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11441 Anadiego (1975 YD)
Classification: Main-belt Asteroid          SPK-ID: 2011441
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2578630534128585 5.4352e-08  
a 2.56132943341543 1.8314e-08 AU
q 1.9008572049187 1.3364e-07 AU
i 12.28511612987634 6.0557e-06 deg
node 217.9819325504511 2.6319e-05 deg
peri 205.3015666361725 3.004e-05 deg
M 213.1007683411239 2.0125e-05 deg
tp 2457611.461171972097
(2016-Aug-10.96117197)
8.8223e-05 JED
period 1497.257810174972
4.10
1.6058e-05
4.396e-08
d
yr
n .2404395539322182 2.5787e-09 deg/d
Q 3.221801661912159 2.3036e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1079  
   data-arc span      14059 days (38.49 yr)  
   first obs. used      1975-12-31  
   last obs. used      2014-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47726  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:18:44  

Additional Information
 Earth MOID = .919857 AU 
 T_jup = 3.356 
[ 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 12.8 mag n/a PDS3 (MPC 35817)  
rotation period rot_per 3.179 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Hill, K. (2014) Minor Planet Bul. 41, 2-3.]

11441 Anadiego           Discovered 1975 Dec. 31 by M. R. Cesco at El Leoncito.
Ana Teresa Diego (1954-1976?) was an outstanding undergraduate student at La Plata Astronomical Observatory in the 1970s. She was also a person with a strong social commitment who gave her life for the defense of freedom.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111210/MPCPages.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 1975 YD = 1989 GA2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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