🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.8

Radius: 8.1

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.78 AU - 1.22 AU

Year: 678 Days

Day: 14.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,824,582 km

• M1: 100,679 km (0.081 R)
• M2: 370,704 km (0.114 R)
• M3: 654,042 km (0.105 R)
• M4: 911,799 km (0.114 R)
• M5: 1,227,451 km (0.117 R)
• M6: 1,484,759 km (0.09 R)
• M7: 1,879,398 km (0.1 R)
• M8: 2,154,060 km (0.093 R)
• M9: 2,562,462 km (0.093 R)
• M10: 3,122,108 km (0.089 R)
• M11: 3,413,225 km (0.103 R)
• M12: 3,760,741 km (0.117 R)
• M13: 4,600,284 km (0.11 R)
• M14: 5,883,535 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.8

Radius: 12.6

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.86 AU - 3.06 AU

Year: 2617 Days

Day: 7.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,824,582 km

• M1: 164,558 km (0.108 R)
• M2: 646,712 km (0.042 R)
• M3: 1,270,086 km (0.089 R)
• M4: 2,053,380 km (0.081 R)
• M5: 3,670,533 km (0.077 R)
• M6: 5,732,590 km (0.119 R)
• M7: 9,158,980 km (0.111 R)
• M8: 12,150,339 km (0.088 R)
• M9: 14,358,104 km (0.104 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.7

Radius: 7.5

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 6.69 AU - 10.15 AU

Year: 16571 Days

Day: 19.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,824,582 km

• M1: 93,349 km (0.112 R)
• M2: 341,532 km (0.054 R)
• M3: 890,855 km (0.045 R)
• M4: 1,567,636 km (0.117 R)
• M5: 1,852,171 km (0.084 R)
• M6: 2,097,362 km (0.111 R)
• M7: 3,614,584 km (0.118 R)
• M8: 4,443,954 km (0.092 R)
• M9: 7,255,198 km (0.052 R)
• M10: 7,514,600 km (0.09 R)
• M11: 7,780,136 km (0.085 R)
• M12: 12,866,913 km (0.085 R)
• M13: 13,766,744 km (0.083 R)
• M14: 14,098,103 km (0.113 R)
• M15: 14,776,679 km (0.044 R)
• M16: 16,346,111 km (0.109 R)
• M17: 17,247,438 km (0.041 R)
• M18: 19,231,105 km (0.12 R)
• M19: 24,797,193 km (0.114 R)
• M20: 28,798,787 km (0.106 R)
• M21: 30,670,406 km (0.037 R)
• M22: 34,898,490 km (0.074 R)
• M23: 35,763,465 km (0.106 R)
• M24: 37,023,678 km (0.097 R)
• M25: 39,499,373 km (0.094 R)
• M26: 53,060,121 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.4

Radius: 3.4

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 7.3 AU - 9.96 AU

Year: 17195 Days

Day: 24 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,824,582 km

• M1: 42,336 km (0.039 R)
• M2: 304,581 km (0.046 R)
• M3: 858,393 km (0.065 R)
• M4: 1,106,426 km (0.116 R)
• M5: 2,124,589 km (0.069 R)
• M6: 2,351,679 km (0.091 R)
• M7: 3,191,671 km (0.106 R)
• M8: 3,875,482 km (0.111 R)
• M9: 4,314,552 km (0.086 R)
• M10: 6,274,434 km (0.107 R)
• M11: 8,920,970 km (0.095 R)
• M12: 9,339,096 km (0.071 R)
• M13: 10,169,214 km (0.094 R)
• M14: 11,676,563 km (0.054 R)
• M15: 16,826,768 km (0.042 R)
• M16: 17,335,401 km (0.075 R)
• M17: 23,702,436 km (0.06 R)
• M18: 24,909,242 km (0.097 R)
• M19: 26,156,589 km (0.086 R)
• M20: 31,085,989 km (0.088 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: 520 - 18,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit