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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2765377337883373 9.7237e-08  
a 2.392632134598067 2.2271e-08 AU
q 1.730979066307165 2.3818e-07 AU
i 22.16107259543095 1.1503e-05 deg
node 240.1298794232231 2.2867e-05 deg
peri .9454051020395918 3.0361e-05 deg
M 223.0181009680051 2.787e-05 deg
tp 2457514.866890757986
(2016-May-06.36689076)
0.00010906 JED
period 1351.799631786565
3.70
1.8874e-05
5.167e-08
d
yr
n .2663116570938971 3.7182e-09 deg/d
Q 3.054285202888968 2.8429e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      14554 days (39.85 yr)  
   first obs. used      1975-03-12  
   last obs. used      2015-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55048  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:35:30  

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 14.5 mag n/a MPO319205  

9583 (1990 HL1)          Discovered 1990-Apr-28 by McNaught, R. H. at Siding Spring
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 2015-Aug-29 18:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin