Dawn (spacecraft)
Ceres orbit

Dawn (spacecraft)

Section Title: Ceres orbit
Table Section Text: None

Orbit phase	No.	Dates	Altitude (km; mi)	Orbital period	Resolution (km/px)	Improvement over Hubble	Notes

RC3	1st	April 23, 2015 – May 9, 2015	13,500 km (8,400 mi)	15 days	1.3	24×

Survey	2nd	June 6, 2015 – June 30, 2015	4,400 km (2,700 mi)	3.1 days	0.41	73×

HAMO	3rd	August 17, 2015 – October 23, 2015	1,450 km (900 mi)	19 hours	0.14 (140 m)	217×

LAMO/XMO1	4th	December 16, 2015 – September 2, 2016	375 km (233 mi)	5.5 hours	0.035 (35 m)	850×

XMO2	5th	October 5, 2016 – November 4, 2016	1,480 km (920 mi)	19 hours	0.14 (140 m)	217×

XMO3	6th	December 5, 2016 – February 22, 2017	7,520–9,350 km (4,670–5,810 mi)	≈8 days	0.9 (est)	34× (est)

XMO4	7th	April 22, 2017 – June 22, 2017	13,830–52,800 km (8,590–32,810 mi)	≈29 days

XMO5	8th	June 30, 2017 – April 16, 2018	4,400–39,100 km (2,700–24,300 mi)	30 days

XMO6	9th	May 14, 2018 – May 31, 2018	440–4,700 km (270–2,920 mi)	37 hours

XMO7 (FINAL)	10th	June 6, 2018 – present	35–4,000 km (22–2,485 mi)	27.2 hours

Sentence(s)

Dawn descended to an altitude of 1,480 km (920 mi), where in August 2015 it began the HAMO phase.

final_sentence: Dawn descended to an altitude of 1,480 km (920 mi), where in August 2015 it began the HAMO phase.