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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
59990 (1999 SA17)
Classification: Main-belt Asteroid          SPK-ID: 2059990
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1883493311611865 4.9148e-08  
a 3.078815094177649 2.4098e-08 au
q 2.498922330420323 1.6079e-07 au
i 25.88660880441699 7.6258e-06 deg
node 193.6341271081217 1.136e-05 deg
peri 93.14393489472808 2.2699e-05 deg
M 335.8705821341694 1.7707e-05 deg
tp 2459132.756851945377
(2020-Oct-10.25685195)
9.7e-05 TDB
period 1973.212406742698
5.40
2.3167e-05
6.343e-08
d
yr
n .1824436126439495 2.142e-09 deg/d
Q 3.658707857934975 2.8637e-08 au
  Orbit Determination Parameters
   # obs. used (total)      569  
   data-arc span      9332 days (25.55 yr)  
   first obs. used      1994-10-09  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58109  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:51:49  

Additional Information
 Earth MOID = 1.6433 au 
 Jupiter MOID = 1.89427 au 
 T_jup = 3.049 
[ 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 14.3   n/a MPO257257  
diameter diameter 7.257 km 0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59990 (1999 SA17)          Discovered 1999-Sep-30 by CSS at Catalina
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 SA17 = 1998 HU115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-02 22:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin