🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.86 AU - 1.02 AU

Year: 419 Days

Day: 36.6 Hours

Environment

Temp: -71 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.98 AU - 1.02 AU

Year: 460 Days

Day: 24.3 Hours

Environment

Temp: -80 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,375,800 km

• M1: 29,321 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.06 AU - 1.14 AU

Year: 531 Days

Day: 31 Hours

Environment

Temp: -93 °C

Axial Tilt: 43 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,375,800 km

• M1: 1,162,076 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.2

Radius: 14.4

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.22 AU - 2.28 AU

Year: 1553 Days

Day: 14.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,375,800 km

• M1: 182,360 km (0.104 R)
• M2: 699,669 km (0.03 R)
• M3: 1,211,294 km (0.097 R)
• M4: 3,212,465 km (0.099 R)
• M5: 4,907,109 km (0.107 R)
• M6: 6,872,077 km (0.081 R)
• M7: 10,134,358 km (0.093 R)
• M8: 10,704,775 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.2

Radius: 11.7

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.01 AU - 4.77 AU

Year: 4233 Days

Day: 10.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,375,800 km

• M1: 148,999 km (0.119 R)
• M2: 588,967 km (0.114 R)
• M3: 1,250,788 km (0.087 R)
• M4: 3,580,475 km (0.112 R)
• M5: 4,570,963 km (0.077 R)
• M6: 8,113,141 km (0.073 R)
• M7: 8,509,276 km (0.084 R)
• M8: 9,198,175 km (0.112 R)
• M9: 10,805,454 km (0.057 R)
• M10: 13,396,340 km (0.116 R)
• M11: 13,951,049 km (0.1 R)
• M12: 14,424,825 km (0.048 R)
• M13: 15,304,760 km (0.106 R)
• M14: 17,064,330 km (0.114 R)
• M15: 18,668,468 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.7

Radius: 14.3

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.59 AU - 6.75 AU

Year: 6213 Days

Day: 11.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,375,800 km

• M1: 178,171 km (0.086 R)
• M2: 1,311,375 km (0.083 R)
• M3: 2,688,124 km (0.066 R)
• M4: 3,578,082 km (0.091 R)
• M5: 4,070,259 km (0.083 R)
• M6: 5,913,155 km (0.093 R)
• M7: 6,605,494 km (0.081 R)
• M8: 7,351,539 km (0.119 R)
• M9: 8,225,489 km (0.062 R)
• M10: 8,935,182 km (0.028 R)
• M11: 11,402,350 km (0.114 R)
• M12: 12,143,158 km (0.084 R)
• M13: 13,214,130 km (0.097 R)
• M14: 14,084,041 km (0.118 R)
• M15: 18,073,966 km (0.052 R)
• M16: 20,867,557 km (0.115 R)
• M17: 23,714,404 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.6

Radius: 5.8

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 9.14 AU - 9.72 AU

Year: 13326 Days

Day: 21.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,375,800 km

• M1: 72,106 km (0.094 R)
• M2: 300,243 km (0.083 R)
• M3: 759,658 km (0.113 R)
• M4: 1,109,268 km (0.12 R)
• M5: 3,123,753 km (0.077 R)
• M6: 5,572,820 km (0.106 R)
• M7: 8,951,937 km (0.075 R)
• M8: 13,076,799 km (0.092 R)
• M9: 13,806,836 km (0.078 R)
• M10: 14,127,873 km (0.084 R)
• M11: 15,462,137 km (0.11 R)
• M12: 15,750,262 km (0.11 R)
• M13: 16,757,056 km (0.086 R)
• M14: 22,885,033 km (0.115 R)
• M15: 25,914,390 km (0.099 R)
• M16: 26,402,977 km (0.07 R)
• M17: 28,161,500 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.9

Radius: 5.8

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.68 AU - 10.72 AU

Year: 13902 Days

Day: 16.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,375,800 km

• M1: 72,405 km (0.105 R)
• M2: 322,982 km (0.093 R)
• M3: 510,428 km (0.028 R)
• M4: 1,082,640 km (0.099 R)
• M5: 1,779,167 km (0.031 R)
• M6: 2,659,551 km (0.098 R)
• M7: 2,966,526 km (0.079 R)
• M8: 3,675,769 km (0.049 R)
• M9: 4,270,870 km (0.057 R)
• M10: 10,549,642 km (0.062 R)
• M11: 11,476,550 km (0.042 R)
• M12: 12,512,815 km (0.09 R)
• M13: 15,022,020 km (0.111 R)
• M14: 16,060,079 km (0.109 R)
• M15: 22,387,920 km (0.056 R)
• M16: 24,789,265 km (0.055 R)
• M17: 25,960,317 km (0.092 R)
• M18: 27,356,813 km (0.119 R)
• M19: 28,121,857 km (0.085 R)
• M20: 33,444,998 km (0.081 R)
• M21: 35,885,986 km (0.111 R)
• M22: 42,122,422 km (0.046 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 17,958 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit