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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1470599057923453 4.1719e-08  
a 2.272379007177 8.2908e-09 AU
q 1.938203164457047 9.6104e-08 AU
i 6.504419484386498 5.4562e-06 deg
node 1.093914993454274 3.6697e-05 deg
peri 136.088992405778 4.0448e-05 deg
M 3.302479749101207 1.713e-05 deg
tp 2456989.022237287545
(2014-Nov-27.52223729)
5.9521e-05 JED
period 1251.179383494578
3.43
6.8474e-06
1.875e-08
d
yr
n .2877285261802431 1.5747e-09 deg/d
Q 2.606554849896953 9.51e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1394  
   data-arc span      32431 days (88.79 yr)  
   first obs. used      1926-04-05  
   last obs. used      2015-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47653  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 12:57:02  

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 (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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