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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1470599429069703 3.9995e-08  
a 2.272378997250322 7.6242e-09 AU
q 1.938203071651691 9.139e-08 AU
i 6.504419183775769 5.43e-06 deg
node 1.093911001253682 3.486e-05 deg
peri 136.0889880894055 3.8718e-05 deg
M 3.302496638458611 1.6201e-05 deg
tp 2456989.022178663822
(2014-Nov-27.52217866)
5.6302e-05 JED
period 1251.179375296085
3.43
6.2969e-06
1.724e-08
d
yr
n .2877285280656164 1.4481e-09 deg/d
Q 2.606554922848953 8.7455e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1476  
   data-arc span      32499 days (88.98 yr)  
   first obs. used      1926-04-05  
   last obs. used      2015-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47168  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:03:42  

Additional Information
 Earth MOID = .957548 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 LCDB (Rev. 2015-Feb); Warner et al., 2009 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
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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