Dates and times of aphelion and perihelion of Earth:
2009-Jan-04 15-hour Earth at perihelion 0.983273 AU (91,420,479 miles or 147,095,551 km)
2009-Jul-04 02-hour Earth at aphelion 1.016666 AU (94,525,254 miles or 152,091,134 km)

Dates and times of aphelion for solar system objects besides Earth:
2008-Sep-03 16-hour Mercury at aphelion 0.466700572166 AU (43,391,803 miles or 69,817,411 km)
2008-Nov-01 07-hour Venus at aphelion 0.728213799260 AU (67,706,173 miles or 108,939,233 km)
2008-Nov-30 15-hour Mercury at aphelion 0.466700509899 AU (43,391,797 miles or 69,817,402 km)
2009-Feb-26 15-hour Mercury at aphelion 0.46670 AU (43,391,716 miles or 69,817,271 km)
2009-Feb-27 22-hour Uranus at aphelion 20.09883 AU (1,868,702,692 miles or 3,006,742,632 km)
2009-Apr-08 09-hour Vesta at aphelion 2.57154 AU (239,090,892 miles or 384,697,245 km)
2009-May-25 14-hour Mercury at aphelion 0.46670 AU (43,391,618 miles or 69,817,113 km)
2009-Jun-13 20-hour Venus at aphelion 0.72825 AU (67,709,316 miles or 108,944,290 km)
2009-Aug-21 13-hour Mercury at aphelion 0.46670 AU (43,391,362 miles or 69,816,702 km)
2009-Nov-17 13-hour Mercury at aphelion 0.46670 AU (43,391,364 miles or 69,816,706 km)

Dates and times of perihelion for solar system objects besides Earth:
2008-Oct-17 16-hour Mercury at perihelion 0.307494710264 AU (28,589,530 miles or 46,000,553 km)
2009-Jan-08 15-hour Comet P/Christensen (2003 K2) at perihelion 0.573 AU (53,300,000 miles or 85,700,000 km)
2009-Jan-10 15-hour Comet C/2007 N3 (Lulin) at perihelion 1.212 AU (112,700,000 miles or 181,300,000 km)
2009-Jan-13 15-hour Mercury at perihelion 0.30749 AU (28,589,498 miles or 46,000,502 km)
2009-Feb-10 02-hour Ceres at perihelion 2.54692 AU (236,801,207 miles or 381,013,143 km)
2009-Feb-21 14-hour Venus at perihelion 0.71844 AU (66,797,061 miles or 107,476,471 km)
2009-Apr-11 14-hour Mercury at perihelion 0.30750 AU (28,589,755 miles or 46,000,916 km)
2009-Apr-21 10-hour Mars at perihelion 1.38133 AU (128,430,551 miles or 206,644,757 km)
2009-Apr-29 00-hour Pallas at perihelion 2.13253 AU (198,273,693 miles or 319,022,373 km)
2009-May-25 10-hour Comet 22P/Kopff at perihelion 1.578 AU (146,700,000 miles or 236,100,000 km)
2009-Jul-08 14-hour Mercury at perihelion 0.30750 AU (28,590,234 miles or 46,001,686 km)
2009-Oct-04 05-hour Venus at perihelion 0.71840 AU (66,794,112 miles or 107,471,726 km)
2009-Oct-04 13-hour Mercury at perihelion 0.30750 AU (28,590,278 miles or 46,001,757 km)
2009-Oct-12 11-hour Comet 88P/Howell at perihelion 1.363 AU (126,700,000 miles or 203,900,000 km)
2009-Dec-31 12-hour Mercury at perihelion 0.30750 AU (28,590,036 miles or 46,001,367 km)