🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.5 AU - 0.62 AU

Year: 271 Days

Day: 44.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 132 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 21,382,738 km

• M1: 102,026 km (0.105 R)
• M2: 499,657 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.1

Radius: 12.6

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.59 AU - 0.81 AU

Year: 378 Days

Day: 9.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,382,738 km

• M1: 157,227 km (0.077 R)
• M2: 556,953 km (0.082 R)
• M3: 1,012,478 km (0.108 R)
• M4: 2,326,696 km (0.073 R)
• M5: 2,790,150 km (0.09 R)
• M6: 3,445,837 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.9

Radius: 11.2

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.06 AU - 1.1 AU

Year: 725 Days

Day: 5.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,382,738 km

• M1: 145,260 km (0.114 R)
• M2: 530,474 km (0.108 R)
• M3: 1,051,523 km (0.104 R)
• M4: 1,895,106 km (0.112 R)
• M5: 3,230,716 km (0.082 R)
• M6: 4,195,023 km (0.072 R)
• M7: 4,910,251 km (0.086 R)
• M8: 7,065,657 km (0.067 R)
• M9: 7,437,557 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.9

Radius: 8.7

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.95 AU - 1.39 AU

Year: 817 Days

Day: 6.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,382,738 km

• M1: 108,159 km (0.092 R)
• M2: 504,743 km (0.114 R)
• M3: 819,048 km (0.118 R)
• M4: 1,138,440 km (0.097 R)
• M5: 1,693,448 km (0.077 R)
• M6: 2,078,662 km (0.113 R)
• M7: 2,474,648 km (0.114 R)
• M8: 2,962,487 km (0.044 R)
• M9: 3,513,156 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.3

Radius: 12.9

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.68 AU - 2.1 AU

Year: 1678 Days

Day: 6.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,382,738 km

• M1: 160,967 km (0.1 R)
• M2: 620,382 km (0.076 R)
• M3: 1,232,537 km (0.037 R)
• M4: 1,815,370 km (0.081 R)
• M5: 2,331,632 km (0.113 R)
• M6: 3,299,680 km (0.089 R)
• M7: 5,663,775 km (0.114 R)
• M8: 6,291,787 km (0.102 R)
• M9: 6,727,117 km (0.057 R)
• M10: 8,581,383 km (0.092 R)
• M11: 9,312,767 km (0.058 R)
• M12: 9,778,016 km (0.118 R)
• M13: 11,009,655 km (0.11 R)
• M14: 11,758,393 km (0.112 R)
• M15: 12,985,993 km (0.037 R)
• M16: 15,052,837 km (0.031 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.9

Radius: 11.4

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.16 AU - 3.28 AU

Year: 3731 Days

Day: 9.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 21,382,738 km

• M1: 143,464 km (0.095 R)
• M2: 555,158 km (0.105 R)
• M3: 1,191,697 km (0.111 R)
• M4: 1,818,811 km (0.078 R)
• M5: 2,319,066 km (0.091 R)
• M6: 3,009,460 km (0.052 R)
• M7: 3,505,078 km (0.068 R)
• M8: 4,416,129 km (0.116 R)
• M9: 5,657,941 km (0.104 R)
• M10: 6,388,278 km (0.115 R)
• M11: 9,319,648 km (0.106 R)
• M12: 9,763,655 km (0.072 R)
• M13: 10,456,143 km (0.108 R)
• M14: 12,025,574 km (0.11 R)
• M15: 12,597,038 km (0.063 R)
• M16: 13,652,152 km (0.096 R)
• M17: 14,371,568 km (0.027 R)
• M18: 14,865,092 km (0.061 R)
• M19: 16,413,579 km (0.102 R)
• M20: 16,844,122 km (0.057 R)
• M21: 17,784,195 km (0.1 R)
• M22: 19,289,000 km (0.049 R)
• M23: 20,502,987 km (0.106 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 11,061 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit