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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 67 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1116528371281785 6.1604e-08  
a 2.583025989740316 1.4852e-08 AU
q 2.294623809609989 1.5472e-07 AU
i 9.846884705106627 7.0161e-06 deg
node 17.48853849300768 3.2609e-05 deg
peri 139.7540163932034 4.2397e-05 deg
M 179.9770656455022 2.7259e-05 deg
tp 2456242.435329609118
(2012-Nov-10.93532961)
0.00011435 JED
period 1516.322540107697
4.15
1.3078e-05
3.581e-08
d
yr
n .2374165063683819 2.0476e-09 deg/d
Q 2.871428169870644 1.651e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1010  
   data-arc span      30840 days (84.44 yr)  
   first obs. used      1930-04-22  
   last obs. used      2014-09-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54601  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 13:49:49  

Additional Information
 Earth MOID = 1.31254 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. 2014-Mar-01) 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 ]
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