🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.66 AU - 0.94 AU

Year: 274 Days

Day: 16.3 Hours

Environment

Temp: 80 °C

Axial Tilt: 10 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.72 AU - 0.96 AU

Year: 295 Days

Day: 13.2 Hours

Environment

Temp: 45 °C

Axial Tilt: 24.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 54,145,698 km

• M1: 70,161 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.86 AU - 0.86 AU

Year: 305 Days

Day: 41.8 Hours

Environment

Temp: 24 °C

Axial Tilt: 26.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.81 AU - 2.29 AU

Year: 1124 Days

Day: 24.4 Hours

Environment

Temp: -90 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.35 AU - 2.85 AU

Year: 1605 Days

Day: 13.3 Hours

Environment

Temp: -113 °C

Axial Tilt: 160.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.87 AU - 3.69 AU

Year: 2274 Days

Day: 31.3 Hours

Environment

Temp: -114 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.1

Radius: 9.5

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 6.38 AU - 9.68 AU

Year: 8713 Days

Day: 5.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,145,698 km

• M1: 118,332 km (0.049 R)
• M2: 448,494 km (0.071 R)
• M3: 945,608 km (0.088 R)
• M4: 1,365,380 km (0.03 R)
• M5: 1,688,661 km (0.106 R)
• M6: 3,131,383 km (0.114 R)
• M7: 3,442,845 km (0.103 R)
• M8: 3,898,969 km (0.075 R)
• M9: 4,313,954 km (0.091 R)
• M10: 4,616,141 km (0.095 R)
• M11: 5,936,492 km (0.079 R)
• M12: 6,311,385 km (0.039 R)
• M13: 6,884,793 km (0.051 R)
• M14: 10,581,207 km (0.086 R)
• M15: 11,287,608 km (0.105 R)
• M16: 12,515,657 km (0.09 R)
• M17: 13,363,279 km (0.112 R)
• M18: 14,008,793 km (0.112 R)
• M19: 15,875,027 km (0.101 R)
• M20: 16,399,517 km (0.071 R)
• M21: 18,113,310 km (0.105 R)
• M22: 19,270,749 km (0.116 R)
• M23: 22,625,182 km (0.074 R)
• M24: 23,122,296 km (0.106 R)
• M25: 27,178,492 km (0.036 R)
• M26: 30,464,858 km (0.08 R)
• M27: 36,553,342 km (0.032 R)
• M28: 37,123,160 km (0.039 R)
• M29: 38,397,734 km (0.06 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.5

Radius: 10.2

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.82 AU - 9.58 AU

Year: 8991 Days

Day: 7.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,145,698 km

• M1: 130,300 km (0.062 R)
• M2: 530,624 km (0.073 R)
• M3: 1,239,119 km (0.115 R)
• M4: 1,598,154 km (0.104 R)
• M5: 3,119,714 km (0.066 R)
• M6: 4,404,909 km (0.091 R)
• M7: 4,733,127 km (0.097 R)
• M8: 5,689,506 km (0.033 R)
• M9: 6,213,847 km (0.11 R)
• M10: 8,682,062 km (0.038 R)
• M11: 9,648,015 km (0.039 R)
• M12: 11,330,244 km (0.049 R)
• M13: 11,688,830 km (0.052 R)
• M14: 12,482,895 km (0.062 R)
• M15: 14,296,769 km (0.104 R)
• M16: 16,540,139 km (0.09 R)
• M17: 17,472,732 km (0.105 R)
• M18: 19,442,637 km (0.087 R)
• M19: 27,502,521 km (0.087 R)
• M20: 30,257,067 km (0.115 R)
• M21: 31,248,153 km (0.071 R)
• M22: 35,757,481 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.8

Radius: 4.3

Gravity: 17.78 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 10.3 AU - 15.1 AU

Year: 17329 Days

Day: 16.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,145,698 km

• M1: 62,532 km (0.099 R)
• M2: 201,957 km (0.107 R)
• M3: 390,450 km (0.115 R)
• M4: 694,583 km (0.078 R)
• M5: 1,083,089 km (0.065 R)
• M6: 1,428,061 km (0.111 R)
• M7: 2,068,939 km (0.114 R)
• M8: 2,274,636 km (0.068 R)
• M9: 2,412,714 km (0.061 R)
• M10: 4,118,579 km (0.055 R)
• M11: 6,148,472 km (0.1 R)
• M12: 6,614,171 km (0.081 R)
• M13: 7,442,045 km (0.049 R)
• M14: 8,244,039 km (0.093 R)
• M15: 8,383,165 km (0.11 R)
• M16: 13,643,625 km (0.036 R)
• M17: 14,840,109 km (0.069 R)
• M18: 17,746,047 km (0.066 R)
• M19: 18,926,973 km (0.06 R)
• M20: 27,748,759 km (0.103 R)
• M21: 42,726,199 km (0.119 R)
• M22: 47,166,862 km (0.064 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 15,391 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit