🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.1

Radius: 10

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.72 AU - 1.06 AU

Year: 560 Days

Day: 10.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,522,729 km

• M1: 124,765 km (0.096 R)
• M2: 472,729 km (0.117 R)
• M3: 824,733 km (0.059 R)
• M4: 1,170,603 km (0.07 R)
• M5: 1,573,321 km (0.118 R)
• M6: 2,135,659 km (0.112 R)
• M7: 2,565,304 km (0.043 R)
• M8: 2,911,474 km (0.118 R)
• M9: 3,300,727 km (0.081 R)
• M10: 4,022,537 km (0.12 R)
• M11: 4,906,960 km (0.059 R)
• M12: 5,864,087 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.4

Radius: 14.9

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.92 AU - 1.4 AU

Year: 833 Days

Day: 7.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,522,729 km

• M1: 185,352 km (0.087 R)
• M2: 696,528 km (0.072 R)
• M3: 1,229,395 km (0.091 R)
• M4: 1,752,838 km (0.085 R)
• M5: 2,309,791 km (0.106 R)
• M6: 3,371,038 km (0.063 R)
• M7: 4,642,022 km (0.041 R)
• M8: 5,528,838 km (0.045 R)
• M9: 6,098,208 km (0.108 R)
• M10: 6,890,927 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.8

Radius: 9

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.22 AU - 1.68 AU

Year: 1164 Days

Day: 11.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,522,729 km

• M1: 111,899 km (0.116 R)
• M2: 395,986 km (0.106 R)
• M3: 797,506 km (0.078 R)
• M4: 1,148,014 km (0.063 R)
• M5: 1,736,831 km (0.116 R)
• M6: 2,127,431 km (0.048 R)
• M7: 3,838,233 km (0.031 R)
• M8: 4,876,591 km (0.091 R)
• M9: 7,523,427 km (0.037 R)
• M10: 8,594,697 km (0.115 R)
• M11: 9,612,860 km (0.104 R)
• M12: 10,356,062 km (0.07 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.8

Radius: 6

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.54 AU - 8.26 AU

Year: 12087 Days

Day: 18.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,522,729 km

• M1: 74,649 km (0.117 R)
• M2: 1,503,907 km (0.117 R)
• M3: 2,227,811 km (0.04 R)
• M4: 2,547,801 km (0.093 R)
• M5: 3,260,186 km (0.105 R)
• M6: 3,483,386 km (0.107 R)
• M7: 4,705,152 km (0.086 R)
• M8: 5,151,253 km (0.114 R)
• M9: 5,625,179 km (0.12 R)
• M10: 6,250,199 km (0.111 R)
• M11: 8,068,860 km (0.09 R)
• M12: 9,624,678 km (0.072 R)
• M13: 11,509,312 km (0.106 R)
• M14: 12,076,139 km (0.119 R)
• M15: 12,366,508 km (0.105 R)
• M16: 14,368,726 km (0.078 R)
• M17: 14,914,908 km (0.04 R)
• M18: 17,980,467 km (0.08 R)
• M19: 22,082,590 km (0.069 R)
• M20: 22,590,026 km (0.112 R)
• M21: 23,104,942 km (0.081 R)
• M22: 26,523,254 km (0.116 R)
• M23: 27,845,400 km (0.082 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 16,093 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit