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1126 Otero (1929 AC)
Classification: Main-belt Asteroid          SPK-ID: 2001126
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1469523025748761 5.6973e-08  
a 2.271853652878792 8.1709e-09 AU
q 1.93799952747511 1.3098e-07 AU
i 6.503977357006892 6.9837e-06 deg
node 1.107237516891832 4.0645e-05 deg
peri 136.1837001585207 4.5493e-05 deg
M 305.657780431553 2.1262e-05 deg
tp 2456989.300798463765
(2014-Nov-27.80079846)
7.4188e-05 JED
period 1250.745515857065
3.42
6.7476e-06
1.847e-08
d
yr
n .2878283355294001 1.5528e-09 deg/d
Q 2.605707778282473 9.3717e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1322  
   data-arc span      32070 days (87.80 yr)  
   first obs. used      1926-04-05  
   last obs. used      2014-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50736  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 17:50:53  

Additional Information
 Earth MOID = .957012 AU 
 T_jup = 3.589 
[ 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 11.8 mag n/a MPO267711  
diameter diameter 11.96 km 1.0 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
rotation period rot_per 3.64808 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Stephens, R.D. (2008) Minor Planet Bul. 35, 126-127.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2008) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.1786   0.033 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
SMASSII spectral type spec_B A   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1126 Otero (1929 AC)          Discovered 1929-Jan-11 by Reinmuth, K. at Heidelberg (024)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1929 AC = 1926 GD = 1948 RN1 = 1949 YO 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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