🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.7

Radius: 11.9

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.91 AU - 0.99 AU

Year: 598 Days

Day: 6.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,661,833 km

• M1: 148,251 km (0.098 R)
• M2: 1,133,653 km (0.116 R)
• M3: 1,527,245 km (0.064 R)
• M4: 2,043,208 km (0.06 R)
• M5: 2,585,350 km (0.104 R)
• M6: 3,463,789 km (0.059 R)
• M7: 4,153,286 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.8

Radius: 9

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.82 AU - 1.26 AU

Year: 685 Days

Day: 5.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,661,833 km

• M1: 117,883 km (0.103 R)
• M2: 644,168 km (0.047 R)
• M3: 1,701,526 km (0.107 R)
• M4: 2,153,312 km (0.042 R)
• M5: 2,439,492 km (0.076 R)
• M6: 2,768,309 km (0.074 R)
• M7: 3,098,920 km (0.066 R)
• M8: 3,416,067 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.2

Radius: 11.3

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.11 AU - 2.21 AU

Year: 2050 Days

Day: 11.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,661,833 km

• M1: 141,071 km (0.114 R)
• M2: 532,269 km (0.111 R)
• M3: 2,064,301 km (0.066 R)
• M4: 2,702,336 km (0.056 R)
• M5: 3,362,960 km (0.05 R)
• M6: 4,266,681 km (0.105 R)
• M7: 5,065,085 km (0.084 R)
• M8: 6,692,710 km (0.11 R)
• M9: 8,392,141 km (0.098 R)
• M10: 9,735,680 km (0.1 R)
• M11: 10,458,986 km (0.056 R)
• M12: 11,217,596 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.6

Radius: 13.3

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.83 AU - 7.09 AU

Year: 9395 Days

Day: 11.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,661,833 km

• M1: 165,605 km (0.092 R)
• M2: 830,717 km (0.087 R)
• M3: 1,542,055 km (0.047 R)
• M4: 2,595,822 km (0.064 R)
• M5: 3,660,660 km (0.092 R)
• M6: 4,194,874 km (0.101 R)
• M7: 5,692,797 km (0.046 R)
• M8: 9,179,774 km (0.117 R)
• M9: 11,398,610 km (0.113 R)
• M10: 12,019,441 km (0.073 R)
• M11: 15,197,498 km (0.108 R)
• M12: 15,673,519 km (0.049 R)
• M13: 20,091,742 km (0.068 R)
• M14: 20,748,626 km (0.111 R)
• M15: 21,250,527 km (0.089 R)
• M16: 24,620,668 km (0.11 R)
• M17: 30,859,198 km (0.052 R)
• M18: 33,304,675 km (0.087 R)
• M19: 37,211,274 km (0.058 R)
• M20: 39,338,406 km (0.079 R)
• M21: 39,850,479 km (0.097 R)
• M22: 42,076,496 km (0.087 R)
• M23: 43,152,254 km (0.116 R)
• M24: 46,918,530 km (0.104 R)
• M25: 49,547,712 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.4

Radius: 6.8

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.37 AU - 8.15 AU

Year: 11348 Days

Day: 17.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 42,661,833 km

• M1: 84,523 km (0.04 R)
• M2: 391,797 km (0.102 R)
• M3: 620,981 km (0.097 R)
• M4: 832,961 km (0.057 R)
• M5: 1,052,421 km (0.11 R)
• M6: 1,475,933 km (0.118 R)
• M7: 2,193,554 km (0.08 R)
• M8: 3,079,173 km (0.107 R)
• M9: 3,351,291 km (0.085 R)
• M10: 3,739,049 km (0.086 R)
• M11: 4,546,429 km (0.104 R)
• M12: 5,629,218 km (0.114 R)
• M13: 5,864,985 km (0.119 R)
• M14: 7,581,620 km (0.068 R)
• M15: 8,037,146 km (0.079 R)
• M16: 8,957,322 km (0.079 R)
• M17: 9,419,280 km (0.031 R)
• M18: 11,109,736 km (0.082 R)
• M19: 11,427,781 km (0.101 R)
• M20: 11,916,218 km (0.107 R)
• M21: 14,256,677 km (0.045 R)
• M22: 14,632,467 km (0.083 R)
• M23: 14,886,484 km (0.114 R)
• M24: 16,269,217 km (0.082 R)
• M25: 18,243,161 km (0.098 R)
• M26: 19,516,688 km (0.1 R)
• M27: 20,057,783 km (0.081 R)
• M28: 20,608,902 km (0.114 R)
• M29: 23,344,000 km (0.097 R)
• M30: 27,546,952 km (0.039 R)
• M31: 29,623,071 km (0.119 R)
• M32: 30,440,773 km (0.11 R)
• M33: 32,121,056 km (0.072 R)
• M34: 32,983,937 km (0.116 R)
• M35: 33,421,062 km (0.082 R)
• M36: 33,751,524 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 222.9

Radius: 5.8

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.81 AU - 8.27 AU

Year: 14720 Days

Day: 17.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,661,833 km

• M1: 72,256 km (0.108 R)
• M2: 455,376 km (0.042 R)
• M3: 660,923 km (0.069 R)
• M4: 1,644,829 km (0.117 R)
• M5: 2,282,265 km (0.107 R)
• M6: 3,227,574 km (0.093 R)
• M7: 4,110,501 km (0.09 R)
• M8: 4,550,618 km (0.086 R)
• M9: 8,001,093 km (0.1 R)
• M10: 10,027,246 km (0.106 R)
• M11: 12,372,193 km (0.034 R)
• M12: 15,122,998 km (0.08 R)
• M13: 15,705,233 km (0.03 R)
• M14: 16,572,303 km (0.071 R)
• M15: 18,183,771 km (0.032 R)
• M16: 18,915,903 km (0.089 R)
• M17: 21,150,297 km (0.111 R)
• M18: 23,900,055 km (0.093 R)
• M19: 25,951,640 km (0.107 R)
• M20: 31,016,575 km (0.093 R)
• M21: 31,431,560 km (0.103 R)
• M22: 32,698,504 km (0.103 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 10,685 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit