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 ]  
13221 Nao (1997 OY)
Classification: Main-belt Asteroid          SPK-ID: 2013221
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .143806553469206 6.7106e-08  
a 2.735176365010858 2.3213e-08 au
q 2.341840078828216 1.8327e-07 au
i 8.204859535871236 7.2483e-06 deg
node 318.6420097436434 3.833e-05 deg
peri 148.5367012706599 4.296e-05 deg
M 279.1677525471482 2.1822e-05 deg
tp 2457971.486907054348
(2017-Aug-05.98690705)
0.00010247 JED
period 1652.252544598195
4.52
2.1033e-05
5.759e-08
d
yr
n .2178843671186762 2.7737e-09 deg/d
Q 3.128512651193502 2.6551e-08 au
  Orbit Determination Parameters
   # obs. used (total)      756  
   data-arc span      10882 days (29.79 yr)  
   first obs. used      1986-01-07  
   last obs. used      2015-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51543  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:53:52  

Additional Information
 Earth MOID = 1.36132 au 
 Jupiter MOID = 1.99844 au 
 T_jup = 3.323 
[ 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 13.4 mag n/a MPO350908  

13221 Nao           Discovered 1997 July 24 by A. Nakamura at Kuma Kogen.
Naomi Nakamura (b. 1965), whose nickname is Nao, is the wife of the discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000523/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1997 OY = 1986 AP 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-05 23:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin