🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.1

Radius: 9.4

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.59 AU - 1.71 AU

Year: 1348 Days

Day: 12.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,438,061 km

• M1: 116,986 km (0.082 R)
• M2: 409,749 km (0.063 R)
• M3: 720,314 km (0.085 R)
• M4: 1,108,520 km (0.095 R)
• M5: 1,929,364 km (0.06 R)
• M6: 2,238,882 km (0.118 R)
• M7: 2,972,210 km (0.108 R)
• M8: 3,374,629 km (0.09 R)
• M9: 3,947,439 km (0.111 R)
• M10: 4,517,257 km (0.088 R)
• M11: 7,018,384 km (0.037 R)
• M12: 8,398,125 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.5

Radius: 14.6

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.53 AU - 4.47 AU

Year: 5087 Days

Day: 11.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,438,061 km

• M1: 182,958 km (0.11 R)
• M2: 1,116,150 km (0.098 R)
• M3: 1,576,612 km (0.072 R)
• M4: 2,597,169 km (0.091 R)
• M5: 4,107,958 km (0.099 R)
• M6: 4,756,016 km (0.095 R)
• M7: 5,430,253 km (0.075 R)
• M8: 6,971,111 km (0.051 R)
• M9: 7,579,675 km (0.083 R)
• M10: 8,932,489 km (0.109 R)
• M11: 9,437,830 km (0.057 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.2

Radius: 6.3

Gravity: 11.22 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.72 AU - 7 AU

Year: 10198 Days

Day: 15.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,438,061 km

• M1: 78,389 km (0.061 R)
• M2: 370,853 km (0.12 R)
• M3: 791,074 km (0.087 R)
• M4: 1,009,935 km (0.114 R)
• M5: 1,365,829 km (0.119 R)
• M6: 1,757,925 km (0.114 R)
• M7: 2,037,373 km (0.107 R)
• M8: 2,257,282 km (0.087 R)
• M9: 2,512,047 km (0.091 R)
• M10: 3,393,478 km (0.092 R)
• M11: 3,828,509 km (0.057 R)
• M12: 4,635,290 km (0.106 R)
• M13: 5,201,817 km (0.112 R)
• M14: 5,518,067 km (0.063 R)
• M15: 6,544,159 km (0.086 R)
• M16: 6,912,768 km (0.104 R)
• M17: 9,012,374 km (0.044 R)
• M18: 9,330,419 km (0.031 R)
• M19: 10,880,104 km (0.064 R)
• M20: 14,052,476 km (0.075 R)
• M21: 17,231,132 km (0.12 R)
• M22: 17,510,132 km (0.098 R)
• M23: 21,737,767 km (0.106 R)
• M24: 22,475,285 km (0.081 R)
• M25: 23,913,369 km (0.084 R)
• M26: 24,876,032 km (0.055 R)
• M27: 30,789,635 km (0.094 R)
• M28: 32,455,108 km (0.076 R)
• M29: 36,879,465 km (0.098 R)
• M30: 38,045,132 km (0.064 R)
• M31: 38,518,310 km (0.105 R)
• M32: 39,115,206 km (0.075 R)
• M33: 39,718,235 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.9

Radius: 7.4

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.35 AU - 9.29 AU

Year: 13904 Days

Day: 17.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,438,061 km

• M1: 92,302 km (0.083 R)
• M2: 335,548 km (0.073 R)
• M3: 825,780 km (0.06 R)
• M4: 1,305,989 km (0.116 R)
• M5: 2,235,591 km (0.101 R)
• M6: 2,537,030 km (0.071 R)
• M7: 3,040,278 km (0.112 R)
• M8: 3,729,924 km (0.092 R)
• M9: 4,003,239 km (0.082 R)
• M10: 4,519,651 km (0.11 R)
• M11: 8,098,481 km (0.086 R)
• M12: 11,735,055 km (0.048 R)
• M13: 16,222,692 km (0.109 R)
• M14: 17,413,641 km (0.076 R)
• M15: 19,090,783 km (0.059 R)
• M16: 23,464,725 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237.1

Radius: 5.8

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 8.27 AU - 13.53 AU

Year: 22881 Days

Day: 17.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,438,061 km

• M1: 91,255 km (0.113 R)
• M2: 1,146,069 km (0.092 R)
• M3: 1,381,088 km (0.077 R)
• M4: 1,570,478 km (0.102 R)
• M5: 2,208,065 km (0.082 R)
• M6: 2,468,814 km (0.102 R)
• M7: 2,727,768 km (0.048 R)
• M8: 2,910,277 km (0.112 R)
• M9: 4,334,897 km (0.06 R)
• M10: 4,584,277 km (0.069 R)
• M11: 6,287,898 km (0.106 R)
• M12: 7,411,677 km (0.054 R)
• M13: 9,110,361 km (0.097 R)
• M14: 10,049,985 km (0.061 R)
• M15: 11,342,660 km (0.097 R)
• M16: 12,059,234 km (0.113 R)
• M17: 12,616,187 km (0.082 R)
• M18: 16,473,568 km (0.035 R)
• M19: 17,159,025 km (0.056 R)
• M20: 19,413,016 km (0.11 R)
• M21: 19,750,360 km (0.082 R)
• M22: 21,496,017 km (0.111 R)
• M23: 34,296,509 km (0.109 R)
• M24: 39,306,990 km (0.037 R)
• M25: 44,200,187 km (0.117 R)
• M26: 49,641,061 km (0.093 R)
• M27: 51,549,332 km (0.041 R)
• M28: 56,876,362 km (0.112 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: 190 - 17,746 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit