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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 72 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1118341954239689 4.739e-08  
a 2.582283200044058 1.1746e-08 au
q 2.293495636010299 1.2271e-07 au
i 9.848305095633021 6.1977e-06 deg
node 17.48718321195373 2.6312e-05 deg
peri 139.8887447989707 3.7075e-05 deg
M 274.8218096563164 2.6753e-05 deg
tp 2457759.116394444136
(2017-Jan-05.61639444)
0.000113 JED
period 1515.668523585421
4.15
1.0341e-05
2.831e-08
d
yr
n .237518952460921 1.6206e-09 deg/d
Q 2.871070764077817 1.3059e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1323  
   data-arc span      31282 days (85.65 yr)  
   first obs. used      1930-04-22  
   last obs. used      2015-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52889  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:37:48  

Additional Information
 Earth MOID = 1.31058 au 
 Jupiter MOID = 2.12103 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 12.2 mag n/a MPO350808  
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 LCDB (Rev. 2015-December); Warner et al., 2009 Published Reference List:
[Di Martino, M.; Dotto, E.; Barucci, M.A.; Fulchignoni, M.; Rotundi, A. (1994) Icarus 109, 210-218.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
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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