🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.52 AU - 0.6 AU

Year: 266 Days

Day: 19.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 46.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.1

Radius: 14.1

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.01 AU - 1.07 AU

Year: 674 Days

Day: 11.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,112,233 km

• M1: 175,329 km (0.062 R)
• M2: 664,663 km (0.032 R)
• M3: 1,111,213 km (0.101 R)
• M4: 1,769,593 km (0.067 R)
• M5: 2,714,304 km (0.113 R)
• M6: 3,244,927 km (0.105 R)
• M7: 4,179,615 km (0.067 R)
• M8: 4,662,068 km (0.093 R)
• M9: 5,269,286 km (0.08 R)
• M10: 5,929,012 km (0.067 R)
• M11: 6,893,919 km (0.054 R)
• M12: 7,436,660 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.7

Radius: 9.1

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.88 AU - 4.04 AU

Year: 5010 Days

Day: 10.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,112,233 km

• M1: 113,096 km (0.059 R)
• M2: 487,091 km (0.086 R)
• M3: 1,303,745 km (0.119 R)
• M4: 2,442,634 km (0.075 R)
• M5: 5,028,284 km (0.118 R)
• M6: 7,275,393 km (0.086 R)
• M7: 8,282,935 km (0.055 R)
• M8: 8,840,636 km (0.105 R)
• M9: 9,767,395 km (0.105 R)
• M10: 10,711,208 km (0.087 R)
• M11: 12,366,508 km (0.06 R)
• M12: 13,308,675 km (0.107 R)
• M13: 14,018,218 km (0.117 R)
• M14: 14,868,233 km (0.077 R)
• M15: 15,513,000 km (0.091 R)
• M16: 16,176,467 km (0.087 R)
• M17: 16,858,633 km (0.108 R)
• M18: 19,780,130 km (0.113 R)
• M19: 31,678,247 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.1

Radius: 6.9

Gravity: 18.93 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.96 AU - 9.8 AU

Year: 15424 Days

Day: 23.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,112,233 km

• M1: 85,869 km (0.111 R)
• M2: 589,266 km (0.117 R)
• M3: 1,006,195 km (0.071 R)
• M4: 1,479,523 km (0.113 R)
• M5: 1,776,026 km (0.114 R)
• M6: 2,233,047 km (0.06 R)
• M7: 2,742,129 km (0.116 R)
• M8: 3,407,690 km (0.112 R)
• M9: 4,500,652 km (0.101 R)
• M10: 8,273,959 km (0.103 R)
• M11: 9,211,938 km (0.103 R)
• M12: 11,173,764 km (0.099 R)
• M13: 12,986,142 km (0.115 R)
• M14: 15,211,560 km (0.078 R)
• M15: 18,615,510 km (0.093 R)
• M16: 19,228,263 km (0.106 R)
• M17: 21,431,391 km (0.088 R)
• M18: 24,414,971 km (0.056 R)
• M19: 27,215,443 km (0.068 R)
• M20: 27,777,482 km (0.092 R)
• M21: 28,232,709 km (0.117 R)
• M22: 29,984,200 km (0.119 R)
• M23: 32,055,233 km (0.109 R)
• M24: 34,219,765 km (0.118 R)
• M25: 41,000,588 km (0.079 R)
• M26: 43,547,791 km (0.092 R)
• M27: 47,159,083 km (0.109 R)
• M28: 47,482,215 km (0.046 R)
• M29: 50,457,417 km (0.033 R)
• M30: 51,476,179 km (0.108 R)
• M31: 58,063,272 km (0.09 R)
• M32: 63,997,071 km (0.108 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 10,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit