Dates and times of aphelion and perihelion of Earth:
2010-Jan-03 00-hour Earth at perihelion 0.983290 AU (91,422,023 miles or 147,098,036 km)
2010-Jul-06 11-hour Earth at aphelion 1.016702 AU (94,528,559 miles or 152,096,452 km)

Dates and times of aphelion for solar system objects besides Earth:
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)
2010-Jan-24 13-hour Venus at aphelion 0.72826 AU (67,710,194 miles or 108,945,703 km)
2010-Feb-13 12-hour Mercury at aphelion 0.46670 AU (43,391,363 miles or 69,816,703 km)
2010-Mar-30 23-hour Mars at aphelion 1.66594 AU (154,891,674 miles or 249,220,703 km)
2010-May-12 11-hour Mercury at aphelion 0.46670 AU (43,391,391 miles or 69,816,748 km)
2010-Aug-08 10-hour Mercury at aphelion 0.46670 AU (43,391,413 miles or 69,816,784 km)
2010-Sep-06 06-hour Venus at aphelion 0.72825 AU (67,709,469 miles or 108,944,537 km)
2010-Nov-04 10-hour Mercury at aphelion 0.46669 AU (43,391,273 miles or 69,816,558 km)

Dates and times of perihelion for solar system objects besides Earth:
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-Dec-31 12-hour Mercury at perihelion 0.30750 AU (28,590,036 miles or 46,001,367 km)
2010-Mar-02 21-hour Juno at perihelion 1.98923 AU (184,950,236 miles or 297,584,931 km)
2010-Mar-29 11-hour Mercury at perihelion 0.30750 AU (28,590,097 miles or 46,001,466 km)
2010-May-16 23-hour Venus at perihelion 0.71840 AU (66,794,170 miles or 107,471,819 km)
2010-Jun-25 11-hour Mercury at perihelion 0.30750 AU (28,590,138 miles or 46,001,533 km)
2010-Sep-21 10-hour Mercury at perihelion 0.30750 AU (28,590,438 miles or 46,002,014 km)
2010-Dec-18 09-hour Mercury at perihelion 0.30750 AU (28,590,244 miles or 46,001,702 km)
2010-Dec-27 17-hour Venus at perihelion 0.71845 AU (66,798,288 miles or 107,478,445 km)