🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.3

Radius: 10.6

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.33 AU - 2.05 AU

Year: 1397 Days

Day: 11.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,555,783 km

• M1: 131,796 km (0.075 R)
• M2: 689,048 km (0.113 R)
• M3: 1,231,789 km (0.12 R)
• M4: 2,366,339 km (0.104 R)
• M5: 3,080,370 km (0.096 R)
• M6: 3,587,656 km (0.086 R)
• M7: 4,205,495 km (0.076 R)
• M8: 4,997,018 km (0.115 R)
• M9: 6,122,742 km (0.106 R)
• M10: 6,491,351 km (0.105 R)
• M11: 9,342,237 km (0.119 R)
• M12: 10,066,441 km (0.114 R)
• M13: 11,077,872 km (0.115 R)
• M14: 12,040,983 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.4

Radius: 13.9

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.92 AU - 3.22 AU

Year: 3420 Days

Day: 11.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,555,783 km

• M1: 172,935 km (0.088 R)
• M2: 883,076 km (0.068 R)
• M3: 1,356,853 km (0.119 R)
• M4: 1,937,143 km (0.109 R)
• M5: 2,570,091 km (0.087 R)
• M6: 3,388,392 km (0.113 R)
• M7: 3,823,123 km (0.09 R)
• M8: 4,495,266 km (0.119 R)
• M9: 5,358,895 km (0.092 R)
• M10: 6,228,208 km (0.083 R)
• M11: 7,589,399 km (0.109 R)
• M12: 8,247,929 km (0.055 R)
• M13: 9,407,462 km (0.108 R)
• M14: 10,490,850 km (0.092 R)
• M15: 11,423,742 km (0.065 R)
• M16: 11,930,430 km (0.043 R)
• M17: 14,376,206 km (0.095 R)
• M18: 14,875,414 km (0.095 R)
• M19: 15,764,773 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.5

Radius: 10.4

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.05 AU - 3.51 AU

Year: 3777 Days

Day: 12.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,555,783 km

• M1: 136,882 km (0.028 R)
• M2: 482,304 km (0.093 R)
• M3: 1,038,957 km (0.119 R)
• M4: 1,449,903 km (0.108 R)
• M5: 1,880,894 km (0.028 R)
• M6: 2,769,505 km (0.105 R)
• M7: 3,383,305 km (0.028 R)
• M8: 3,733,065 km (0.065 R)
• M9: 5,228,595 km (0.111 R)
• M10: 5,565,041 km (0.118 R)
• M11: 6,054,824 km (0.107 R)
• M12: 6,602,801 km (0.083 R)
• M13: 8,659,473 km (0.105 R)
• M14: 9,621,537 km (0.057 R)
• M15: 12,935,877 km (0.098 R)
• M16: 14,951,858 km (0.109 R)
• M17: 17,112,650 km (0.12 R)
• M18: 20,476,209 km (0.111 R)
• M19: 21,578,745 km (0.086 R)
• M20: 22,245,503 km (0.118 R)
• M21: 22,926,023 km (0.036 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141

Radius: 5.8

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.96 AU - 9.7 AU

Year: 15286 Days

Day: 16.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,555,783 km

• M1: 73,901 km (0.093 R)
• M2: 395,088 km (0.077 R)
• M3: 715,826 km (0.042 R)
• M4: 2,329,987 km (0.117 R)
• M5: 3,579,727 km (0.107 R)
• M6: 5,684,270 km (0.087 R)
• M7: 7,692,472 km (0.081 R)
• M8: 9,806,440 km (0.112 R)
• M9: 12,014,803 km (0.12 R)
• M10: 12,493,217 km (0.067 R)
• M11: 15,696,557 km (0.092 R)
• M12: 26,765,004 km (0.054 R)
• M13: 27,035,028 km (0.044 R)
• M14: 32,822,521 km (0.088 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: 191 - 18,262 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit