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1126 Otero (1929 AC)
Classification: Main-belt Asteroid          SPK-ID: 2001126
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1475247910045696 3.8194e-08  
a 2.271451013771027 6.0187e-09 au
q 1.936355677687339 8.7203e-08 au
i 6.504491974568328 4.2923e-06 deg
node .9962294386828829 3.191e-05 deg
peri 136.3680002733747 3.4352e-05 deg
M 218.5998550802732 1.3019e-05 deg
tp 2459491.634953566074
(2021-Oct-04.13495357)
4.5836e-05 TDB
period 1250.41302739938
3.42
4.9699e-06
1.361e-08
d
yr
n .2879048699202463 1.1443e-09 deg/d
Q 2.606546349854716 6.9067e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2473  
   data-arc span      34388 days (94.15 yr)  
   first obs. used      1926-04-05  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41904  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:26:24  

Additional Information
 Earth MOID = .955195 au 
 Jupiter MOID = 2.41796 au 
 T_jup = 3.589 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.9   n/a MPO384756  
diameter diameter 10.974 km 0.892 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 3.64808 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2008) http://www.asu.cas.cz/~ppravec/neo.htm]
[Stephens, R.D. (2008) Minor Planet Bull. 35, 126-127.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
geometric albedo albedo 0.432   0.251 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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