🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.68 AU - 0.9 AU

Year: 247 Days

Day: 34.8 Hours

Environment

Temp: 189 °C

Axial Tilt: 29.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 91,491,750 km

• M1: 31,416 km (0.094 R)
• M2: 46,675 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.86 AU - 2.54 AU

Year: 1147 Days

Day: 38.3 Hours

Environment

Temp: -59 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,491,750 km

• M1: 44,281 km (0.103 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.48 AU - 3.68 AU

Year: 1900 Days

Day: 15.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,491,750 km

• M1: 190,139 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.9

Radius: 12.5

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.81 AU - 6.31 AU

Year: 4608 Days

Day: 13 Hours

Environment

Temp: -144 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,491,750 km

• M1: 155,432 km (0.104 R)
• M2: 1,015,620 km (0.08 R)
• M3: 1,530,985 km (0.067 R)
• M4: 2,585,650 km (0.116 R)
• M5: 2,974,305 km (0.111 R)
• M6: 4,006,979 km (0.11 R)
• M7: 5,021,103 km (0.114 R)
• M8: 6,292,236 km (0.1 R)
• M9: 8,395,433 km (0.082 R)
• M10: 9,217,473 km (0.055 R)
• M11: 10,931,266 km (0.119 R)
• M12: 12,597,337 km (0.084 R)
• M13: 13,887,021 km (0.1 R)
• M14: 18,867,583 km (0.099 R)
• M15: 20,208,578 km (0.103 R)
• M16: 22,045,490 km (0.119 R)
• M17: 23,380,801 km (0.087 R)
• M18: 25,483,848 km (0.082 R)
• M19: 26,705,314 km (0.097 R)
• M20: 29,001,642 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.8

Radius: 11

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.77 AU - 8.43 AU

Year: 7364 Days

Day: 14.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,491,750 km

• M1: 139,425 km (0.084 R)
• M2: 495,917 km (0.049 R)
• M3: 1,015,620 km (0.066 R)
• M4: 1,991,447 km (0.084 R)
• M5: 2,731,657 km (0.043 R)
• M6: 3,530,659 km (0.078 R)
• M7: 4,615,244 km (0.056 R)
• M8: 5,250,137 km (0.04 R)
• M9: 6,008,000 km (0.071 R)
• M10: 6,517,830 km (0.115 R)
• M11: 6,873,573 km (0.119 R)
• M12: 7,899,516 km (0.06 R)
• M13: 9,467,600 km (0.058 R)
• M14: 10,206,315 km (0.106 R)
• M15: 11,591,142 km (0.106 R)
• M16: 13,209,791 km (0.099 R)
• M17: 13,955,985 km (0.082 R)
• M18: 17,701,018 km (0.109 R)
• M19: 24,117,570 km (0.056 R)
• M20: 34,334,806 km (0.109 R)
• M21: 37,759,550 km (0.091 R)
• M22: 38,102,727 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.8

Radius: 10.6

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.32 AU - 9.8 AU

Year: 8802 Days

Day: 9.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,491,750 km

• M1: 131,945 km (0.072 R)
• M2: 629,807 km (0.073 R)
• M3: 990,488 km (0.098 R)
• M4: 1,470,397 km (0.099 R)
• M5: 1,914,703 km (0.119 R)
• M6: 2,548,998 km (0.106 R)
• M7: 3,001,232 km (0.097 R)
• M8: 4,819,595 km (0.116 R)
• M9: 5,514,776 km (0.107 R)
• M10: 8,502,844 km (0.102 R)
• M11: 9,517,716 km (0.118 R)
• M12: 11,786,966 km (0.045 R)
• M13: 12,330,904 km (0.062 R)
• M14: 13,522,451 km (0.087 R)
• M15: 15,774,796 km (0.045 R)
• M16: 18,201,423 km (0.091 R)
• M17: 19,674,813 km (0.047 R)
• M18: 20,090,246 km (0.103 R)
• M19: 21,516,961 km (0.098 R)
• M20: 22,630,567 km (0.104 R)
• M21: 29,496,811 km (0.104 R)
• M22: 31,431,261 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.8

Radius: 11.6

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 10.22 AU - 15.6 AU

Year: 16303 Days

Day: 7 Hours

Environment

Temp: -183 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,491,750 km

• M1: 144,362 km (0.075 R)
• M2: 511,475 km (0.119 R)
• M3: 1,407,866 km (0.076 R)
• M4: 2,048,444 km (0.099 R)
• M5: 2,855,524 km (0.118 R)
• M6: 3,573,744 km (0.117 R)
• M7: 4,518,454 km (0.1 R)
• M8: 4,975,476 km (0.034 R)
• M9: 5,494,879 km (0.087 R)
• M10: 6,714,850 km (0.099 R)
• M11: 8,655,134 km (0.043 R)
• M12: 12,921,067 km (0.108 R)
• M13: 14,083,592 km (0.11 R)
• M14: 17,431,742 km (0.048 R)
• M15: 19,069,241 km (0.085 R)
• M16: 20,729,179 km (0.072 R)
• M17: 29,208,984 km (0.075 R)
• M18: 29,897,882 km (0.067 R)
• M19: 32,867,699 km (0.12 R)
• M20: 37,049,708 km (0.096 R)
• M21: 37,741,000 km (0.114 R)
• M22: 38,440,818 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.6

Radius: 6.7

Gravity: 13.67 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 14.82 AU - 21.42 AU

Year: 27109 Days

Day: 19.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 91,491,750 km

• M1: 115,490 km (0.105 R)
• M2: 334,950 km (0.119 R)
• M3: 642,373 km (0.072 R)
• M4: 1,013,226 km (0.12 R)
• M5: 1,519,615 km (0.115 R)
• M6: 4,132,641 km (0.088 R)
• M7: 15,343,805 km (0.087 R)
• M8: 18,051,676 km (0.078 R)
• M9: 18,988,907 km (0.109 R)
• M10: 22,418,587 km (0.048 R)
• M11: 26,358,397 km (0.076 R)
• M12: 30,083,085 km (0.095 R)
• M13: 32,342,162 km (0.077 R)
• M14: 35,430,161 km (0.079 R)
• M15: 56,377,154 km (0.069 R)
• M16: 75,345,117 km (0.119 R)
• M17: 80,236,070 km (0.115 R)
• M18: 83,782,886 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.3

Radius: 5.2

Gravity: 18.32 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 15.92 AU - 23.72 AU

Year: 31012 Days

Day: 15.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 91,491,750 km

• M1: 65,225 km (0.081 R)
• M2: 1,884,335 km (0.085 R)
• M3: 2,364,394 km (0.103 R)
• M4: 3,471,269 km (0.114 R)
• M5: 4,733,426 km (0.046 R)
• M6: 5,742,165 km (0.116 R)
• M7: 6,183,329 km (0.037 R)
• M8: 8,067,065 km (0.096 R)
• M9: 8,451,681 km (0.092 R)
• M10: 9,863,137 km (0.078 R)
• M11: 10,049,835 km (0.086 R)
• M12: 12,050,408 km (0.098 R)
• M13: 12,994,370 km (0.069 R)
• M14: 13,370,160 km (0.037 R)
• M15: 13,830,772 km (0.098 R)
• M16: 16,380,219 km (0.12 R)
• M17: 16,730,427 km (0.062 R)
• M18: 20,011,109 km (0.108 R)
• M19: 25,639,280 km (0.102 R)
• M20: 37,717,214 km (0.104 R)
• M21: 40,836,030 km (0.116 R)
• M22: 62,795,501 km (0.111 R)
• M23: 63,223,202 km (0.082 R)
• M24: 80,448,948 km (0.096 R)
• M25: 86,378,858 km (0.07 R)
• M26: 90,671,419 km (0.053 R)

Kuiper Belt

Range: 31.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 12,409 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit