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 ]  
134344 (1989 SG9)
Classification: Main-belt Asteroid          SPK-ID: 2134344
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2973040852931855 4.3861e-08  
a 2.612472392371592 1.7207e-08 au
q 1.835773677403856 1.2038e-07 au
i 4.663532460306416 4.6935e-06 deg
node 189.0029457300527 5.2419e-05 deg
peri 163.1500373976897 5.343e-05 deg
M 150.3253025882704 1.5324e-05 deg
tp 2458556.470772113971
(2019-Mar-13.97077211)
6.0179e-05 TDB
period 1542.325330779419
4.22
1.5238e-05
4.172e-08
d
yr
n .2334137894357689 2.3061e-09 deg/d
Q 3.389171107339328 2.2323e-08 au
  Orbit Determination Parameters
   # obs. used (total)      676  
   data-arc span      11528 days (31.56 yr)  
   first obs. used      1989-09-24  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54515  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:19:41  

Additional Information
 Earth MOID = .829422 au 
 Jupiter MOID = 2.06322 au 
 T_jup = 3.340 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO449758  
diameter diameter 4.290 km 0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134344 (1989 SG9)          Discovered 1989-Sep-24 by Debehogne, H. at La Silla
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 1989 SG9 = 2001 KM32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-11 04:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin