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
JPL Small-Body Database Browser
Search: [ help ]  
18588 (1997 YO9)
Classification: Main-belt Asteroid          SPK-ID: 2018588
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08838989022205268 3.9092e-08  
a 2.439203701173494 8.4236e-09 au
q 2.223602753797544 9.7297e-08 au
i 6.433528946489679 4.4264e-06 deg
node 177.6591957679071 2.9487e-05 deg
peri 28.16198065443374 3.5716e-05 deg
M 286.8354862382015 2.1534e-05 deg
tp 2459483.292913519060
(2021-Sep-25.79291352)
8.3813e-05 TDB
period 1391.459378768089
3.81
7.208e-06
1.973e-08
d
yr
n .2587211710906871 1.3402e-09 deg/d
Q 2.654804648549444 9.1682e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1736  
   data-arc span      9386 days (25.70 yr)  
   first obs. used      1995-07-03  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50212  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:32:26  

Additional Information
 Earth MOID = 1.2215 au 
 Jupiter MOID = 2.3028 au 
 T_jup = 3.489 
[ 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 14.4   n/a MPO452434  
diameter diameter 2.513 km 0.382 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.369   0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18588 (1997 YO9)          Discovered 1997-Dec-25 by JPL/GEODSS NEAT at Haleakala
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 YO9 = 1996 RC3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-19 15:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin