🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.51 AU - 0.67 AU

Year: 297 Days

Day: 12.6 Hours

Environment

Temp: -124 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,951,405 km

• M1: 161,416 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.1

Radius: 14.4

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.66 AU - 0.96 AU

Year: 478 Days

Day: 12.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,951,405 km

• M1: 179,069 km (0.12 R)
• M2: 703,409 km (0.118 R)
• M3: 1,187,209 km (0.096 R)
• M4: 1,653,056 km (0.1 R)
• M5: 2,435,154 km (0.06 R)
• M6: 2,940,945 km (0.1 R)
• M7: 3,806,368 km (0.087 R)
• M8: 4,344,023 km (0.065 R)
• M9: 4,883,922 km (0.113 R)
• M10: 5,485,904 km (0.108 R)
• M11: 6,231,798 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.9

Radius: 9

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.85 AU - 1.29 AU

Year: 726 Days

Day: 9.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,951,405 km

• M1: 111,899 km (0.116 R)
• M2: 397,182 km (0.053 R)
• M3: 806,931 km (0.105 R)
• M4: 1,179,130 km (0.103 R)
• M5: 1,491,940 km (0.102 R)
• M6: 1,773,483 km (0.058 R)
• M7: 2,269,101 km (0.072 R)
• M8: 3,125,848 km (0.108 R)
• M9: 3,537,541 km (0.098 R)
• M10: 4,091,203 km (0.118 R)
• M11: 4,502,597 km (0.103 R)
• M12: 5,334,660 km (0.11 R)
• M13: 5,963,869 km (0.098 R)
• M14: 6,535,781 km (0.086 R)
• M15: 7,010,306 km (0.114 R)
• M16: 7,741,540 km (0.102 R)
• M17: 8,150,092 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.1

Radius: 12.7

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.09 AU - 1.53 AU

Year: 984 Days

Day: 9.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,951,405 km

• M1: 157,975 km (0.06 R)
• M2: 654,042 km (0.051 R)
• M3: 1,108,071 km (0.109 R)
• M4: 1,573,022 km (0.065 R)
• M5: 2,121,896 km (0.047 R)
• M6: 4,356,440 km (0.116 R)
• M7: 4,857,892 km (0.084 R)
• M8: 6,393,215 km (0.114 R)
• M9: 7,129,835 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.9

Radius: 8.7

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.02 AU - 1.68 AU

Year: 1029 Days

Day: 7.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,951,405 km

• M1: 108,159 km (0.073 R)
• M2: 599,738 km (0.082 R)
• M3: 1,045,540 km (0.106 R)
• M4: 1,344,885 km (0.109 R)
• M5: 1,760,019 km (0.092 R)
• M6: 2,147,029 km (0.101 R)
• M7: 2,476,443 km (0.106 R)
• M8: 2,985,824 km (0.111 R)
• M9: 4,001,893 km (0.12 R)
• M10: 4,836,649 km (0.038 R)
• M11: 5,295,316 km (0.038 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.3

Radius: 5.6

Gravity: 24.98 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.57 AU - 6.91 AU

Year: 11479 Days

Day: 21.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,951,405 km

• M1: 72,854 km (0.08 R)
• M2: 325,226 km (0.068 R)
• M3: 630,405 km (0.095 R)
• M4: 866,920 km (0.066 R)
• M5: 1,114,205 km (0.063 R)
• M6: 1,353,562 km (0.077 R)
• M7: 2,323,255 km (0.089 R)
• M8: 3,529,612 km (0.096 R)
• M9: 3,852,145 km (0.118 R)
• M10: 4,776,660 km (0.106 R)
• M11: 5,695,191 km (0.107 R)
• M12: 5,951,452 km (0.066 R)
• M13: 6,139,197 km (0.076 R)
• M14: 6,847,843 km (0.089 R)
• M15: 7,875,879 km (0.074 R)
• M16: 9,250,534 km (0.056 R)
• M17: 12,588,062 km (0.033 R)
• M18: 15,351,135 km (0.086 R)
• M19: 16,355,236 km (0.11 R)
• M20: 16,650,093 km (0.091 R)
• M21: 16,948,392 km (0.085 R)
• M22: 18,733,244 km (0.068 R)
• M23: 22,219,024 km (0.106 R)
• M24: 25,914,091 km (0.12 R)
• M25: 27,128,527 km (0.118 R)
• M26: 28,274,596 km (0.057 R)
• M27: 28,699,304 km (0.098 R)
• M28: 33,536,551 km (0.081 R)
• M29: 33,773,963 km (0.083 R)
• M30: 34,855,855 km (0.108 R)
• M31: 35,344,143 km (0.064 R)
• M32: 39,020,959 km (0.09 R)
• M33: 40,345,798 km (0.056 R)
• M34: 43,506,053 km (0.066 R)
• M35: 51,565,937 km (0.113 R)
• M36: 53,482,884 km (0.101 R)
• M37: 53,969,377 km (0.091 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 19,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit