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 ]  
9583 (1990 HL1)
Classification: Main-belt Asteroid          SPK-ID: 2009583
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .276537771103288 1.0645e-07  
a 2.392632135433806 2.2297e-08 AU
q 1.730978977630841 2.5947e-07 AU
i 22.16107276647276 1.3156e-05 deg
node 240.1298795470636 2.6938e-05 deg
peri .945395745364657 3.4558e-05 deg
M 223.0181079815163 2.9039e-05 deg
tp 2457514.866864691759
(2016-May-06.36686469)
0.00011319 JED
period 1351.799632494834
3.70
1.8896e-05
5.173e-08
d
yr
n .2663116569543643 3.7226e-09 deg/d
Q 3.054285293236771 2.8463e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      431  
   data-arc span      14216 days (38.92 yr)  
   first obs. used      1975-03-12  
   last obs. used      2014-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57459  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:34:58  

Additional Information
 Earth MOID = .72022 AU 
 T_jup = 3.382 
[ 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 14.4 mag n/a MPO284228  

9583 (1990 HL1)          Discovered 1990-Apr-28 by McNaught, R. H. at Siding Spring (413)
Reference: 19981110/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Nov-01 06:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin