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 ]  
1226 Golia (1930 HL)
Classification: Main-belt Asteroid          SPK-ID: 2001226
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 62 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1115623840500018 6.6361e-08  
a 2.583170573236641 1.4459e-08 AU
q 2.294985905678552 1.7064e-07 AU
i 9.846269943406133 8.792e-06 deg
node 17.49491213653348 3.7035e-05 deg
peri 139.7178461177332 5.2096e-05 deg
M 132.5365753565372 3.5874e-05 deg
tp 2456242.208137587022
(2012-Nov-10.70813759)
0.00015148 JED
period 1516.449854902326
4.15
1.2732e-05
3.486e-08
d
yr
n .237396573870349 1.9932e-09 deg/d
Q 2.871355240794731 1.6072e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      30342 days (83.07 yr)  
   first obs. used      1930-04-22  
   last obs. used      2013-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5424  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 13:41:13  

Additional Information
 Earth MOID = 1.31243 AU 
 T_jup = 3.394 
[ 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 12.1 mag n/a MPO263355  
diameter diameter 16.39 km 1.5 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
rotation period rot_per 4.097 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Di Martino, M.; Dotto, E.; Barucci, M.A.; Fulchignoni, M.; Rotundi, A. (1994) Icarus 109, 210-218.]
geometric albedo albedo 0.2388   0.052 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3

1226 Golia (1930 HL)          Discovered 1930-Apr-22 by Van Gent, H. at Johannesburg (LS)
Some authorities give Apr. 23.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1930 HL = 1957 WN 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-23 20:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin