What telescope do I need to see Davida?

At magnitude 9.4, Davida is within reach of a 3-inch (80 mm) telescope from a moderate-Bortle site.

Davida — Asteroide in Leone

511 Davida

Asteroid Leone (Leo) Visibile

Rendered preview of Davida from the Nightbase orrery, lit from the current Sun direction with the terminator visible.

Mappa stellare Sistema Solare 3D + Lista + Piano

Proprietà

Magnitudine 9.4

Descrizione

Type: Asteroid

Distance: 3.164 AU

Orbital Period: 2055.3 days

Diameter: 311 km

Named for astronomer David Peck Todd; C-type, seventh-largest main-belt body. Outer-belt orbit keeps it dim despite great size.

Posizione e identificatori

RA 10h 28m 44.6s

Dec +27° 24' 12.0"

Costellazione Leone (Leo)

Catalogo Davida

Wikipedia

Proprietà fisiche

Diametro 311 km

Massa 3.8e19 kg

Albedo 0.05 (5% reflected)

Rotazione 5.1 hours

Dimensione angolare 0.2″ (current)

Proprietà orbitali

Semiasse maggiore 3.1636 AU (473.3 million km)

Eccentricità 0.1896

Inclinazione 15.95°

Periodo orbitale 5.63 years

Distanza 2.527 AU (21.0 light-min)

Elongazione 108.0° Good

Brightness Forecast (next 12 months)

Apparent magnitude as Earth–asteroid distance changes through the year. The peak marks the brightest moment in the window — usually around opposition, when the asteroid is closest and fully illuminated.

Computed from JPL orbital elements via m = H + 5·log₁₀(r·Δ). Phase-function correction is omitted, so curves trace distance variation only — accurate within a few tenths for main-belt asteroids; coarse for fast-moving NEOs near Earth.