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May 2001 |
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| Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sep. | Oct. | Nov. | Dec. |
| 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 |
| Day | Moonage | Phenomenon (JST) | |
|---|---|---|---|
| 1 | Tue | 7.5 | R-Vul is at maximum brightness (Mag:Period 137 days,7.0-14.3) |
| 02:08 First quarter moon | |||
| 2 | Wed | 8.5 | Hachijyu Hachi ya |
| 13h Moon is nearest to the Earth(0.961,369,417km,Dia.:32'21") | |||
| 3 | Thu | 9.5 | National Holiday in Japan (Kenpo Kinenbi) |
| 00:58 Comet 24P/Schaumasse passses perihelion(Period 8.2 years) | |||
| 4 | Fri | 10.5 | National holiday in Japan |
| 09:13 Neptune is most at west(Mag:7.9,Dia.:2".2) | |||
| 5 | Sat | 11.5 | National holiday in Japan (Kodomo no hi) |
| 02:49 Venus is brightest(Mag:-4.5,Dia.:38".4) | |||
| 09:54 Moon passes equator, to southern hemisphere | |||
| 19:45 Longitude of the sun reaches 45 degrees | |||
| 20h Eta-Aqr meteor shower is at peak | |||
| 22:34 Delta-Lib is at minimum brightness | |||
| 23:13 Asteroid Juno is at conjunction | |||
| 6 | Sun | 12.5 | |
| 7 | Moon | 13.5 | 12:03 Saturn is closest to Mercury (03o32'.7) |
| 22:53 Full Moon | |||
| 8 | Tue | 14.5 | 01:28 Mercury passes 03o40'.5 north of Saturn |
| 9 | Wed | 15.5 | 09:11 61P/Shajn Comet Schaldach passses perihelion(Period 7.5 years) |
| 10 | Thu | 16.5 | 02:43 Moon passes 08o53'.1 south of Pluto |
| 11 | Fri | 17.5 | 04:18 Moon passes 01o56'.4 north of Mars |
| 05h Heliocentric latitude of Mercury is most at north | |||
| 11:15 Neptune is at apogee(R.A.:20h44.7m) | |||
| 12 | Sat | 18.5 | 00:22 Mars is at stationary(R.A.:17h55.8m) |
| 05:23 Moon is at south most(Decl.:-23o19'.9) | |||
| 21:42 Delta-Lib is at minimum brightness | |||
| 13 | Sun | 19.5 | 03:10 Moon is closest to Asteroid Ceres (02o00'.0) |
| 14 | Moon | 20.5 | T-UMa is at maximum brightness (Mag:Period 257 days,6.6-13.5) |
| 09:29 Moon passes 02o54'.5 south of Neptune | |||
| 15 | Tue | 21.5 | 10h Moon is farthest from the Earth(1.051,404,139km,Dia.:29'34") |
| 17:13 Moon passes 03o13'.5 south of Uranus | |||
| 19:11 Last quarter moon | |||
| 16 | Wed | 22.5 | T-Hya is at maximum brightness (Mag:Period 299 days,6.7-13.5) |
| 20:30 Jupiter is closest to Mercury (02o46'.5) | |||
| 17 | Thu | 23.5 | 02:07 Mercury passes 02o47'.3 north of Jupiter |
| 18 | Fri | 24.5 | |
| 19 | Sat | 25.5 | 16:48 Moon passes equator, to northern hemisphere |
| 18:07 Moon passes 04o27'.9 south of Venus | |||
| 21:16 Delta-Lib is at minimum brightness | |||
| 20 | Sun | 26.5 | 21:14 Uranus is most at west(Mag:5.8,Dia.:3".5) |
| 21 | Mon | 27.5 | 05:33 Moon is closest to Asteroid Vesta (00o35'.2)(Occultation of Vesta) |
| 08:44 Longitude of the sun reaches 60 degrees | |||
| 22 | Tue | 28.5 | 13:33 Mercury is at eastern greatest elongation(22o26'.7,Mag:0.5,Dia.:8".1) |
| 19:28 Moon is closest to Asteroid Juno (03o48'.2) | |||
| 23 | Wed | 0.0 | 11:46 New Moon |
| 14:55 Moon passes 01o08'.4 south of Saturn(Occultation of Saturn)(Antarctic) | |||
| 24 | Thu | 1.0 | 16:12 Moon passes 01o16'.1 south of Jupiter |
| 25 | Fri | 2.0 | 04:27 Moon passes 02o50'.7 south of Mercury |
| 26 | Sat | 3.0 | 06:37 Saturn is at conjunction(01o43'.4,Mag:0.1,Dia.:16".4,Ring:37".1 south of Sun) |
| 08:03 Moon is at north most(Decl.:+23o23'.3) | |||
| 20:51 Delta-Lib is at minimum brightness | |||
| 27 | Sun | 4.0 | 16h Moon is nearest to the Earth(0.957,368,026km,Dia.:32'28") |
| 28 | Moon | 5.0 | T-Her is at maximum brightness (Mag:Period 165 days,6.8-13.7) |
| 29 | Tue | 6.0 | |
| 30 | Wed | 7.0 | 07:00 Uranus is at apogee(R.A.:21h49.5m) |
| 07:09 First quarter moon | |||
| 31 | Thu | 8.0 | |
