🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.5

Radius: 12.9

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.96 AU - 1.14 AU

Year: 706 Days

Day: 14.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,249,065 km

• M1: 160,967 km (0.054 R)
• M2: 652,546 km (0.038 R)
• M3: 1,191,846 km (0.11 R)
• M4: 2,062,955 km (0.116 R)
• M5: 3,073,339 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.6

Radius: 10.8

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.36 AU - 2.14 AU

Year: 1519 Days

Day: 7.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,249,065 km

• M1: 134,339 km (0.116 R)
• M2: 836,701 km (0.043 R)
• M3: 1,197,681 km (0.063 R)
• M4: 1,673,851 km (0.077 R)
• M5: 2,399,251 km (0.04 R)
• M6: 3,606,655 km (0.118 R)
• M7: 5,181,023 km (0.109 R)
• M8: 5,732,291 km (0.106 R)
• M9: 6,550,891 km (0.062 R)
• M10: 8,641,222 km (0.075 R)
• M11: 10,749,205 km (0.073 R)
• M12: 11,275,491 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.8

Radius: 10.5

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.92 AU - 5.16 AU

Year: 7423 Days

Day: 9.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,249,065 km

• M1: 130,599 km (0.093 R)
• M2: 654,491 km (0.114 R)
• M3: 1,039,406 km (0.096 R)
• M4: 3,000,484 km (0.104 R)
• M5: 4,421,664 km (0.079 R)
• M6: 5,660,634 km (0.114 R)
• M7: 9,557,958 km (0.059 R)
• M8: 9,903,379 km (0.049 R)
• M9: 13,027,431 km (0.114 R)
• M10: 15,659,307 km (0.105 R)
• M11: 20,066,759 km (0.119 R)
• M12: 30,576,608 km (0.082 R)
• M13: 30,950,902 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946.1

Radius: 6.6

Gravity: 21.72 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.94 AU - 8.32 AU

Year: 13826 Days

Day: 17.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,249,065 km

• M1: 86,318 km (0.112 R)
• M2: 333,304 km (0.081 R)
• M3: 876,644 km (0.076 R)
• M4: 1,116,000 km (0.028 R)
• M5: 1,370,017 km (0.119 R)
• M6: 1,746,406 km (0.107 R)
• M7: 2,353,474 km (0.081 R)
• M8: 2,775,639 km (0.053 R)
• M9: 3,067,355 km (0.096 R)
• M10: 3,460,947 km (0.085 R)
• M11: 4,575,900 km (0.078 R)
• M12: 6,777,831 km (0.082 R)
• M13: 7,537,638 km (0.079 R)
• M14: 8,553,109 km (0.096 R)
• M15: 9,385,621 km (0.116 R)
• M16: 10,214,243 km (0.034 R)
• M17: 16,548,217 km (0.104 R)
• M18: 18,337,109 km (0.108 R)
• M19: 18,846,639 km (0.091 R)
• M20: 21,536,259 km (0.112 R)
• M21: 22,103,235 km (0.061 R)
• M22: 23,663,990 km (0.1 R)
• M23: 29,937,825 km (0.079 R)
• M24: 32,334,682 km (0.099 R)
• M25: 34,856,603 km (0.114 R)
• M26: 37,235,808 km (0.073 R)
• M27: 39,299,510 km (0.047 R)
• M28: 44,105,491 km (0.115 R)
• M29: 47,518,268 km (0.038 R)
• M30: 48,801,817 km (0.096 R)
• M31: 55,214,928 km (0.068 R)
• M32: 56,632,967 km (0.087 R)
• M33: 62,357,928 km (0.079 R)
• M34: 65,065,200 km (0.071 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: 435 - 19,695 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit