| Joel Hastings Metcalf|
3.5372 AU (529.16 Gm)
7 November 1909
| 7 November 1909|
106.44 yr (38878 d)
1.8114 AU (270.98 Gm)
Joel Hastings Metcalf
| 230 Athamantis, 695 Bella, 528 Rezia, 167 Urda, 306 Unitas|694 Ekard Wikipedia
694 Ekard is a minor planet orbiting the Sun that was discovered by American astronomer Joel Hastings Metcalf on November 7, 1909.
Photometric observations of this asteroid gave a light curve with a period of 5.925 hours and a brightness variation of 0.50 in magnitude. Measurements of the thermal inertia of 694 Ekard give a value of around 100–140 J m−2 K−1 s−1/2, compared to 50 for lunar regolith and 400 for coarse sand in an atmosphere.
13-cm radar observations of this asteroid from the Arecibo Observatory between 1980 and 1985 were used to produce a diameter estimate of 101 km.