🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.63 AU - 1.01 AU

Year: 260 Days

Day: 30.1 Hours

Environment

Temp: 149 °C

Axial Tilt: 22.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.68 AU - 1.1 AU

Year: 294 Days

Day: 41.6 Hours

Environment

Temp: 131 °C

Axial Tilt: 28 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 62,028,774 km

• M1: 44,730 km (0.084 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.83 AU - 1.87 AU

Year: 880 Days

Day: 22.3 Hours

Environment

Temp: -37 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.02 AU - 2.24 AU

Year: 1088 Days

Day: 38 Hours

Environment

Temp: -68 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,028,774 km

• M1: 261,946 km (0.071 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.84 AU - 3.9 AU

Year: 2663 Days

Day: 18.9 Hours

Environment

Temp: -106 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,028,774 km

• M1: 112,049 km (0.101 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.16 AU - 5.26 AU

Year: 3022 Days

Day: 26 Hours

Environment

Temp: -120 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.9

Radius: 11.9

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.99 AU - 10.95 AU

Year: 10195 Days

Day: 9.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,028,774 km

• M1: 148,102 km (0.048 R)
• M2: 572,212 km (0.109 R)
• M3: 1,117,945 km (0.116 R)
• M4: 2,731,208 km (0.105 R)
• M5: 3,653,778 km (0.096 R)
• M6: 4,611,803 km (0.07 R)
• M7: 5,638,344 km (0.118 R)
• M8: 6,304,204 km (0.063 R)
• M9: 6,707,669 km (0.083 R)
• M10: 7,831,000 km (0.099 R)
• M11: 8,498,206 km (0.115 R)
• M12: 9,723,413 km (0.108 R)
• M13: 12,365,610 km (0.119 R)
• M14: 14,049,185 km (0.063 R)
• M15: 18,541,010 km (0.108 R)
• M16: 22,636,551 km (0.049 R)
• M17: 27,122,094 km (0.108 R)
• M18: 31,774,139 km (0.071 R)
• M19: 32,664,545 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.3

Radius: 13.4

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 10.76 AU - 11.64 AU

Year: 13113 Days

Day: 9.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,028,774 km

• M1: 166,802 km (0.057 R)
• M2: 639,531 km (0.061 R)
• M3: 1,397,843 km (0.1 R)
• M4: 2,534,338 km (0.107 R)
• M5: 2,981,336 km (0.081 R)
• M6: 3,752,214 km (0.092 R)
• M7: 5,364,729 km (0.111 R)
• M8: 5,841,498 km (0.099 R)
• M9: 6,589,337 km (0.1 R)
• M10: 7,093,931 km (0.116 R)
• M11: 7,534,198 km (0.081 R)
• M12: 8,814,905 km (0.12 R)
• M13: 9,853,713 km (0.031 R)
• M14: 11,147,435 km (0.063 R)
• M15: 12,743,046 km (0.038 R)
• M16: 14,070,577 km (0.116 R)
• M17: 16,006,374 km (0.091 R)
• M18: 16,689,438 km (0.1 R)
• M19: 18,277,120 km (0.072 R)
• M20: 18,855,914 km (0.041 R)
• M21: 21,294,509 km (0.109 R)
• M22: 24,629,793 km (0.056 R)
• M23: 25,643,319 km (0.102 R)
• M24: 26,474,036 km (0.082 R)
• M25: 27,537,527 km (0.082 R)
• M26: 34,275,415 km (0.057 R)
• M27: 35,538,620 km (0.067 R)
• M28: 44,964,183 km (0.118 R)
• M29: 45,565,417 km (0.072 R)
• M30: 52,871,478 km (0.067 R)
• M31: 61,289,350 km (0.066 R)

Kuiper Belt

Range: 31.4 - 57.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 12,439 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit