🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.9

Radius: 15

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.54 AU - 0.88 AU

Year: 380 Days

Day: 8.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,232,656 km

• M1: 186,549 km (0.113 R)
• M2: 704,008 km (0.112 R)
• M3: 1,780,215 km (0.032 R)
• M4: 2,249,204 km (0.094 R)
• M5: 2,771,450 km (0.068 R)
• M6: 3,554,595 km (0.084 R)
• M7: 4,079,384 km (0.109 R)
• M8: 4,553,909 km (0.062 R)
• M9: 6,045,250 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.7

Radius: 12.8

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.54 AU - 1.66 AU

Year: 1287 Days

Day: 8.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,232,656 km

• M1: 159,172 km (0.074 R)
• M2: 765,492 km (0.078 R)
• M3: 1,183,618 km (0.093 R)
• M4: 1,769,593 km (0.088 R)
• M5: 2,252,046 km (0.044 R)
• M6: 3,076,779 km (0.036 R)
• M7: 3,833,146 km (0.077 R)
• M8: 4,671,044 km (0.105 R)
• M9: 5,874,559 km (0.111 R)
• M10: 6,586,345 km (0.034 R)
• M11: 7,118,166 km (0.111 R)
• M12: 10,590,632 km (0.081 R)
• M13: 11,145,041 km (0.107 R)
• M14: 11,865,206 km (0.072 R)
• M15: 12,616,037 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.2

Radius: 11.6

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2 AU - 2.02 AU

Year: 1812 Days

Day: 6.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 66.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,232,656 km

• M1: 146,606 km (0.107 R)
• M2: 517,758 km (0.096 R)
• M3: 1,118,842 km (0.117 R)
• M4: 1,511,238 km (0.088 R)
• M5: 2,099,307 km (0.111 R)
• M6: 2,694,856 km (0.113 R)
• M7: 3,466,183 km (0.083 R)
• M8: 4,757,811 km (0.058 R)
• M9: 5,467,952 km (0.117 R)
• M10: 6,729,361 km (0.082 R)
• M11: 8,205,294 km (0.104 R)
• M12: 11,337,125 km (0.102 R)
• M13: 12,884,266 km (0.097 R)
• M14: 14,965,921 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826.7

Radius: 3.6

Gravity: 63.79 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.11 AU - 9.43 AU

Year: 15121 Days

Day: 19.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,232,656 km

• M1: 46,076 km (0.11 R)
• M2: 245,341 km (0.119 R)
• M3: 417,378 km (0.058 R)
• M4: 623,674 km (0.09 R)
• M5: 820,395 km (0.113 R)
• M6: 1,008,888 km (0.113 R)
• M7: 1,295,069 km (0.062 R)
• M8: 1,804,898 km (0.047 R)
• M9: 2,027,051 km (0.112 R)
• M10: 2,503,520 km (0.103 R)
• M11: 2,662,244 km (0.025 R)
• M12: 4,777,857 km (0.069 R)
• M13: 5,499,218 km (0.112 R)
• M14: 6,713,354 km (0.094 R)
• M15: 9,383,377 km (0.116 R)
• M16: 12,098,728 km (0.077 R)
• M17: 17,086,022 km (0.055 R)
• M18: 18,839,009 km (0.064 R)
• M19: 19,448,920 km (0.08 R)
• M20: 20,252,410 km (0.086 R)
• M21: 28,389,637 km (0.096 R)
• M22: 30,957,933 km (0.06 R)
• M23: 34,059,396 km (0.113 R)
• M24: 34,444,910 km (0.027 R)
• M25: 34,963,566 km (0.104 R)
• M26: 35,883,592 km (0.115 R)
• M27: 38,323,235 km (0.062 R)
• M28: 39,160,384 km (0.074 R)
• M29: 44,440,890 km (0.108 R)
• M30: 47,250,637 km (0.1 R)
• M31: 66,629,844 km (0.097 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 555 - 13,108 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit