🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.71 AU - 0.77 AU

Year: 242 Days

Day: 12.2 Hours

Environment

Temp: 142 °C

Axial Tilt: 24.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,964,324 km

• M1: 95,743 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.81 AU - 0.87 AU

Year: 293 Days

Day: 41.6 Hours

Environment

Temp: 25 °C

Axial Tilt: 15.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 51,964,324 km

• M1: 33,211 km (0.063 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.26 AU - 1.5 AU

Year: 617 Days

Day: 38.2 Hours

Environment

Temp: -50 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 51,964,324 km

• M1: 118,033 km (0.087 R)
• M2: 168,447 km (0.113 R)

Asteroid Belt

Center: 2.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.22 AU - 3.42 AU

Year: 2304 Days

Day: 30.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 51,964,324 km

• M1: 35,903 km (0.119 R)
• M2: 185,950 km (0.105 R)

Asteroid Belt

Center: 4.27 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.2

Radius: 10.8

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.56 AU - 5.88 AU

Year: 4542 Days

Day: 11.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,964,324 km

• M1: 194,477 km (0.109 R)
• M2: 610,509 km (0.076 R)
• M3: 1,926,970 km (0.049 R)
• M4: 2,675,558 km (0.097 R)
• M5: 3,644,503 km (0.091 R)
• M6: 4,404,161 km (0.075 R)
• M7: 6,184,226 km (0.116 R)
• M8: 10,566,098 km (0.064 R)
• M9: 11,616,275 km (0.082 R)
• M10: 12,820,388 km (0.047 R)
• M11: 17,612,905 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.3

Radius: 13

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.87 AU - 7.21 AU

Year: 5653 Days

Day: 14.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,964,324 km

• M1: 171,589 km (0.049 R)
• M2: 779,854 km (0.112 R)
• M3: 1,308,383 km (0.104 R)
• M4: 1,869,375 km (0.097 R)
• M5: 2,313,381 km (0.081 R)
• M6: 3,711,374 km (0.092 R)
• M7: 5,988,852 km (0.11 R)
• M8: 6,828,096 km (0.097 R)
• M9: 9,119,785 km (0.082 R)
• M10: 10,047,442 km (0.071 R)
• M11: 10,699,988 km (0.089 R)
• M12: 11,782,627 km (0.043 R)
• M13: 13,766,146 km (0.119 R)
• M14: 14,513,237 km (0.087 R)
• M15: 19,221,232 km (0.094 R)
• M16: 20,818,788 km (0.052 R)
• M17: 25,197,966 km (0.115 R)
• M18: 27,198,688 km (0.1 R)
• M19: 32,711,370 km (0.04 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.4

Radius: 9.6

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.13 AU - 7.69 AU

Year: 6917 Days

Day: 7.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,964,324 km

• M1: 120,875 km (0.051 R)
• M2: 558,748 km (0.062 R)
• M3: 1,392,607 km (0.079 R)
• M4: 3,872,191 km (0.104 R)
• M5: 4,284,483 km (0.085 R)
• M6: 5,090,217 km (0.106 R)
• M7: 5,473,188 km (0.099 R)
• M8: 7,000,582 km (0.11 R)
• M9: 7,579,376 km (0.112 R)
• M10: 11,933,871 km (0.046 R)
• M11: 14,256,976 km (0.058 R)
• M12: 17,719,569 km (0.097 R)
• M13: 20,181,202 km (0.067 R)
• M14: 21,142,817 km (0.086 R)
• M15: 25,533,664 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.2

Radius: 12.8

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.59 AU - 10.75 AU

Year: 9721 Days

Day: 9.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,964,324 km

• M1: 159,172 km (0.068 R)
• M2: 711,188 km (0.037 R)
• M3: 1,403,078 km (0.097 R)
• M4: 2,438,744 km (0.095 R)
• M5: 6,662,790 km (0.076 R)
• M6: 7,291,699 km (0.089 R)
• M7: 10,060,307 km (0.055 R)
• M8: 12,566,072 km (0.081 R)
• M9: 15,462,436 km (0.044 R)
• M10: 19,164,534 km (0.086 R)
• M11: 20,601,272 km (0.119 R)
• M12: 24,506,076 km (0.112 R)
• M13: 32,731,865 km (0.076 R)
• M14: 34,549,479 km (0.076 R)
• M15: 38,137,284 km (0.104 R)
• M16: 39,260,316 km (0.11 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.4

Radius: 13.1

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 7.81 AU - 11.25 AU

Year: 11203 Days

Day: 12.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,964,324 km

• M1: 163,062 km (0.036 R)
• M2: 793,168 km (0.076 R)
• M3: 1,413,251 km (0.061 R)
• M4: 2,559,620 km (0.118 R)
• M5: 3,142,154 km (0.037 R)
• M6: 4,139,523 km (0.08 R)
• M7: 4,697,074 km (0.117 R)
• M8: 8,734,421 km (0.109 R)
• M9: 11,978,750 km (0.088 R)
• M10: 13,870,116 km (0.1 R)
• M11: 14,920,592 km (0.102 R)
• M12: 15,328,097 km (0.086 R)
• M13: 18,237,177 km (0.073 R)
• M14: 19,337,021 km (0.063 R)
• M15: 19,903,249 km (0.051 R)
• M16: 21,154,037 km (0.118 R)
• M17: 21,755,420 km (0.092 R)
• M18: 25,800,098 km (0.071 R)
• M19: 26,585,935 km (0.097 R)
• M20: 27,185,673 km (0.105 R)
• M21: 29,462,253 km (0.094 R)
• M22: 30,104,627 km (0.073 R)
• M23: 36,558,279 km (0.106 R)
• M24: 37,674,877 km (0.048 R)
• M25: 40,368,686 km (0.103 R)
• M26: 41,964,297 km (0.072 R)
• M27: 49,667,989 km (0.116 R)
• M28: 51,499,516 km (0.116 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 11,973 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit