523 Ada

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523 Ada
Discovery
Discovered by Raymond Smith Dugan
Discovery site Heidelberg
Discovery date27 January 1904
Designations
(523) Ada
1904 ND
Orbital characteristics [1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 113.46 yr (41442 d)
Aphelion 3.4869  AU (521.63  Gm)
Perihelion 2.4517 AU (366.77 Gm)
2.9693 AU (444.20 Gm)
Eccentricity 0.17432
5.12 yr (1868.9 d)
31.6678°
0° 11m 33.468s / day
Inclination 4.2955°
260.837°
189.461°
Physical characteristics
Mean radius
15.945±0.75 km
10.03 ± 0.01 hr [2]
10.03  h (0.418  d) [1]
0.2512±0.026 [1]
9.9 [1]

    Ada (minor planet designation: 523 Ada) is a minor planet orbiting the Sun. It was discovered January 29, 1904, by American astronomer Raymond S. Dugan at Heidelberg, Germany and was named after his friend Ada Helme. CCD images collected during the fall of 2004 at Oakley Observatory in Terre Haute, Indiana, were used to generate a lightcurve for the object, showing a rotation period of 10.03 ± 0.01 hours. [2]

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    References

    1. 1 2 3 4 "JPL Small-Body Database Browser: 523 Ada (1904 ND)". Jet Propulsion Laboratory . Retrieved 8 May 2016.
    2. 1 2 Lecrone, Crystal; Mills, George; Ditteon, Richard (September 2005), "Lightcurves and periods for asteroids 463 Lola, 523 Ada, 544 Jetta, 642 Clara, 883 Matterania, 6475 Refugium", The Minor Planet Bulletin, 32 (3): 62–64, Bibcode:2005MPBu...32...62L.