🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.1

Radius: 12.6

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.85 AU - 0.93 AU

Year: 590 Days

Day: 11.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,531,683 km

• M1: 157,078 km (0.068 R)
• M2: 601,383 km (0.065 R)
• M3: 1,096,702 km (0.048 R)
• M4: 1,627,026 km (0.102 R)
• M5: 2,215,245 km (0.107 R)
• M6: 2,953,062 km (0.111 R)
• M7: 3,787,070 km (0.098 R)
• M8: 4,286,727 km (0.116 R)
• M9: 5,096,351 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.7

Radius: 8

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.38 AU - 1.98 AU

Year: 1531 Days

Day: 8.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,531,683 km

• M1: 99,483 km (0.047 R)
• M2: 387,608 km (0.068 R)
• M3: 750,981 km (0.092 R)
• M4: 1,133,054 km (0.072 R)
• M5: 2,092,725 km (0.069 R)
• M6: 2,373,370 km (0.092 R)
• M7: 2,779,528 km (0.077 R)
• M8: 3,206,331 km (0.061 R)
• M9: 3,648,842 km (0.115 R)
• M10: 4,672,241 km (0.119 R)
• M11: 6,008,449 km (0.12 R)
• M12: 6,260,222 km (0.112 R)
• M13: 6,931,318 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.3

Radius: 10.7

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.58 AU - 3.28 AU

Year: 3525 Days

Day: 10.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,531,683 km

• M1: 133,740 km (0.047 R)
• M2: 486,343 km (0.1 R)
• M3: 1,206,656 km (0.097 R)
• M4: 1,599,650 km (0.059 R)
• M5: 2,296,028 km (0.088 R)
• M6: 2,810,794 km (0.037 R)
• M7: 3,183,891 km (0.093 R)
• M8: 3,907,197 km (0.036 R)
• M9: 4,374,092 km (0.113 R)
• M10: 5,144,072 km (0.029 R)
• M11: 5,785,847 km (0.096 R)
• M12: 6,393,963 km (0.117 R)
• M13: 8,135,282 km (0.068 R)
• M14: 10,172,655 km (0.05 R)
• M15: 12,529,570 km (0.107 R)
• M16: 13,171,494 km (0.097 R)
• M17: 14,922,836 km (0.104 R)
• M18: 16,388,596 km (0.086 R)
• M19: 17,324,181 km (0.117 R)
• M20: 17,776,565 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.8

Radius: 12.3

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.03 AU - 3.05 AU

Year: 3726 Days

Day: 12.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,531,683 km

• M1: 153,188 km (0.077 R)
• M2: 633,996 km (0.049 R)
• M3: 1,043,296 km (0.118 R)
• M4: 1,477,279 km (0.077 R)
• M5: 1,885,382 km (0.094 R)
• M6: 2,511,449 km (0.093 R)
• M7: 3,782,582 km (0.069 R)
• M8: 4,205,196 km (0.058 R)
• M9: 4,784,439 km (0.08 R)
• M10: 6,593,077 km (0.062 R)
• M11: 9,248,290 km (0.034 R)
• M12: 9,895,750 km (0.089 R)
• M13: 10,530,045 km (0.041 R)
• M14: 13,700,023 km (0.056 R)
• M15: 14,595,965 km (0.111 R)
• M16: 16,504,385 km (0.091 R)
• M17: 18,956,294 km (0.11 R)
• M18: 20,001,983 km (0.09 R)
• M19: 20,811,009 km (0.091 R)
• M20: 24,116,224 km (0.089 R)
• M21: 24,648,194 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.7

Radius: 11.2

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.56 AU - 3.84 AU

Year: 4024 Days

Day: 5.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,531,683 km

• M1: 139,425 km (0.102 R)
• M2: 535,261 km (0.116 R)
• M3: 980,764 km (0.047 R)
• M4: 1,454,390 km (0.113 R)
• M5: 1,856,958 km (0.097 R)
• M6: 3,460,049 km (0.092 R)
• M7: 4,013,561 km (0.073 R)
• M8: 5,645,375 km (0.119 R)
• M9: 6,237,782 km (0.091 R)
• M10: 6,594,723 km (0.092 R)
• M11: 7,448,029 km (0.079 R)
• M12: 7,884,406 km (0.12 R)
• M13: 11,303,017 km (0.092 R)
• M14: 12,061,777 km (0.102 R)
• M15: 12,806,775 km (0.12 R)
• M16: 14,543,157 km (0.11 R)
• M17: 14,908,475 km (0.117 R)
• M18: 15,657,512 km (0.104 R)
• M19: 16,600,577 km (0.112 R)
• M20: 19,279,575 km (0.12 R)
• M21: 21,485,994 km (0.088 R)
• M22: 22,303,547 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817.4

Radius: 5.4

Gravity: 28.03 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.66 AU - 5.78 AU

Year: 9616 Days

Day: 20.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,531,683 km

• M1: 67,169 km (0.107 R)
• M2: 269,725 km (0.086 R)
• M3: 709,094 km (0.099 R)
• M4: 1,349,971 km (0.093 R)
• M5: 2,080,757 km (0.109 R)
• M6: 3,209,174 km (0.098 R)
• M7: 4,138,775 km (0.058 R)
• M8: 4,455,473 km (0.058 R)
• M9: 4,913,243 km (0.056 R)
• M10: 5,815,617 km (0.078 R)
• M11: 7,942,899 km (0.026 R)
• M12: 10,277,823 km (0.113 R)
• M13: 10,486,661 km (0.082 R)
• M14: 11,129,782 km (0.094 R)
• M15: 12,435,622 km (0.032 R)
• M16: 13,155,936 km (0.116 R)
• M17: 18,761,368 km (0.053 R)
• M18: 21,355,096 km (0.099 R)
• M19: 23,450,513 km (0.094 R)
• M20: 25,393,042 km (0.1 R)
• M21: 25,870,857 km (0.102 R)
• M22: 30,659,485 km (0.112 R)
• M23: 30,983,813 km (0.11 R)
• M24: 36,974,759 km (0.058 R)
• M25: 38,208,942 km (0.112 R)
• M26: 43,421,231 km (0.075 R)
• M27: 48,354,071 km (0.119 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 15,453 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit