| Mars Opposition Depiction | Mars Opposition of July 27, 2018 | | Opposition at: July 27, 2018 00:00:00 hrs UTC 0.386313 AU (36,000,000 miles) | Closest at: July 31, 2018 08:00:00 hrs UTC 0.384944 AU (36,000,000 miles) | | At this perihelic opposition, Mars is only 0.384,944 AU (35.784,47 million miles) away and spans 24.33", shining at -2.77 mV. | | All Mars Oppositions 2000 - 2049 AD | | | | | Perihelion September 16, 2018 | |
| 30d Elong | | | | | | | | | | | 30d Elong | 24 Oct 2017 +1.8 mV 3.82" | 16 Dec 2017 +1.6 mV 4.48" | 07 Feb 2018 +1.1 mV 5.81" | 01 Apr 2018 +0.3 mV 8.49" | 24 May 2018 -1.0 mV 14.13" | 16 Jul 2018 -2.6 mV 23.42" | 08 Sep 2018 -1.9 mV 19.63" | 31 Oct 2018 -0.6 mV 11.97" | 23 Dec 2018 +0.3 mV 7.88" | 14 Feb 2019 +1.0 mV 5.7" | 08 Apr 2019 +1.5 mV 4.51" | 31 May 2019 +1.8 mV 3.86" | | | | | | | | | | | | | 98% illum +25.6° NP 57° transit | 94% illum +19.1° NP 44° transit | 91% illum +6.6° NP 36° transit | 88% illum -6.5° SP 33° transit | 90% illum -14.7° SP 35° transit | 99% illum -12.5° SP 32° transit | 93% illum -10.7° SP 31° transit | 86% illum -20.3° SP 40° transit | 87% illum -26.5° SP 54° transit | 90% illum -21.8° SP 68° transit | 94% illum -8.8° SP 79° transit | 98% illum +6.6° NP 81°° transit |
Northern Summer November 20, 2017 | Northern Fall May 22, 2018 | Northern Winter October 16, 2018 | Northern Spring March 23, 2019 |
| | Date | Distance | Magnitude | Diameter | Phase Angle | Illum | Tilt | H-Long | Transit | | October 27, 2017 | 225,779,867 | +1.8 mV | 3.9" | 18° | 98% | +25.4° NP | 165° | 57° | November 6, 2017 | 220,395,729 | +1.8 mV | 4.0" | 20° | 97% | +24.7° NP | 169° | 54° | November 16, 2017 | 214,460,245 | +1.8 mV | 4.1" | 22° | 96% | +23.7° NP | 174° | 51° | November 26, 2017 | 207,993,119 | +1.7 mV | 4.2" | 24° | 96% | +22.3° NP | 178° | 49° | December 6, 2017 | 201,046,839 | +1.7 mV | 4.3" | 26° | 95% | +20.7° NP | 183° | 46° | December 16, 2017 | 193,656,785 | +1.6 mV | 4.5" | 28° | 94% | +18.9° NP | 187° | 44° | December 26, 2017 | 185,863,213 | +1.5 mV | 4.7" | 29° | 94% | +16.9° NP | 192° | 42° | January 5, 2018 | 177,734,193 | +1.4 mV | 4.9" | 31° | 93% | +14.6° NP | 196° | 40° | January 15, 2018 | 169,314,563 | +1.4 mV | 5.1" | 33° | 92% | +12.3° NP | 201° | 39° | January 25, 2018 | 160,660,123 | +1.3 mV | 5.4" | 34° | 91% | +9.8° NP | 205° | 37° | February 4, 2018 | 151,846,607 | +1.1 mV | 5.7" | 36° | 91% | +7.2° NP | 210° | 36° | February 14, 2018 | 142,921,400 | +1.0 mV | 6.1" | 37° | 90% | +4.7° NP | 215° | 35° | February 24, 2018 | 133,947,577 | +0.9 mV | 6.5" | 38° | 89% | +2.1° NP | 220° | 34° | March 6, 2018 | 124,998,701 | +0.7 mV | 7.0" | 39° | 89% | -0.5° SP | 225° | 33° | March 16, 2018 | 116,117,862 | +0.6 mV | 7.5" | 40° | 88% | -2.9° SP | 230° | 33° | March 26, 2018 | 107,368,431 | +0.4 mV | 8.1" | 40° | 88% | -5.3° SP | 235° | 33° | April 5, 2018 | 98,815,038 | +0.2 mV | 8.8" | 41° | 88% | -7.5° SP | 240° | 33° | April 15, 2018 | 90,495,108 | -0.0 mV | 9.6" | 41° | 88% | -9.5° SP | 245° | 33° | April 25, 2018 | 82,472,546 | -0.3 mV | 10.6" | 40° | 88% | -11.3° SP | 250° | 34° | May 5, 2018 | 74,806,070 | -0.5 mV | 11.6" | 40° | 88% | -12.8° SP | 256° | 34° | May 15, 2018 | 67,539,255 | -0.8 mV | 12.9" | 38° | 89% | -13.9° SP | 261° | 34° | May 25, 2018 | 60,753,375 | -1.0 mV | 14.3" | 36° | 90% | -14.8° SP | 267° | 35° | June 4, 2018 | 54,526,038 | -1.3 mV | 16.0" | 34° | 92% | -15.2° SP | 273° | 35° | June 14, 2018 | 48,946,320 | -1.7 mV | 17.8" | 30° | 93% | -15.2° SP | 278° | 35° | June 24, 2018 | 44,158,240 | -2.0 mV | 19.7" | 25° | 95% | -14.8° SP | 284° | 34° | July 4, 2018 | 40,304,921 | -2.3 mV | 21.6" | 19° | 97% | -13.9° SP | 290° | 33° | July 14, 2018 | 37,550,444 | -2.6 mV | 23.2" | 11° | 99% | -12.8° SP | 296° | 32° | July 24, 2018 | 36,055,950 | -2.8 mV | 24.2" | 5° | 100% | -11.5° SP | 302° | 31° | August 3, 2018 | 35,875,355 | -2.7 mV | 24.3" | 8° | 99% | -10.4° SP | 309° | 30° | August 13, 2018 | 36,977,445 | -2.6 mV | 23.5" | 16° | 98% | -9.7° SP | 315° | 30° | August 23, 2018 | 39,228,409 | -2.3 mV | 22.2" | 23° | 96% | -9.6° SP | 321° | 30° | September 2, 2018 | 42,425,711 | -2.1 mV | 20.5" | 29° | 94% | -10.2° SP | 328° | 31° | September 12, 2018 | 46,403,131 | -1.8 mV | 18.8" | 34° | 92% | -11.3° SP | 334° | 32° | September 22, 2018 | 51,005,498 | -1.5 mV | 17.1" | 37° | 90% | -12.9° SP | 340° | 33° | October 2, 2018 | 56,114,332 | -1.3 mV | 15.5" | 40° | 88% | -14.7° SP | 347° | 34° | October 12, 2018 | 61,668,939 | -1.0 mV | 14.1" | 42° | 87% | -16.7° SP | 353° | 36° | October 22, 2018 | 67,603,121 | -0.8 mV | 12.9" | 43° | 86% | -18.7° SP | 359° | 38° | November 1, 2018 | 73,876,449 | -0.6 mV | 11.8" | 44° | 86% | -20.6° SP | 5° | 40° | November 11, 2018 | 80,473,329 | -0.4 mV | 10.8" | 44° | 86% | -22.4° SP | 12° | 42° | November 21, 2018 | 87,352,095 | -0.2 mV | 10.0" | 44° | 86% | -23.9° SP | 18° | 45° | December 1, 2018 | 94,490,001 | -0.0 mV | 9.2" | 44° | 86% | -25.1° SP | 24° | 48° | December 11, 2018 | 101,870,684 | +0.2 mV | 8.6" | 43° | 86% | -26.0° SP | 30° | 50° | December 21, 2018 | 109,447,639 | +0.3 mV | 8.0" | 43° | 87% | -26.4° SP | 36° | 53° | December 31, 2018 | 117,194,463 | +0.5 mV | 7.4" | 42° | 87% | -26.5° SP | 41° | 57° | January 10, 2019 | 125,081,381 | +0.6 mV | 7.0" | 41° | 88% | -26.1° SP | 47° | 59° | January 20, 2019 | 133,052,465 | +0.7 mV | 6.5" | 39° | 89% | -25.3° SP | 53° | 62° | January 30, 2019 | 141,075,810 | +0.9 mV | 6.2" | 38° | 89% | -24.1° SP | 58° | 65° | February 9, 2019 | 149,110,016 | +1.0 mV | 5.8" | 37° | 90% | -22.6° SP | 64° | 67° | February 19, 2019 | 157,094,852 | +1.1 mV | 5.5" | 35° | 91% | -20.7° SP | 69° | 70° | March 1, 2019 | 164,997,884 | +1.2 mV | 5.3" | 34° | 92% | -18.6° SP | 74° | 72° | March 11, 2019 | 172,772,267 | +1.3 mV | 5.0" | 32° | 92% | -16.2° SP | 79° | 74° | March 21, 2019 | 180,360,484 | +1.4 mV | 4.8" | 31° | 93% | -13.6° SP | 84° | 76° | March 31, 2019 | 187,734,623 | +1.5 mV | 4.6" | 29° | 94% | -10.9° SP | 89° | 78° | April 10, 2019 | 194,847,756 | +1.5 mV | 4.5" | 27° | 94% | -8.1° SP | 94° | 79° | April 20, 2019 | 201,650,256 | +1.6 mV | 4.3" | 26° | 95% | -5.2° SP | 99° | 80° | April 30, 2019 | 208,121,013 | +1.6 mV | 4.2" | 24° | 96% | -2.3° SP | 104° | 81° | May 10, 2019 | 214,215,870 | +1.7 mV | 4.1" | 22° | 96% | +0.6° NP | 108° | 81° | May 20, 2019 | 219,895,680 | +1.7 mV | 4.0" | 20° | 97% | +3.5° NP | 113° | 81° | May 30, 2019 | 225,145,727 | +1.8 mV | 3.9" | 18° | 97% | +6.3° NP | 118° | 81° |
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