🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.48 AU - 0.56 AU

Year: 141 Days

Day: 30.7 Hours

Environment

Temp: 206 °C

Axial Tilt: 49.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.64 AU - 1.04 AU

Year: 289 Days

Day: 21.4 Hours

Environment

Temp: 115 °C

Axial Tilt: 25 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 35,352,002 km

• M1: 385,813 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.95 AU - 1.09 AU

Year: 386 Days

Day: 16.7 Hours

Environment

Temp: 22 °C

Axial Tilt: 28.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.16 AU - 1.68 AU

Year: 634 Days

Day: 31.8 Hours

Environment

Temp: -34 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.26 AU - 1.84 AU

Year: 723 Days

Day: 26 Hours

Environment

Temp: -50 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.84 AU - 1.86 AU

Year: 943 Days

Day: 13.5 Hours

Environment

Temp: -58 °C

Axial Tilt: 44.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.46 AU - 4.44 AU

Year: 2942 Days

Day: 21 Hours

Environment

Temp: -124 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.7

Radius: 10.2

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.53 AU - 6.25 AU

Year: 5357 Days

Day: 13.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 35,352,002 km

• M1: 162,014 km (0.088 R)
• M2: 463,155 km (0.106 R)
• M3: 581,188 km (0.043 R)
• M4: 683,812 km (0.098 R)
• M5: 751,430 km (0.104 R)
• M6: 1,125,874 km (0.08 R)
• M7: 1,342,491 km (0.098 R)
• M8: 1,572,872 km (0.107 R)
• M9: 1,758,972 km (0.099 R)
• M10: 1,893,610 km (0.105 R)
• M11: 2,727,768 km (0.09 R)
• M12: 3,301,176 km (0.103 R)
• M13: 3,396,320 km (0.086 R)
• M14: 3,786,472 km (0.088 R)
• M15: 3,886,253 km (0.054 R)
• M16: 4,450,985 km (0.045 R)
• M17: 6,473,399 km (0.097 R)
• M18: 6,926,232 km (0.095 R)
• M19: 7,141,204 km (0.049 R)
• M20: 7,296,038 km (0.071 R)
• M21: 8,345,766 km (0.104 R)
• M22: 8,410,841 km (0.08 R)
• M23: 8,673,086 km (0.106 R)
• M24: 9,239,464 km (0.09 R)
• M25: 9,340,592 km (0.117 R)
• M26: 9,612,262 km (0.037 R)
• M27: 9,955,589 km (0.098 R)
• M28: 10,337,811 km (0.056 R)
• M29: 10,407,823 km (0.025 R)
• M30: 10,689,366 km (0.051 R)
• M31: 11,224,328 km (0.056 R)
• M32: 12,098,279 km (0.12 R)
• M33: 12,320,133 km (0.089 R)
• M34: 12,655,681 km (0.118 R)
• M35: 13,679,828 km (0.102 R)
• M36: 13,756,871 km (0.118 R)
• M37: 14,065,940 km (0.108 R)
• M38: 14,299,462 km (0.074 R)
• M39: 14,494,837 km (0.088 R)
• M40: 14,691,259 km (0.053 R)
• M41: 14,928,072 km (0.098 R)
• M42: 15,887,892 km (0.091 R)
• M43: 16,130,989 km (0.111 R)
• M44: 16,497,952 km (0.078 R)
• M45: 16,579,932 km (0.049 R)
• M46: 16,703,051 km (0.116 R)
• M47: 16,909,047 km (0.079 R)
• M48: 17,699,223 km (0.087 R)
• M49: 18,119,892 km (0.035 R)
• M50: 18,671,759 km (0.092 R)
• M51: 19,142,992 km (0.071 R)
• M52: 19,401,797 km (0.08 R)
• M53: 19,574,881 km (0.12 R)
• M54: 20,492,216 km (0.089 R)
• M55: 20,712,723 km (0.086 R)
• M56: 21,423,462 km (0.1 R)
• M57: 21,557,652 km (0.105 R)
• M58: 21,647,261 km (0.093 R)
• M59: 21,737,019 km (0.117 R)
• M60: 21,916,836 km (0.076 R)
• M61: 22,097,251 km (0.087 R)
• M62: 22,323,293 km (0.118 R)
• M63: 23,973,956 km (0.092 R)
• M64: 24,113,232 km (0.055 R)
• M65: 24,486,030 km (0.099 R)
• M66: 24,907,746 km (0.117 R)
• M67: 25,426,552 km (0.107 R)
• M68: 25,521,247 km (0.112 R)
• M69: 25,805,932 km (0.098 R)
• M70: 25,996,370 km (0.067 R)
• M71: 26,330,871 km (0.074 R)
• M72: 27,391,071 km (0.102 R)
• M73: 27,536,779 km (0.118 R)
• M74: 28,024,169 km (0.078 R)
• M75: 28,269,061 km (0.093 R)
• M76: 28,859,374 km (0.117 R)
• M77: 29,503,542 km (0.103 R)
• M78: 30,152,498 km (0.073 R)
• M79: 30,353,109 km (0.084 R)
• M80: 30,907,070 km (0.087 R)
• M81: 32,178,502 km (0.101 R)
• M82: 33,935,080 km (0.107 R)
• M83: 34,248,189 km (0.038 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 19,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit