Technical facts about this news release:
| About the Object |
| Object Name: |
Uranus; Neptune |
| Object Description: |
Planets |
| Distance: |
The semi-major axis of Uranus's orbit about the sun is 19.18 Astronomical Units (A.U.) or roughly 2.9 billion km. The semi-major axis of Neptune's orbit about the Sun is 30.06 Astronomical Units (A.U.) or roughly 4.5 billion km. |
| Dimensions: |
Uranus (without rings) has a diameter of roughly 32,000 miles (51,000 km) at the equator.Neptune has a diameter of roughly 30,800 miles (49,600 km) at the equator. |
|
| About the Data |
| Object: |
Uranus |
Uranus |
Neptune |
| Instrument: |
ACS/HRC |
STIS/CCD |
STIS/CCD |
| HST Programs: |
9725: E. Karkoschka and M. Tomasko (U. AZ) |
9035: E. Karkoschka (U. AZ), M. Lemmon (Texas A&M), M. Tomasko
(U. AZ) |
9330: E. Karkoschka (U. AZ), M. Lemmon (Texas A&M), M. Tomasko
(U. AZ) |
| Exposure Date(s): |
August 30, 2003 |
August 19, 2002 |
August 3, 2003 |
| Filters: |
F435W, F550M, F658N, F660N, F775W, F814W, F850LP, and F892N |
G430L and G750L |
G430L, G750L, CLEAR, and F28X50LP |
| Note: |
Uranus images within this press release were taken with
ACS/HRC. They were color calibrated using STIS/CCD data of Uranus.
Neptune images within this press release were taken with STIS/CCD. |
|
| About the Image |
| Image Credit: |
NASA and E. Karkoschka (University of Arizona) |
| Release Date: |
January 22, 2004 |
| Orientation: |
 |
|
