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 ]  
17432 (1989 SR)
Classification: Main-belt Asteroid          SPK-ID: 2017432
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09400865220128442 5.2218e-08  
a 2.989022080400201 1.9785e-08 au
q 2.708028143221899 1.5351e-07 au
i 8.883612083474311 5.2442e-06 deg
node 239.8008161655968 3.1044e-05 deg
peri 127.4507327901983 3.9956e-05 deg
M 339.4244020302889 2.7324e-05 deg
tp 2459108.380282875513
(2020-Sep-15.88028288)
0.00014371 TDB
period 1887.522389014204
5.17
1.874e-05
5.131e-08
d
yr
n .1907262144784503 1.8936e-09 deg/d
Q 3.270016017578503 2.1644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1653  
   data-arc span      10981 days (30.06 yr)  
   first obs. used      1989-09-29  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50452  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:08:22  

Additional Information
 Earth MOID = 1.71923 au 
 Jupiter MOID = 2.21892 au 
 T_jup = 3.232 
[ 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 12.9   n/a MPO358799  
diameter diameter 8.341 km 1.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 4.089 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.211   0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

17432 (1989 SR)          Discovered 1989-Sep-29 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 SR = 1994 RH1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-05 14:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin