🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.43 AU - 0.63 AU

Year: 147 Days

Day: 26 Hours

Environment

Temp: 229 °C

Axial Tilt: 45.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.67 AU - 0.97 AU

Year: 283 Days

Day: 41.6 Hours

Environment

Temp: 72 °C

Axial Tilt: 34.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,015,297 km

• M1: 121,174 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.96 AU - 1.32 AU

Year: 464 Days

Day: 17.4 Hours

Environment

Temp: -7 °C

Axial Tilt: 21 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 78,015,297 km

• M1: 26,479 km (0.088 R)
• M2: 47,123 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.7 AU - 2.14 AU

Year: 1013 Days

Day: 31.6 Hours

Environment

Temp: -69 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.82 AU - 3.92 AU

Year: 2899 Days

Day: 41.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 14.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 78,015,297 km

• M1: 120,426 km (0.118 R)
• M2: 242,797 km (0.107 R)

Asteroid Belt

Center: 4.31 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.6

Radius: 14

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.61 AU - 4.89 AU

Year: 3942 Days

Day: 12.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 174.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,015,297 km

• M1: 178,620 km (0.095 R)
• M2: 653,144 km (0.107 R)
• M3: 1,113,906 km (0.025 R)
• M4: 2,254,739 km (0.118 R)
• M5: 2,700,391 km (0.111 R)
• M6: 3,374,778 km (0.109 R)
• M7: 3,857,231 km (0.112 R)
• M8: 5,454,937 km (0.063 R)
• M9: 6,269,647 km (0.108 R)
• M10: 10,488,157 km (0.096 R)
• M11: 12,252,814 km (0.082 R)
• M12: 13,551,024 km (0.083 R)
• M13: 14,780,270 km (0.104 R)
• M14: 18,178,086 km (0.106 R)
• M15: 20,979,157 km (0.111 R)
• M16: 23,260,674 km (0.089 R)
• M17: 25,322,581 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.5

Radius: 12.9

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.53 AU - 6.83 AU

Year: 5155 Days

Day: 10.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,015,297 km

• M1: 161,566 km (0.038 R)
• M2: 584,928 km (0.091 R)
• M3: 1,479,523 km (0.112 R)
• M4: 2,473,451 km (0.113 R)
• M5: 4,060,535 km (0.115 R)
• M6: 6,708,417 km (0.119 R)
• M7: 7,301,274 km (0.066 R)
• M8: 7,815,442 km (0.083 R)
• M9: 8,512,119 km (0.086 R)
• M10: 9,985,359 km (0.119 R)
• M11: 10,994,546 km (0.03 R)
• M12: 11,919,958 km (0.099 R)
• M13: 15,244,173 km (0.074 R)
• M14: 16,025,223 km (0.117 R)
• M15: 16,581,428 km (0.075 R)
• M16: 18,194,542 km (0.105 R)
• M17: 19,349,587 km (0.115 R)
• M18: 21,506,489 km (0.076 R)
• M19: 23,739,537 km (0.091 R)
• M20: 24,871,244 km (0.069 R)
• M21: 26,464,013 km (0.035 R)
• M22: 29,945,155 km (0.115 R)
• M23: 30,506,447 km (0.03 R)
• M24: 31,361,698 km (0.107 R)
• M25: 33,419,416 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.7

Radius: 5.3

Gravity: 17.5 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 15.59 AU - 16.53 AU

Year: 24508 Days

Day: 16.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,015,297 km

• M1: 67,169 km (0.12 R)
• M2: 469,438 km (0.049 R)
• M3: 829,819 km (0.104 R)
• M4: 1,313,320 km (0.086 R)
• M5: 2,620,207 km (0.057 R)
• M6: 3,494,606 km (0.119 R)
• M7: 6,482,076 km (0.087 R)
• M8: 9,069,221 km (0.039 R)
• M9: 9,292,870 km (0.114 R)
• M10: 12,753,817 km (0.071 R)
• M11: 15,511,953 km (0.118 R)
• M12: 17,585,529 km (0.118 R)
• M13: 21,177,673 km (0.101 R)
• M14: 25,340,383 km (0.083 R)
• M15: 26,008,487 km (0.041 R)
• M16: 28,439,004 km (0.083 R)
• M17: 29,160,365 km (0.105 R)
• M18: 33,082,522 km (0.099 R)
• M19: 37,056,889 km (0.119 R)
• M20: 39,677,394 km (0.077 R)
• M21: 51,219,020 km (0.113 R)
• M22: 64,191,549 km (0.092 R)
• M23: 65,223,624 km (0.111 R)
• M24: 69,030,591 km (0.116 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 16,623 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit