. 9 by T. Kobayashi and H. Fujii at Oizumi.
Yumiko Fujii (b. 1968) is the wife of the second discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050407/MPCPages.arcLast Updated: 2005-04-15

[ show close-approach data ]
Alternate Designations
 1994 AN2 = 1998 FN111 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Jan-30 23:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin