🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.8

Radius: 12.1

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.54 AU - 0.82 AU

Year: 362 Days

Day: 8.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 124.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,435,756 km

• M1: 150,495 km (0.066 R)
• M2: 560,992 km (0.116 R)
• M3: 1,367,773 km (0.109 R)
• M4: 1,928,317 km (0.118 R)
• M5: 2,707,721 km (0.081 R)
• M6: 3,093,834 km (0.095 R)
• M7: 3,992,019 km (0.098 R)
• M8: 4,467,142 km (0.053 R)
• M9: 5,450,449 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.5

Radius: 12.9

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.82 AU - 1.08 AU

Year: 598 Days

Day: 8.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,435,756 km

• M1: 160,519 km (0.061 R)
• M2: 692,489 km (0.116 R)
• M3: 1,213,688 km (0.084 R)
• M4: 3,220,244 km (0.073 R)
• M5: 3,631,488 km (0.098 R)
• M6: 4,078,188 km (0.099 R)
• M7: 4,642,920 km (0.119 R)
• M8: 5,153,198 km (0.078 R)
• M9: 5,569,529 km (0.119 R)
• M10: 6,166,424 km (0.088 R)
• M11: 7,043,068 km (0.101 R)
• M12: 7,672,426 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36

Radius: 14.9

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.18 AU - 3 AU

Year: 2691 Days

Day: 9 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 73,435,756 km

• M1: 187,745 km (0.105 R)
• M2: 2,162,138 km (0.111 R)
• M3: 4,811,666 km (0.109 R)
• M4: 6,151,464 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.3

Radius: 12.8

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3 AU - 3.6 AU

Year: 3871 Days

Day: 5.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,435,756 km

• M1: 159,172 km (0.081 R)
• M2: 587,770 km (0.104 R)
• M3: 1,190,051 km (0.109 R)
• M4: 1,645,876 km (0.101 R)
• M5: 2,190,562 km (0.117 R)
• M6: 3,049,253 km (0.073 R)
• M7: 3,546,966 km (0.096 R)
• M8: 5,429,954 km (0.043 R)
• M9: 6,284,607 km (0.079 R)
• M10: 6,807,601 km (0.119 R)
• M11: 7,595,533 km (0.089 R)
• M12: 8,443,154 km (0.1 R)
• M13: 10,118,800 km (0.1 R)
• M14: 10,538,422 km (0.099 R)
• M15: 11,057,227 km (0.089 R)
• M16: 14,222,419 km (0.068 R)
• M17: 16,815,399 km (0.099 R)
• M18: 19,579,369 km (0.084 R)
• M19: 22,349,623 km (0.054 R)
• M20: 24,610,944 km (0.101 R)
• M21: 26,384,277 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.8

Radius: 9.8

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.52 AU - 3.72 AU

Year: 4447 Days

Day: 6.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,435,756 km

• M1: 123,867 km (0.092 R)
• M2: 506,538 km (0.078 R)
• M3: 889,210 km (0.061 R)
• M4: 1,915,152 km (0.07 R)
• M5: 3,575,389 km (0.078 R)
• M6: 5,008,238 km (0.104 R)
• M7: 6,005,457 km (0.101 R)
• M8: 7,036,336 km (0.108 R)
• M9: 8,565,376 km (0.097 R)
• M10: 11,558,829 km (0.069 R)
• M11: 12,222,744 km (0.066 R)
• M12: 12,911,942 km (0.057 R)
• M13: 13,821,796 km (0.083 R)
• M14: 17,660,178 km (0.071 R)
• M15: 19,266,261 km (0.083 R)
• M16: 20,709,282 km (0.089 R)
• M17: 21,358,686 km (0.116 R)
• M18: 22,835,068 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.4

Radius: 5.9

Gravity: 16.33 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 9.86 AU - 10.4 AU

Year: 20818 Days

Day: 21.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,435,756 km

• M1: 73,303 km (0.085 R)
• M2: 402,867 km (0.085 R)
• M3: 687,103 km (0.106 R)
• M4: 920,177 km (0.09 R)
• M5: 2,322,956 km (0.117 R)
• M6: 3,218,748 km (0.096 R)
• M7: 3,729,475 km (0.075 R)
• M8: 4,292,561 km (0.092 R)
• M9: 4,839,342 km (0.089 R)
• M10: 5,129,561 km (0.118 R)
• M11: 5,825,191 km (0.082 R)
• M12: 6,280,119 km (0.038 R)
• M13: 7,075,381 km (0.077 R)
• M14: 7,354,830 km (0.082 R)
• M15: 9,243,652 km (0.102 R)
• M16: 10,270,193 km (0.118 R)
• M17: 13,517,065 km (0.1 R)
• M18: 14,093,167 km (0.109 R)
• M19: 14,685,425 km (0.069 R)
• M20: 15,217,245 km (0.048 R)
• M21: 19,850,889 km (0.032 R)
• M22: 24,278,538 km (0.111 R)
• M23: 26,776,822 km (0.083 R)
• M24: 33,435,423 km (0.035 R)
• M25: 34,887,570 km (0.112 R)
• M26: 38,059,045 km (0.097 R)
• M27: 44,336,620 km (0.055 R)
• M28: 46,736,020 km (0.074 R)
• M29: 47,062,293 km (0.116 R)
• M30: 50,409,396 km (0.107 R)
• M31: 51,791,531 km (0.093 R)
• M32: 55,175,135 km (0.111 R)
• M33: 69,545,058 km (0.12 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 16,777 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit