🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.3

Radius: 10.5

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.61 AU - 0.63 AU

Year: 326 Days

Day: 13.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,795,867 km

• M1: 130,599 km (0.116 R)
• M2: 506,538 km (0.044 R)
• M3: 889,060 km (0.115 R)
• M4: 1,229,694 km (0.07 R)
• M5: 1,592,320 km (0.066 R)
• M6: 2,273,439 km (0.056 R)
• M7: 2,721,185 km (0.027 R)
• M8: 3,685,493 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.4

Radius: 11.5

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.84 AU - 1.22 AU

Year: 697 Days

Day: 13 Hours

Environment

Temp: -185 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,795,867 km

• M1: 143,315 km (0.045 R)
• M2: 572,810 km (0.096 R)
• M3: 944,262 km (0.083 R)
• M4: 1,369,120 km (0.12 R)
• M5: 2,773,993 km (0.045 R)
• M6: 3,966,737 km (0.114 R)
• M7: 5,326,432 km (0.088 R)
• M8: 5,970,900 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.8

Radius: 11.5

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.97 AU - 4.29 AU

Year: 5597 Days

Day: 5.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 127.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,795,867 km

• M1: 143,016 km (0.068 R)
• M2: 751,430 km (0.066 R)
• M3: 1,318,556 km (0.113 R)
• M4: 1,763,908 km (0.077 R)
• M5: 3,002,728 km (0.11 R)
• M6: 4,285,381 km (0.104 R)
• M7: 5,361,139 km (0.078 R)
• M8: 5,874,110 km (0.1 R)
• M9: 6,264,710 km (0.104 R)
• M10: 7,577,132 km (0.082 R)
• M11: 8,335,593 km (0.083 R)
• M12: 9,961,872 km (0.119 R)
• M13: 12,075,540 km (0.078 R)
• M14: 13,990,692 km (0.115 R)
• M15: 14,690,062 km (0.051 R)
• M16: 16,989,082 km (0.089 R)
• M17: 17,414,838 km (0.062 R)
• M18: 19,386,388 km (0.117 R)
• M19: 20,255,851 km (0.075 R)
• M20: 22,289,036 km (0.098 R)
• M21: 22,946,817 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.3

Radius: 3.6

Gravity: 59.36 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.35 AU - 8.27 AU

Year: 11851 Days

Day: 22.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,795,867 km

• M1: 44,730 km (0.085 R)
• M2: 477,516 km (0.084 R)
• M3: 671,395 km (0.072 R)
• M4: 2,012,091 km (0.047 R)
• M5: 3,720,948 km (0.095 R)
• M6: 4,000,696 km (0.109 R)
• M7: 5,296,363 km (0.098 R)
• M8: 5,722,867 km (0.085 R)
• M9: 6,725,023 km (0.088 R)
• M10: 7,440,250 km (0.084 R)
• M11: 7,659,860 km (0.059 R)
• M12: 11,378,863 km (0.094 R)
• M13: 17,964,311 km (0.101 R)
• M14: 24,038,283 km (0.074 R)
• M15: 24,421,703 km (0.097 R)
• M16: 25,102,373 km (0.11 R)
• M17: 32,385,695 km (0.115 R)
• M18: 37,908,250 km (0.094 R)
• M19: 41,643,110 km (0.102 R)
• M20: 45,323,966 km (0.096 R)
• M21: 51,718,228 km (0.079 R)
• M22: 53,000,581 km (0.108 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: 541 - 20,369 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit