🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.4

Radius: 8.8

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.63 AU - 1.05 AU

Year: 522 Days

Day: 7.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,709,373 km

• M1: 109,506 km (0.113 R)
• M2: 408,253 km (0.105 R)
• M3: 683,363 km (0.08 R)
• M4: 1,485,656 km (0.116 R)
• M5: 1,877,154 km (0.118 R)
• M6: 2,154,957 km (0.091 R)
• M7: 2,731,807 km (0.065 R)
• M8: 3,371,637 km (0.11 R)
• M9: 3,838,233 km (0.09 R)
• M10: 4,869,710 km (0.069 R)
• M11: 5,235,327 km (0.095 R)
• M12: 5,517,319 km (0.052 R)
• M13: 5,844,340 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.6

Radius: 12.4

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.88 AU - 0.98 AU

Year: 608 Days

Day: 6 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,709,373 km

• M1: 154,235 km (0.109 R)
• M2: 712,684 km (0.068 R)
• M3: 1,110,615 km (0.099 R)
• M4: 1,605,335 km (0.092 R)
• M5: 2,034,980 km (0.073 R)
• M6: 2,463,279 km (0.109 R)
• M7: 3,030,404 km (0.099 R)
• M8: 3,840,925 km (0.081 R)
• M9: 4,399,374 km (0.117 R)
• M10: 5,140,632 km (0.11 R)
• M11: 6,559,418 km (0.104 R)

Asteroid Belt

Center: 1.71 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.7

Radius: 13.2

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.08 AU - 2.9 AU

Year: 2665 Days

Day: 11.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,709,373 km

• M1: 168,597 km (0.102 R)
• M2: 592,108 km (0.115 R)
• M3: 1,141,133 km (0.112 R)
• M4: 1,841,101 km (0.079 R)
• M5: 2,560,816 km (0.058 R)
• M6: 3,134,375 km (0.09 R)
• M7: 3,606,356 km (0.077 R)
• M8: 4,435,577 km (0.113 R)
• M9: 5,461,369 km (0.104 R)
• M10: 6,069,934 km (0.119 R)
• M11: 7,009,558 km (0.08 R)
• M12: 7,545,118 km (0.096 R)
• M13: 8,236,709 km (0.088 R)
• M14: 8,799,646 km (0.118 R)
• M15: 9,674,195 km (0.09 R)
• M16: 10,567,594 km (0.099 R)
• M17: 11,273,097 km (0.111 R)
• M18: 13,579,597 km (0.082 R)
• M19: 14,843,699 km (0.102 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.3

Radius: 5.1

Gravity: 11.01 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 7.53 AU - 12.17 AU

Year: 20967 Days

Day: 16.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,709,373 km

• M1: 63,729 km (0.105 R)
• M2: 308,172 km (0.099 R)
• M3: 1,269,787 km (0.107 R)
• M4: 1,949,260 km (0.105 R)
• M5: 2,577,871 km (0.08 R)
• M6: 5,998,127 km (0.117 R)
• M7: 9,504,850 km (0.088 R)
• M8: 11,684,491 km (0.068 R)
• M9: 13,972,890 km (0.115 R)
• M10: 14,867,784 km (0.079 R)
• M11: 29,198,363 km (0.116 R)
• M12: 31,230,351 km (0.12 R)
• M13: 31,577,867 km (0.103 R)
• M14: 34,823,093 km (0.102 R)
• M15: 37,626,408 km (0.065 R)
• M16: 41,267,769 km (0.107 R)
• M17: 47,083,686 km (0.091 R)
• M18: 54,923,213 km (0.11 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 12,203 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit