🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.8

Radius: 8.6

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.65 AU - 0.71 AU

Year: 374 Days

Day: 10.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,831,678 km

• M1: 106,962 km (0.1 R)
• M2: 428,598 km (0.057 R)
• M3: 944,411 km (0.104 R)
• M4: 1,311,225 km (0.062 R)
• M5: 2,368,134 km (0.119 R)
• M6: 2,937,953 km (0.099 R)
• M7: 3,279,485 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.4

Radius: 9.7

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.68 AU - 1.02 AU

Year: 523 Days

Day: 7.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,831,678 km

• M1: 120,576 km (0.093 R)
• M2: 456,124 km (0.079 R)
• M3: 888,312 km (0.059 R)
• M4: 1,419,833 km (0.103 R)
• M5: 1,740,422 km (0.11 R)
• M6: 2,042,011 km (0.04 R)
• M7: 2,551,092 km (0.075 R)
• M8: 3,942,502 km (0.119 R)
• M9: 4,283,885 km (0.105 R)
• M10: 4,615,394 km (0.066 R)
• M11: 5,680,680 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.2

Radius: 14

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.05 AU - 1.41 AU

Year: 910 Days

Day: 7.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,831,678 km

• M1: 176,376 km (0.055 R)
• M2: 617,989 km (0.066 R)
• M3: 1,072,617 km (0.04 R)
• M4: 1,568,085 km (0.111 R)
• M5: 2,025,555 km (0.065 R)
• M6: 2,504,119 km (0.045 R)
• M7: 3,019,334 km (0.069 R)
• M8: 4,751,976 km (0.106 R)
• M9: 5,710,899 km (0.117 R)
• M10: 8,141,715 km (0.095 R)
• M11: 9,427,658 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.3

Radius: 9.9

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.27 AU - 2.03 AU

Year: 1413 Days

Day: 12.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,831,678 km

• M1: 123,119 km (0.087 R)
• M2: 511,774 km (0.1 R)
• M3: 825,780 km (0.087 R)
• M4: 1,161,478 km (0.083 R)
• M5: 1,842,597 km (0.1 R)
• M6: 2,261,621 km (0.099 R)
• M7: 2,649,827 km (0.072 R)
• M8: 2,995,249 km (0.108 R)
• M9: 3,402,155 km (0.085 R)
• M10: 3,727,081 km (0.102 R)
• M11: 4,909,802 km (0.105 R)
• M12: 5,499,667 km (0.081 R)
• M13: 6,042,258 km (0.095 R)
• M14: 6,973,954 km (0.102 R)
• M15: 7,942,301 km (0.03 R)
• M16: 10,547,398 km (0.098 R)
• M17: 11,031,197 km (0.101 R)
• M18: 11,894,676 km (0.08 R)
• M19: 12,381,019 km (0.101 R)
• M20: 13,194,532 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.7

Radius: 14

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.94 AU - 2.62 AU

Year: 2296 Days

Day: 9.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,831,678 km

• M1: 174,431 km (0.045 R)
• M2: 645,814 km (0.103 R)
• M3: 1,468,303 km (0.036 R)
• M4: 2,158,248 km (0.051 R)
• M5: 3,209,323 km (0.076 R)
• M6: 3,648,542 km (0.08 R)
• M7: 4,383,816 km (0.111 R)
• M8: 5,455,236 km (0.115 R)
• M9: 5,934,398 km (0.086 R)
• M10: 6,906,335 km (0.086 R)
• M11: 8,193,924 km (0.082 R)
• M12: 8,768,530 km (0.099 R)
• M13: 9,606,128 km (0.092 R)
• M14: 10,183,426 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.9

Radius: 12.4

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.96 AU - 6.04 AU

Year: 7456 Days

Day: 10.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,831,678 km

• M1: 154,385 km (0.105 R)
• M2: 640,728 km (0.108 R)
• M3: 2,801,370 km (0.079 R)
• M4: 3,203,040 km (0.063 R)
• M5: 6,031,487 km (0.071 R)
• M6: 7,473,461 km (0.115 R)
• M7: 8,296,548 km (0.118 R)
• M8: 9,088,370 km (0.101 R)
• M9: 10,873,521 km (0.112 R)
• M10: 13,464,856 km (0.116 R)
• M11: 14,434,100 km (0.079 R)
• M12: 16,308,412 km (0.1 R)
• M13: 18,706,765 km (0.115 R)
• M14: 21,737,019 km (0.037 R)
• M15: 24,990,773 km (0.115 R)
• M16: 25,623,722 km (0.096 R)
• M17: 29,749,033 km (0.116 R)
• M18: 30,974,987 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.2

Radius: 7.6

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.6 AU - 8.16 AU

Year: 14751 Days

Day: 23 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,831,678 km

• M1: 94,695 km (0.108 R)
• M2: 405,560 km (0.08 R)
• M3: 1,012,778 km (0.068 R)
• M4: 1,702,125 km (0.115 R)
• M5: 2,080,308 km (0.108 R)
• M6: 2,346,592 km (0.114 R)
• M7: 4,061,732 km (0.059 R)
• M8: 4,660,722 km (0.12 R)
• M9: 4,981,759 km (0.098 R)
• M10: 7,262,827 km (0.034 R)
• M11: 7,549,157 km (0.068 R)
• M12: 8,492,522 km (0.083 R)
• M13: 17,529,430 km (0.077 R)
• M14: 20,000,787 km (0.075 R)
• M15: 27,305,202 km (0.066 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 13,226 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit