🌌 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: 226.6

Radius: 11.4

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.56 AU - 0.86 AU

Year: 392 Days

Day: 6.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,384,990 km

• M1: 141,819 km (0.116 R)
• M2: 681,418 km (0.103 R)
• M3: 1,063,641 km (0.052 R)
• M4: 1,433,596 km (0.112 R)
• M5: 2,152,265 km (0.099 R)
• M6: 2,544,361 km (0.046 R)
• M7: 3,031,302 km (0.061 R)
• M8: 3,485,780 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.7

Radius: 11.3

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.94 AU - 0.98 AU

Year: 617 Days

Day: 12.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,384,990 km

• M1: 140,472 km (0.098 R)
• M2: 604,076 km (0.106 R)
• M3: 2,146,879 km (0.115 R)
• M4: 3,848,854 km (0.119 R)
• M5: 4,500,054 km (0.118 R)
• M6: 5,018,859 km (0.075 R)
• M7: 5,541,105 km (0.113 R)
• M8: 6,332,927 km (0.116 R)
• M9: 6,715,299 km (0.037 R)
• M10: 7,113,080 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.4

Radius: 14.9

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.43 AU - 1.85 AU

Year: 1378 Days

Day: 11.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,384,990 km

• M1: 185,801 km (0.086 R)
• M2: 660,026 km (0.102 R)
• M3: 1,128,417 km (0.083 R)
• M4: 1,653,954 km (0.08 R)
• M5: 2,257,282 km (0.109 R)
• M6: 2,901,301 km (0.109 R)
• M7: 3,426,539 km (0.115 R)
• M8: 4,181,560 km (0.104 R)
• M9: 5,419,183 km (0.078 R)
• M10: 6,178,841 km (0.087 R)
• M11: 6,912,918 km (0.033 R)
• M12: 7,653,277 km (0.089 R)
• M13: 8,638,978 km (0.085 R)
• M14: 10,384,037 km (0.025 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.7

Radius: 5

Gravity: 26.79 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.66 AU - 10.14 AU

Year: 15971 Days

Day: 21.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,384,990 km

• M1: 62,233 km (0.088 R)
• M2: 252,072 km (0.099 R)
• M3: 447,298 km (0.115 R)
• M4: 852,259 km (0.072 R)
• M5: 1,383,481 km (0.101 R)
• M6: 1,729,351 km (0.083 R)
• M7: 2,460,137 km (0.067 R)
• M8: 3,091,889 km (0.102 R)
• M9: 3,682,052 km (0.119 R)
• M10: 4,003,837 km (0.117 R)
• M11: 5,940,382 km (0.11 R)
• M12: 6,549,395 km (0.092 R)
• M13: 6,847,394 km (0.106 R)
• M14: 8,277,250 km (0.053 R)
• M15: 9,620,938 km (0.086 R)
• M16: 10,118,052 km (0.097 R)
• M17: 10,401,690 km (0.089 R)
• M18: 12,472,124 km (0.12 R)
• M19: 13,399,182 km (0.116 R)
• M20: 15,840,171 km (0.095 R)
• M21: 18,310,480 km (0.101 R)
• M22: 21,026,130 km (0.117 R)
• M23: 21,487,789 km (0.098 R)
• M24: 21,862,083 km (0.091 R)
• M25: 23,600,111 km (0.058 R)
• M26: 27,022,013 km (0.053 R)
• M27: 31,475,093 km (0.11 R)
• M28: 32,200,942 km (0.069 R)
• M29: 33,560,487 km (0.096 R)
• M30: 36,261,477 km (0.119 R)
• M31: 37,597,086 km (0.052 R)
• M32: 38,551,222 km (0.042 R)
• M33: 39,801,710 km (0.084 R)
• M34: 41,078,977 km (0.118 R)
• M35: 42,237,014 km (0.091 R)
• M36: 46,773,719 km (0.081 R)
• M37: 52,464,272 km (0.08 R)
• M38: 65,000,275 km (0.083 R)

Asteroid Belt

Center: 9.35 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.5

Radius: 6.7

Gravity: 13.13 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 9.33 AU - 11.27 AU

Year: 21685 Days

Day: 16.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,384,990 km

• M1: 83,326 km (0.099 R)
• M2: 346,020 km (0.111 R)
• M3: 1,036,115 km (0.112 R)
• M4: 1,831,078 km (0.044 R)
• M5: 2,490,954 km (0.069 R)
• M6: 2,951,865 km (0.08 R)
• M7: 4,336,543 km (0.045 R)
• M8: 4,893,795 km (0.12 R)
• M9: 5,342,140 km (0.106 R)
• M10: 6,672,065 km (0.065 R)
• M11: 6,990,110 km (0.076 R)
• M12: 8,416,675 km (0.088 R)
• M13: 16,155,822 km (0.116 R)
• M14: 19,712,661 km (0.08 R)
• M15: 21,134,589 km (0.044 R)
• M16: 22,929,464 km (0.105 R)
• M17: 24,181,000 km (0.1 R)
• M18: 25,477,415 km (0.092 R)
• M19: 32,921,255 km (0.105 R)
• M20: 38,421,820 km (0.041 R)
• M21: 39,886,831 km (0.1 R)
• M22: 40,783,521 km (0.103 R)
• M23: 43,083,888 km (0.087 R)
• M24: 44,504,918 km (0.084 R)
• M25: 46,776,861 km (0.059 R)
• M26: 48,784,913 km (0.057 R)
• M27: 49,295,790 km (0.117 R)
• M28: 51,199,422 km (0.089 R)
• M29: 52,258,276 km (0.104 R)
• M30: 56,265,405 km (0.119 R)
• M31: 62,052,898 km (0.117 R)
• M32: 68,013,026 km (0.083 R)
• M33: 76,156,386 km (0.103 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: 214 - 12,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit