The king is back and there can only be one

Zodiac in degrees 0.00 Placidus Orb:0
Sun Aquarius 21.46 Ascendant Taurus 23.33
Moon Virgo 3.28 II Gemini 19.57
Mercury Capricorn 28.18 III Cancer 12.31
Venus Capricorn 21.02 IV Leo 5.53
Mars Capricorn 8.49 V Virgo 4.10
Jupiter Cancer 1.08 R VI Libra 11.04
Saturn Capricorn 20.18 VII Scorpio 23.33
Uranus Capricorn 8.01 VIII Sagittarius 19.57
Neptune Capricorn 13.30 IX Capricorn 12.31
Pluto Scorpio 17.47 Midheaven Aquarius 5.53
Lilith Scorpio 10.59 XI Pisces 4.10
Asc node Aquarius 16.31 XII Aries 11.04
What does that R mean after the Jupiter Cancer?