🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.4

Radius: 11.9

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.4 AU - 0.64 AU

Year: 264 Days

Day: 13.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,893,814 km

• M1: 147,952 km (0.079 R)
• M2: 550,221 km (0.101 R)
• M3: 1,107,024 km (0.091 R)
• M4: 1,892,563 km (0.12 R)
• M5: 2,458,641 km (0.119 R)
• M6: 2,857,619 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.9

Radius: 13.6

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.53 AU - 0.59 AU

Year: 295 Days

Day: 12.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,893,814 km

• M1: 169,195 km (0.092 R)
• M2: 797,207 km (0.1 R)
• M3: 1,244,804 km (0.086 R)
• M4: 1,691,354 km (0.074 R)
• M5: 2,132,966 km (0.101 R)
• M6: 3,639,267 km (0.086 R)
• M7: 4,401,768 km (0.098 R)
• M8: 4,972,633 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.3

Radius: 13.1

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.56 AU - 0.66 AU

Year: 335 Days

Day: 5.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,893,814 km

• M1: 162,912 km (0.076 R)
• M2: 599,887 km (0.093 R)
• M3: 1,061,397 km (0.101 R)
• M4: 1,991,746 km (0.076 R)
• M5: 2,402,542 km (0.089 R)
• M6: 3,132,430 km (0.111 R)
• M7: 4,780,101 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.9

Radius: 11.3

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.48 AU - 1.58 AU

Year: 1330 Days

Day: 6.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,893,814 km

• M1: 140,472 km (0.058 R)
• M2: 520,451 km (0.073 R)
• M3: 916,586 km (0.084 R)
• M4: 1,650,065 km (0.111 R)
• M5: 2,131,770 km (0.074 R)
• M6: 3,694,170 km (0.092 R)
• M7: 4,056,795 km (0.118 R)
• M8: 4,943,312 km (0.096 R)
• M9: 5,616,054 km (0.119 R)
• M10: 6,056,470 km (0.061 R)
• M11: 6,412,662 km (0.08 R)
• M12: 8,154,730 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.2

Radius: 9.7

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.88 AU - 2.66 AU

Year: 2404 Days

Day: 5.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,893,814 km

• M1: 121,324 km (0.087 R)
• M2: 501,153 km (0.069 R)
• M3: 857,196 km (0.099 R)
• M4: 1,434,494 km (0.087 R)
• M5: 1,931,159 km (0.112 R)
• M6: 2,309,492 km (0.04 R)
• M7: 2,913,119 km (0.109 R)
• M8: 4,455,773 km (0.053 R)
• M9: 5,050,424 km (0.042 R)
• M10: 5,441,922 km (0.051 R)
• M11: 7,713,117 km (0.099 R)
• M12: 8,167,296 km (0.07 R)
• M13: 9,490,489 km (0.105 R)
• M14: 12,033,503 km (0.079 R)
• M15: 13,461,564 km (0.025 R)
• M16: 14,555,723 km (0.094 R)
• M17: 17,246,091 km (0.073 R)
• M18: 18,023,701 km (0.089 R)
• M19: 19,057,422 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.5

Radius: 14.1

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.72 AU - 4.68 AU

Year: 6050 Days

Day: 6.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,893,814 km

• M1: 178,171 km (0.084 R)
• M2: 886,367 km (0.079 R)
• M3: 1,944,623 km (0.082 R)
• M4: 2,575,028 km (0.084 R)
• M5: 3,340,072 km (0.085 R)
• M6: 4,402,815 km (0.115 R)
• M7: 5,296,213 km (0.102 R)
• M8: 7,553,645 km (0.077 R)
• M9: 8,352,947 km (0.1 R)
• M10: 9,040,798 km (0.082 R)
• M11: 11,237,044 km (0.11 R)
• M12: 12,485,289 km (0.116 R)
• M13: 15,735,452 km (0.04 R)
• M14: 16,660,266 km (0.111 R)
• M15: 18,015,473 km (0.115 R)
• M16: 19,234,397 km (0.098 R)
• M17: 20,006,022 km (0.094 R)
• M18: 20,652,734 km (0.109 R)
• M19: 21,239,158 km (0.115 R)
• M20: 21,686,156 km (0.063 R)
• M21: 25,325,872 km (0.114 R)
• M22: 28,175,413 km (0.095 R)
• M23: 30,471,889 km (0.107 R)
• M24: 31,811,239 km (0.1 R)
• M25: 32,593,935 km (0.116 R)
• M26: 33,189,335 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 594.5

Radius: 7.6

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.69 AU - 9.49 AU

Year: 17697 Days

Day: 24.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,893,814 km

• M1: 94,695 km (0.098 R)
• M2: 531,372 km (0.088 R)
• M3: 907,311 km (0.089 R)
• M4: 1,323,642 km (0.038 R)
• M5: 1,576,612 km (0.115 R)
• M6: 1,989,801 km (0.101 R)
• M7: 3,057,930 km (0.096 R)
• M8: 4,938,226 km (0.067 R)
• M9: 5,746,054 km (0.056 R)
• M10: 7,762,484 km (0.089 R)
• M11: 8,295,052 km (0.075 R)
• M12: 10,381,045 km (0.098 R)
• M13: 12,860,031 km (0.067 R)
• M14: 13,467,848 km (0.054 R)
• M15: 16,246,927 km (0.08 R)
• M16: 18,186,464 km (0.114 R)
• M17: 18,780,068 km (0.06 R)
• M18: 20,095,482 km (0.113 R)
• M19: 20,821,630 km (0.034 R)
• M20: 21,191,137 km (0.094 R)
• M21: 27,273,038 km (0.116 R)
• M22: 27,938,599 km (0.092 R)
• M23: 28,388,290 km (0.032 R)
• M24: 42,730,986 km (0.111 R)
• M25: 45,616,430 km (0.095 R)
• M26: 46,239,954 km (0.089 R)
• M27: 47,663,826 km (0.096 R)
• M28: 50,598,637 km (0.118 R)
• M29: 51,771,784 km (0.118 R)
• M30: 52,791,742 km (0.119 R)
• M31: 64,322,297 km (0.116 R)
• M32: 65,106,489 km (0.068 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 13,170 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit