This is the list of 20 extrasolar planets that were detected by timing –– 8 by pulsar timing and 12 by variable star timing, sorted by orbital periods. It works by detecting the changes in radio emissions from pulsars caused by the gravity of orbiting planets. The same general mechanism is used for variable stars, although usually in visible light rather than radio.
Planets The most massive planet detected by timing is HW Virginis b, which masses 19.2 MJ; the least massive planet is PSR B1257+12 b, which masses 0.00007 MJ or 0.022 M🜨. The longest period of any planets detected by timing is PSR B1620-26 b, which is 36525 days or 100 years; the shortest period is SDSS J1228+1040 b, which is 0.0857 days.
There are 9 members of multi-planet systems, including three orbiting around PSR B1257+12.
List +Yellow rows donate the members of multi-planet systems. Source: Planet Mass (MJ) Radius (RJ) Period (d) Semi-major axis (AU) Eccentricity Inclination (°) Year of discoveryXTE J1807-294 b14.50.02782920.00205752005PSR J0636+5129 b80.0670.184552016 SDSS J1228+1040 b 0.0009 0.0857 0.0034 2019 PSR J1719-1438 b ~ 1 ~ 0.4 0.090706293 0.004 < 0.06 2011PSR J2241-5236 b120.14567223950.00598902011 PSR J2322-2650 b 0.7949 0.322963997 0.0102 2017 Draugr 0.00007 25.262 0.19 0 ~50 1994Kepler-451d1.76430.202022 Poltergeist 0.013 66.5419 0.36 0.0186 53 1992 Phobetor 0.012 98.2114 0.46 0.0252 47 1992Kepler-47d0.059840.6281187.350.69920.024902013TIC 172900988 b2.840.9874188.7630.8670.0892021Kepler-451b1.864060.90.332015 PSR B0943+10 b 2.8 730 1.8 2014V391 Pegasi b3.211701.702007DW Lyncis b5.5814501.1482013 PSR B0943+10 c 2.6 1460 2.9 2014Kepler-451c1.6118002.10.292022 UZ Fornacis c 7.7 1900 2.8 0.05 2011 HU Aquarii b 5.4 2359 3.45 0.075 2009NN Serpentis d2.2828303.390.22009 NY Virginis b 2.3 2900 3.39 2011OGLE-GD-ECL-11388 b12.532503.6422016NSVS 14256825 d13.243317.73.120.122017FL Lyrae b944006.8352015V470 Camelopardalis b11.848474.712020 RR Caeli b 4.2 5479 5.3 0 2012 HU Aquarii c 5.9 5646 6.18 0.29 2011 NN Serpentis c 6.91 5660 5.38 0 2010KIC 10544976 b13.461366.560.292019OY Carinae b8.4863946.182014 HW Virginis b 39 1 9750 4.69 0.41 2008NY Virginis c4.499861.757.542011PSR B0329+54 b0.006210139.3410.260.2362017 DP Leonis b 6.05 10230 8.19 0.39 2009SW Sextantis b14133572019 HW Virginis c 40 2 17000 12.8 0.47 2008 PSR B1620-26 b 2.5 ~36525 ~23 1993
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