🌌 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 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.6

Radius: 12.1

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.54 AU - 0.58 AU

Year: 279 Days

Day: 11.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,671,849 km

• M1: 150,495 km (0.093 R)
• M2: 574,456 km (0.071 R)
• M3: 972,237 km (0.052 R)
• M4: 1,368,970 km (0.069 R)
• M5: 1,805,646 km (0.113 R)
• M6: 2,378,307 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.7

Radius: 10.6

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.63 AU - 0.65 AU

Year: 341 Days

Day: 8 Hours

Environment

Temp: -154 °C

Axial Tilt: 176.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 50,671,849 km

• M1: 131,796 km (0.086 R)
• M2: 597,344 km (0.102 R)
• M3: 944,112 km (0.043 R)
• M4: 1,574,368 km (0.108 R)

Asteroid Belt

Center: 1.75 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.4

Radius: 9.9

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.76 AU - 2.94 AU

Year: 3208 Days

Day: 12.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,671,849 km

• M1: 123,119 km (0.104 R)
• M2: 562,189 km (0.111 R)
• M3: 1,355,357 km (0.073 R)
• M4: 1,777,971 km (0.085 R)
• M5: 4,070,857 km (0.12 R)
• M6: 6,660,995 km (0.108 R)
• M7: 7,629,192 km (0.091 R)
• M8: 8,656,780 km (0.108 R)
• M9: 9,369,464 km (0.112 R)
• M10: 9,740,168 km (0.119 R)
• M11: 11,588,599 km (0.063 R)
• M12: 13,362,082 km (0.072 R)
• M13: 15,588,996 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.7

Radius: 9.7

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.5 AU - 4.16 AU

Year: 4052 Days

Day: 9.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,671,849 km

• M1: 120,725 km (0.117 R)
• M2: 435,031 km (0.097 R)
• M3: 841,638 km (0.098 R)
• M4: 1,223,711 km (0.107 R)
• M5: 1,697,337 km (0.117 R)
• M6: 2,803,614 km (0.119 R)
• M7: 3,162,499 km (0.076 R)
• M8: 3,613,237 km (0.12 R)
• M9: 4,173,930 km (0.117 R)
• M10: 5,523,752 km (0.034 R)
• M11: 5,916,895 km (0.055 R)
• M12: 6,358,807 km (0.103 R)
• M13: 8,423,557 km (0.086 R)
• M14: 8,869,658 km (0.079 R)
• M15: 9,449,350 km (0.12 R)
• M16: 11,838,876 km (0.029 R)
• M17: 12,494,115 km (0.082 R)
• M18: 12,927,949 km (0.082 R)
• M19: 13,572,416 km (0.08 R)
• M20: 14,237,977 km (0.052 R)
• M21: 14,871,524 km (0.096 R)
• M22: 20,436,116 km (0.085 R)
• M23: 21,038,846 km (0.098 R)
• M24: 21,584,430 km (0.1 R)
• M25: 25,982,457 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.7

Radius: 13.5

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.08 AU - 5.46 AU

Year: 8068 Days

Day: 9.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,671,849 km

• M1: 168,746 km (0.112 R)
• M2: 695,780 km (0.08 R)
• M3: 1,187,957 km (0.119 R)
• M4: 1,640,939 km (0.048 R)
• M5: 2,351,379 km (0.103 R)
• M6: 3,374,030 km (0.114 R)
• M7: 4,145,507 km (0.119 R)
• M8: 4,732,828 km (0.047 R)
• M9: 7,102,907 km (0.059 R)
• M10: 7,577,431 km (0.118 R)
• M11: 8,242,992 km (0.119 R)
• M12: 9,221,811 km (0.028 R)
• M13: 11,570,947 km (0.083 R)
• M14: 12,118,176 km (0.044 R)
• M15: 12,971,482 km (0.104 R)
• M16: 16,929,393 km (0.025 R)
• M17: 18,141,435 km (0.047 R)
• M18: 20,028,013 km (0.038 R)
• M19: 25,266,033 km (0.062 R)
• M20: 26,847,731 km (0.029 R)
• M21: 29,191,930 km (0.096 R)
• M22: 31,669,570 km (0.065 R)
• M23: 32,310,298 km (0.096 R)
• M24: 33,507,380 km (0.119 R)
• M25: 34,284,391 km (0.096 R)
• M26: 35,073,370 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.7

Radius: 3.3

Gravity: 22.1 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.21 AU - 11.01 AU

Year: 18336 Days

Day: 23.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,671,849 km

• M1: 55,650 km (0.091 R)
• M2: 225,893 km (0.094 R)
• M3: 1,354,160 km (0.087 R)
• M4: 1,731,446 km (0.072 R)
• M5: 2,819,321 km (0.119 R)
• M6: 3,305,814 km (0.105 R)
• M7: 3,633,732 km (0.1 R)
• M8: 3,819,084 km (0.12 R)
• M9: 4,010,569 km (0.099 R)
• M10: 6,796,830 km (0.088 R)
• M11: 9,666,416 km (0.079 R)
• M12: 10,492,495 km (0.084 R)
• M13: 13,127,812 km (0.085 R)
• M14: 15,612,333 km (0.098 R)
• M15: 32,923,799 km (0.099 R)
• M16: 38,320,841 km (0.074 R)
• M17: 46,824,433 km (0.088 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: 188 - 16,074 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit