🌌 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 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.1

Radius: 8.6

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.5 AU - 0.7 AU

Year: 315 Days

Day: 5.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,954,714 km

• M1: 113,994 km (0.085 R)
• M2: 404,513 km (0.109 R)
• M3: 721,211 km (0.088 R)
• M4: 1,397,095 km (0.047 R)
• M5: 2,247,409 km (0.118 R)
• M6: 2,836,824 km (0.107 R)
• M7: 3,439,405 km (0.042 R)
• M8: 3,921,708 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.2

Radius: 13.8

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.56 AU - 0.84 AU

Year: 397 Days

Day: 5.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,954,714 km

• M1: 171,888 km (0.077 R)
• M2: 686,205 km (0.102 R)
• M3: 1,161,927 km (0.099 R)
• M4: 1,696,141 km (0.098 R)
• M5: 2,207,616 km (0.069 R)
• M6: 2,979,840 km (0.072 R)
• M7: 3,747,277 km (0.11 R)
• M8: 4,513,069 km (0.112 R)
• M9: 5,033,520 km (0.11 R)
• M10: 5,711,048 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.4

Radius: 9

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.89 AU - 0.99 AU

Year: 618 Days

Day: 6.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,954,714 km

• M1: 112,198 km (0.089 R)
• M2: 464,801 km (0.101 R)
• M3: 930,050 km (0.111 R)
• M4: 1,565,243 km (0.12 R)
• M5: 2,067,443 km (0.082 R)
• M6: 2,502,473 km (0.096 R)
• M7: 3,213,512 km (0.115 R)
• M8: 3,628,496 km (0.066 R)
• M9: 3,924,850 km (0.035 R)
• M10: 4,723,104 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.1

Radius: 11.1

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.92 AU - 1.08 AU

Year: 678 Days

Day: 8.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,954,714 km

• M1: 138,378 km (0.115 R)
• M2: 555,457 km (0.116 R)
• M3: 907,610 km (0.046 R)
• M4: 1,330,972 km (0.111 R)
• M5: 1,964,968 km (0.105 R)
• M6: 3,383,156 km (0.072 R)
• M7: 5,248,940 km (0.102 R)
• M8: 5,605,283 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.8

Radius: 13.5

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.08 AU - 1.44 AU

Year: 959 Days

Day: 13.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 66.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,954,714 km

• M1: 167,998 km (0.119 R)
• M2: 599,738 km (0.102 R)
• M3: 1,049,728 km (0.105 R)
• M4: 1,547,590 km (0.091 R)
• M5: 2,012,989 km (0.111 R)
• M6: 2,679,597 km (0.115 R)
• M7: 3,199,001 km (0.096 R)
• M8: 3,622,363 km (0.092 R)
• M9: 4,520,698 km (0.119 R)
• M10: 5,296,812 km (0.037 R)
• M11: 7,352,735 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.3

Radius: 8.9

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.08 AU - 1.58 AU

Year: 1040 Days

Day: 7.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,954,714 km

• M1: 110,702 km (0.119 R)
• M2: 475,272 km (0.115 R)
• M3: 839,094 km (0.113 R)
• M4: 1,250,040 km (0.104 R)
• M5: 1,581,100 km (0.075 R)
• M6: 2,318,767 km (0.049 R)
• M7: 2,931,669 km (0.112 R)
• M8: 3,857,231 km (0.066 R)
• M9: 4,298,844 km (0.111 R)
• M10: 5,530,932 km (0.062 R)
• M11: 6,693,607 km (0.025 R)
• M12: 7,008,211 km (0.113 R)
• M13: 8,201,554 km (0.061 R)
• M14: 9,137,438 km (0.109 R)
• M15: 11,019,080 km (0.095 R)
• M16: 11,390,232 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.5

Radius: 11.8

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.34 AU - 3.5 AU

Year: 4290 Days

Day: 6.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,954,714 km

• M1: 146,756 km (0.085 R)
• M2: 543,489 km (0.109 R)
• M3: 959,670 km (0.051 R)
• M4: 1,997,730 km (0.102 R)
• M5: 2,418,848 km (0.07 R)
• M6: 3,402,304 km (0.041 R)
• M7: 3,806,069 km (0.084 R)
• M8: 4,241,997 km (0.12 R)
• M9: 5,494,431 km (0.08 R)
• M10: 5,902,683 km (0.116 R)
• M11: 9,031,822 km (0.081 R)
• M12: 10,636,109 km (0.119 R)
• M13: 11,226,273 km (0.073 R)
• M14: 11,647,541 km (0.071 R)
• M15: 13,439,424 km (0.083 R)
• M16: 15,011,249 km (0.099 R)
• M17: 17,006,436 km (0.055 R)
• M18: 18,323,645 km (0.067 R)
• M19: 21,660,126 km (0.034 R)
• M20: 24,355,730 km (0.052 R)
• M21: 27,016,478 km (0.084 R)
• M22: 28,373,929 km (0.07 R)
• M23: 29,245,037 km (0.114 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 15,050 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit