Venus, Earth, Mars frame = OrbitPlotter(num_points=300) # Florence close approach frame.plot(Orbit.from_body_ephem(Earth, epoch=Time("2017-09-01 12:05:50", scale="td b")), label=Earth) for planet in Mercury, Venus, Mars: frame.plot(Orbit.from_body_ephem(planet), label=planet) frame.plot(halley_1835, label='Halley', color='#666666') frame.plot(florence, label='Florence', color='#000000') plt.title("Inner solar system + Florence + Halley") plt.xlim(-.3e9, .3e9) plt.ylim(-.3e9, .3e9) Out[13]: (-300000000.0, 300000000.0)