| Mars' Disk Size | |||
| Example Year |
Diameter in arcseconds |
Area in arcseconds2 |
Percent of Maximum |
| 2027 | 13 | 132.732 | 27.04% |
| 2010 | 14 | 153.938 | 31.36% |
| 2014 | 15 | 176.715 | 36.00% |
| 1999 | 16 | 201.062 | 40.96% |
| 2022 | 17 | 266.980 | 46.24% |
| 1990 | 18 | 254.469 | 51.84% |
| 1969 | 19 | 283.529 | 57.76% |
| 2001 | 20 | 314.159 | 64.00% |
| 1973 | 21 | 346.361 | 70.56% |
| 2020 | 22 | 380.133 | 77.44% |
| 1986 | 23 | 415.476 | 84.64% |
| 2018 | 24 | 452.389 | 92.16% |
| 2003 | 25 | 490.874 | 100.00% |