🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.7

Radius: 12.8

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.66 AU - 1.08 AU

Year: 570 Days

Day: 9.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,498,976 km

• M1: 159,172 km (0.073 R)
• M2: 564,433 km (0.113 R)
• M3: 1,010,534 km (0.078 R)
• M4: 1,644,529 km (0.078 R)
• M5: 2,062,955 km (0.109 R)
• M6: 3,559,083 km (0.079 R)
• M7: 4,356,140 km (0.05 R)
• M8: 4,812,713 km (0.077 R)
• M9: 5,334,062 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.1

Radius: 11.2

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.49 AU - 3.63 AU

Year: 4722 Days

Day: 12.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,498,976 km

• M1: 139,724 km (0.115 R)
• M2: 500,704 km (0.067 R)
• M3: 1,870,123 km (0.051 R)
• M4: 3,852,145 km (0.119 R)
• M5: 7,218,247 km (0.085 R)
• M6: 7,648,191 km (0.076 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402

Radius: 7.8

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.43 AU - 5.61 AU

Year: 9116 Days

Day: 24.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,498,976 km

• M1: 96,939 km (0.081 R)
• M2: 537,206 km (0.077 R)
• M3: 854,353 km (0.09 R)
• M4: 1,437,187 km (0.086 R)
• M5: 4,207,141 km (0.104 R)
• M6: 4,633,794 km (0.103 R)
• M7: 5,030,528 km (0.053 R)
• M8: 5,636,549 km (0.119 R)
• M9: 5,892,211 km (0.074 R)
• M10: 8,555,353 km (0.057 R)
• M11: 9,022,696 km (0.117 R)
• M12: 12,567,717 km (0.105 R)
• M13: 12,949,940 km (0.108 R)
• M14: 19,949,026 km (0.11 R)
• M15: 20,922,758 km (0.113 R)
• M16: 28,269,809 km (0.096 R)
• M17: 28,550,006 km (0.058 R)
• M18: 29,689,193 km (0.116 R)
• M19: 36,391,627 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.2

Radius: 6.3

Gravity: 21.19 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.45 AU - 8.39 AU

Year: 12796 Days

Day: 17.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,498,976 km

• M1: 80,783 km (0.115 R)
• M2: 407,804 km (0.109 R)
• M3: 748,438 km (0.087 R)
• M4: 1,152,652 km (0.075 R)
• M5: 1,506,750 km (0.073 R)
• M6: 1,775,876 km (0.116 R)
• M7: 2,095,567 km (0.095 R)
• M8: 2,329,538 km (0.099 R)
• M9: 3,290,106 km (0.094 R)
• M10: 4,428,097 km (0.091 R)
• M11: 5,190,149 km (0.065 R)
• M12: 5,584,189 km (0.108 R)
• M13: 6,075,319 km (0.087 R)
• M14: 6,351,327 km (0.056 R)
• M15: 6,802,215 km (0.071 R)
• M16: 7,056,980 km (0.068 R)
• M17: 7,540,630 km (0.056 R)
• M18: 8,140,518 km (0.077 R)
• M19: 9,022,696 km (0.033 R)
• M20: 14,339,405 km (0.106 R)
• M21: 15,475,900 km (0.113 R)
• M22: 18,250,641 km (0.12 R)
• M23: 19,927,035 km (0.088 R)
• M24: 21,795,063 km (0.109 R)
• M25: 29,083,172 km (0.034 R)
• M26: 29,755,166 km (0.117 R)
• M27: 36,274,940 km (0.085 R)
• M28: 37,842,876 km (0.026 R)
• M29: 39,455,391 km (0.101 R)
• M30: 41,817,392 km (0.114 R)
• M31: 46,061,334 km (0.06 R)
• M32: 53,201,192 km (0.066 R)
• M33: 55,564,389 km (0.113 R)
• M34: 55,907,567 km (0.074 R)
• M35: 59,060,491 km (0.113 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 13,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit