🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.1

Radius: 13.2

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.49 AU - 0.79 AU

Year: 360 Days

Day: 7.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,511,465 km

• M1: 164,408 km (0.081 R)
• M2: 630,106 km (0.087 R)
• M3: 1,065,885 km (0.094 R)
• M4: 1,645,277 km (0.092 R)
• M5: 2,112,322 km (0.051 R)
• M6: 3,023,373 km (0.111 R)
• M7: 4,527,131 km (0.114 R)
• M8: 4,949,446 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.5

Radius: 11.1

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.72 AU - 0.9 AU

Year: 512 Days

Day: 5.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,511,465 km

• M1: 138,976 km (0.053 R)
• M2: 609,761 km (0.097 R)
• M3: 1,173,745 km (0.103 R)
• M4: 1,567,935 km (0.106 R)
• M5: 2,136,856 km (0.054 R)
• M6: 2,563,210 km (0.09 R)
• M7: 3,147,689 km (0.066 R)
• M8: 4,252,469 km (0.089 R)
• M9: 4,948,398 km (0.112 R)
• M10: 6,069,934 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.5

Radius: 13.2

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.67 AU - 1.11 AU

Year: 590 Days

Day: 12.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,511,465 km

• M1: 164,109 km (0.043 R)
• M2: 651,050 km (0.035 R)
• M3: 1,246,449 km (0.072 R)
• M4: 1,756,129 km (0.115 R)
• M5: 2,385,637 km (0.111 R)
• M6: 3,068,252 km (0.118 R)
• M7: 3,716,011 km (0.104 R)
• M8: 4,216,715 km (0.118 R)
• M9: 5,563,395 km (0.111 R)
• M10: 6,530,545 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.8

Radius: 14.9

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.06 AU - 1.16 AU

Year: 822 Days

Day: 10 Hours

Environment

Temp: -182 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,511,465 km

• M1: 185,352 km (0.086 R)
• M2: 677,678 km (0.09 R)
• M3: 1,301,352 km (0.075 R)
• M4: 1,851,274 km (0.112 R)
• M5: 2,580,114 km (0.098 R)
• M6: 3,875,782 km (0.115 R)
• M7: 4,399,225 km (0.055 R)
• M8: 5,668,712 km (0.115 R)
• M9: 8,115,086 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.3

Radius: 14.4

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.01 AU - 3.95 AU

Year: 4563 Days

Day: 6.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,511,465 km

• M1: 179,069 km (0.106 R)
• M2: 768,335 km (0.06 R)
• M3: 1,352,664 km (0.081 R)
• M4: 2,075,222 km (0.099 R)
• M5: 2,743,625 km (0.065 R)
• M6: 3,784,826 km (0.091 R)
• M7: 4,445,002 km (0.115 R)
• M8: 4,892,898 km (0.062 R)
• M9: 5,909,714 km (0.063 R)
• M10: 6,866,393 km (0.117 R)
• M11: 7,399,260 km (0.112 R)
• M12: 8,068,112 km (0.062 R)
• M13: 9,772,631 km (0.109 R)
• M14: 12,714,772 km (0.102 R)
• M15: 13,521,104 km (0.106 R)
• M16: 14,630,971 km (0.109 R)
• M17: 18,389,318 km (0.033 R)
• M18: 22,457,632 km (0.045 R)
• M19: 25,798,153 km (0.108 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 369 - 18,761 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit