🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.6

Radius: 9

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.02 AU - 1.14 AU

Year: 714 Days

Day: 6.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,166,985 km

• M1: 112,797 km (0.096 R)
• M2: 540,048 km (0.067 R)
• M3: 1,062,145 km (0.11 R)
• M4: 1,592,320 km (0.073 R)
• M5: 2,527,606 km (0.106 R)
• M6: 5,140,033 km (0.112 R)
• M7: 5,949,358 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.1

Radius: 12

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.78 AU - 2.1 AU

Year: 1718 Days

Day: 12.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,166,985 km

• M1: 149,299 km (0.101 R)
• M2: 773,870 km (0.087 R)
• M3: 1,379,592 km (0.093 R)
• M4: 2,078,662 km (0.105 R)
• M5: 2,887,538 km (0.084 R)
• M6: 3,492,811 km (0.103 R)
• M7: 4,676,280 km (0.086 R)
• M8: 6,424,481 km (0.088 R)
• M9: 7,324,461 km (0.066 R)
• M10: 9,091,811 km (0.076 R)
• M11: 9,761,411 km (0.079 R)
• M12: 10,498,031 km (0.114 R)
• M13: 11,235,249 km (0.059 R)
• M14: 13,532,773 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362

Radius: 12.1

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.01 AU - 2.03 AU

Year: 1825 Days

Day: 8.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,166,985 km

• M1: 151,393 km (0.091 R)
• M2: 660,774 km (0.095 R)
• M3: 1,171,501 km (0.118 R)
• M4: 1,813,725 km (0.074 R)
• M5: 2,233,945 km (0.086 R)
• M6: 2,706,525 km (0.113 R)
• M7: 3,158,310 km (0.027 R)
• M8: 3,676,368 km (0.109 R)
• M9: 5,494,879 km (0.117 R)
• M10: 6,893,769 km (0.096 R)
• M11: 8,041,484 km (0.099 R)
• M12: 9,282,249 km (0.079 R)
• M13: 9,806,589 km (0.066 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.4

Radius: 4.7

Gravity: 40.31 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.81 AU - 11.19 AU

Year: 18617 Days

Day: 17.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,166,985 km

• M1: 58,493 km (0.052 R)
• M2: 275,559 km (0.032 R)
• M3: 801,545 km (0.098 R)
• M4: 1,250,489 km (0.049 R)
• M5: 2,068,789 km (0.084 R)
• M6: 2,259,077 km (0.102 R)
• M7: 2,675,109 km (0.038 R)
• M8: 3,780,189 km (0.053 R)
• M9: 4,608,213 km (0.119 R)
• M10: 6,217,437 km (0.103 R)
• M11: 7,029,604 km (0.117 R)
• M12: 10,990,357 km (0.096 R)
• M13: 12,308,763 km (0.067 R)
• M14: 23,427,775 km (0.117 R)
• M15: 24,172,473 km (0.093 R)
• M16: 27,896,413 km (0.116 R)
• M17: 31,341,651 km (0.115 R)
• M18: 37,168,040 km (0.035 R)
• M19: 37,455,417 km (0.115 R)
• M20: 40,866,548 km (0.106 R)
• M21: 49,851,097 km (0.039 R)
• M22: 52,873,423 km (0.119 R)
• M23: 64,514,531 km (0.099 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 14,083 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit