🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.3

Radius: 13.5

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.7 AU - 1 AU

Year: 506 Days

Day: 7.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,622,880 km

• M1: 167,998 km (0.12 R)
• M2: 767,886 km (0.05 R)
• M3: 1,271,283 km (0.069 R)
• M4: 1,710,053 km (0.109 R)
• M5: 2,134,762 km (0.063 R)
• M6: 2,564,855 km (0.097 R)
• M7: 3,773,905 km (0.11 R)
• M8: 4,424,058 km (0.065 R)
• M9: 5,042,196 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.8

Radius: 10.9

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.97 AU - 1.57 AU

Year: 924 Days

Day: 6.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,622,880 km

• M1: 136,583 km (0.108 R)
• M2: 520,002 km (0.103 R)
• M3: 968,048 km (0.108 R)
• M4: 1,415,495 km (0.072 R)
• M5: 1,844,243 km (0.096 R)
• M6: 3,100,266 km (0.105 R)
• M7: 5,213,336 km (0.117 R)
• M8: 7,439,801 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.4

Radius: 8.2

Gravity: 14.15 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.29 AU - 3.33 AU

Year: 3888 Days

Day: 14.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,622,880 km

• M1: 102,175 km (0.112 R)
• M2: 425,307 km (0.062 R)
• M3: 731,833 km (0.084 R)
• M4: 1,014,872 km (0.081 R)
• M5: 2,776,088 km (0.103 R)
• M6: 3,360,716 km (0.083 R)
• M7: 3,650,487 km (0.04 R)
• M8: 4,328,315 km (0.088 R)
• M9: 5,756,227 km (0.112 R)
• M10: 6,419,693 km (0.11 R)
• M11: 7,405,095 km (0.098 R)
• M12: 8,910,498 km (0.114 R)
• M13: 12,761,596 km (0.12 R)
• M14: 13,887,021 km (0.106 R)
• M15: 15,869,193 km (0.099 R)
• M16: 19,913,122 km (0.08 R)
• M17: 22,135,548 km (0.09 R)
• M18: 22,789,291 km (0.106 R)
• M19: 26,252,332 km (0.039 R)
• M20: 27,149,321 km (0.091 R)
• M21: 28,320,223 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.2

Radius: 12.5

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.72 AU - 3.96 AU

Year: 4859 Days

Day: 9.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,622,880 km

• M1: 155,432 km (0.104 R)
• M2: 574,007 km (0.051 R)
• M3: 1,186,610 km (0.03 R)
• M4: 1,701,377 km (0.08 R)
• M5: 2,201,632 km (0.108 R)
• M6: 2,799,425 km (0.091 R)
• M7: 3,791,708 km (0.071 R)
• M8: 4,929,100 km (0.089 R)
• M9: 6,162,983 km (0.12 R)
• M10: 8,187,342 km (0.058 R)
• M11: 9,156,138 km (0.094 R)
• M12: 10,075,566 km (0.088 R)
• M13: 10,750,701 km (0.066 R)
• M14: 11,636,919 km (0.045 R)
• M15: 12,427,993 km (0.11 R)
• M16: 13,808,631 km (0.104 R)
• M17: 15,786,914 km (0.107 R)
• M18: 16,467,135 km (0.12 R)
• M19: 16,872,994 km (0.093 R)
• M20: 18,130,813 km (0.067 R)
• M21: 18,563,749 km (0.086 R)
• M22: 22,209,150 km (0.039 R)
• M23: 23,718,742 km (0.106 R)
• M24: 24,311,599 km (0.087 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 13,541 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit