🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.2

Radius: 12.7

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.62 AU - 0.98 AU

Year: 494 Days

Day: 6.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,902,416 km

• M1: 158,125 km (0.068 R)
• M2: 587,920 km (0.066 R)
• M3: 1,138,290 km (0.089 R)
• M4: 2,006,556 km (0.102 R)
• M5: 2,429,918 km (0.087 R)
• M6: 2,886,042 km (0.047 R)
• M7: 3,587,357 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.6

Radius: 10.9

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.03 AU - 1.09 AU

Year: 753 Days

Day: 12.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,902,416 km

• M1: 135,536 km (0.081 R)
• M2: 485,744 km (0.041 R)
• M3: 857,944 km (0.102 R)
• M4: 1,363,734 km (0.061 R)
• M5: 2,202,230 km (0.11 R)
• M6: 2,875,271 km (0.111 R)
• M7: 3,233,857 km (0.082 R)
• M8: 3,636,874 km (0.075 R)
• M9: 3,980,351 km (0.096 R)
• M10: 4,629,905 km (0.091 R)
• M11: 5,016,316 km (0.082 R)
• M12: 5,367,572 km (0.118 R)
• M13: 5,975,837 km (0.059 R)
• M14: 6,521,121 km (0.119 R)
• M15: 6,917,854 km (0.083 R)
• M16: 7,638,916 km (0.105 R)
• M17: 8,827,022 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.9

Radius: 13.4

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.62 AU - 4.46 AU

Year: 5605 Days

Day: 12.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,902,416 km

• M1: 209,736 km (0.105 R)
• M2: 640,728 km (0.108 R)
• M3: 1,390,213 km (0.094 R)
• M4: 2,521,771 km (0.103 R)
• M5: 3,067,056 km (0.092 R)
• M6: 4,001,593 km (0.05 R)
• M7: 4,559,294 km (0.104 R)
• M8: 5,914,950 km (0.095 R)
• M9: 6,491,351 km (0.093 R)
• M10: 6,947,924 km (0.117 R)
• M11: 7,393,576 km (0.067 R)
• M12: 8,809,819 km (0.059 R)
• M13: 9,601,939 km (0.09 R)
• M14: 12,918,674 km (0.108 R)
• M15: 16,370,495 km (0.04 R)
• M16: 19,069,241 km (0.06 R)
• M17: 20,589,155 km (0.049 R)
• M18: 23,654,715 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.4

Radius: 11

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.67 AU - 4.75 AU

Year: 5963 Days

Day: 9.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,902,416 km

• M1: 460,163 km (0.067 R)
• M2: 875,297 km (0.095 R)
• M3: 1,478,925 km (0.075 R)
• M4: 1,856,360 km (0.071 R)
• M5: 2,455,948 km (0.11 R)
• M6: 3,219,645 km (0.096 R)
• M7: 5,215,580 km (0.048 R)
• M8: 7,295,290 km (0.074 R)
• M9: 8,146,502 km (0.119 R)
• M10: 8,827,172 km (0.085 R)
• M11: 9,261,604 km (0.068 R)
• M12: 10,130,768 km (0.072 R)
• M13: 15,198,695 km (0.111 R)
• M14: 19,013,740 km (0.12 R)
• M15: 20,759,397 km (0.113 R)
• M16: 24,181,897 km (0.083 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 13,286 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit