🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.5

Radius: 13.7

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.99 AU - 1.39 AU

Year: 880 Days

Day: 7.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,563,182 km

• M1: 170,392 km (0.062 R)
• M2: 608,714 km (0.065 R)
• M3: 1,122,283 km (0.07 R)
• M4: 2,059,963 km (0.096 R)
• M5: 2,769,655 km (0.12 R)
• M6: 3,677,116 km (0.066 R)
• M7: 4,711,585 km (0.085 R)
• M8: 6,557,623 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.9

Radius: 11.5

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.26 AU - 4.5 AU

Year: 5184 Days

Day: 8.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,563,182 km

• M1: 143,614 km (0.065 R)
• M2: 753,375 km (0.11 R)
• M3: 1,502,411 km (0.108 R)
• M4: 2,425,580 km (0.027 R)
• M5: 4,373,793 km (0.078 R)
• M6: 5,771,187 km (0.059 R)
• M7: 11,253,201 km (0.059 R)
• M8: 12,732,724 km (0.066 R)
• M9: 13,359,539 km (0.063 R)
• M10: 14,618,405 km (0.077 R)
• M11: 16,195,017 km (0.103 R)
• M12: 16,806,872 km (0.117 R)
• M13: 20,380,915 km (0.104 R)
• M14: 23,180,489 km (0.114 R)
• M15: 31,471,054 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.1

Radius: 13.6

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.34 AU - 4.96 AU

Year: 5734 Days

Day: 14.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,563,182 km

• M1: 190,737 km (0.116 R)
• M2: 660,026 km (0.108 R)
• M3: 1,261,559 km (0.106 R)
• M4: 2,176,799 km (0.082 R)
• M5: 2,835,927 km (0.077 R)
• M6: 3,625,504 km (0.081 R)
• M7: 4,166,749 km (0.063 R)
• M8: 5,272,577 km (0.093 R)
• M9: 8,515,709 km (0.091 R)
• M10: 9,602,987 km (0.115 R)
• M11: 11,955,563 km (0.117 R)
• M12: 17,020,348 km (0.042 R)
• M13: 17,963,413 km (0.115 R)
• M14: 20,648,396 km (0.085 R)
• M15: 22,160,381 km (0.07 R)
• M16: 22,830,580 km (0.086 R)
• M17: 23,514,093 km (0.118 R)
• M18: 24,525,524 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.9

Radius: 10.7

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.2 AU - 4.32 AU

Year: 5964 Days

Day: 14.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,563,182 km

• M1: 133,591 km (0.079 R)
• M2: 487,689 km (0.098 R)
• M3: 840,890 km (0.102 R)
• M4: 1,393,205 km (0.097 R)
• M5: 1,903,932 km (0.098 R)
• M6: 2,461,783 km (0.113 R)
• M7: 3,864,861 km (0.051 R)
• M8: 4,265,185 km (0.047 R)
• M9: 5,985,411 km (0.117 R)
• M10: 6,640,500 km (0.107 R)
• M11: 7,123,701 km (0.045 R)
• M12: 8,539,944 km (0.047 R)
• M13: 9,370,511 km (0.109 R)
• M14: 10,777,330 km (0.106 R)
• M15: 13,285,488 km (0.112 R)
• M16: 14,005,353 km (0.037 R)
• M17: 16,267,572 km (0.074 R)
• M18: 16,648,747 km (0.109 R)
• M19: 18,585,291 km (0.079 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 16,136 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit