🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.2

Radius: 8.8

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.01 AU - 1.68 AU

Year: 1034 Days

Day: 7.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,426,324 km

• M1: 109,506 km (0.113 R)
• M2: 415,284 km (0.116 R)
• M3: 914,492 km (0.085 R)
• M4: 1,321,996 km (0.118 R)
• M5: 1,762,263 km (0.111 R)
• M6: 2,436,201 km (0.045 R)
• M7: 2,717,146 km (0.064 R)
• M8: 3,144,248 km (0.055 R)
• M9: 3,508,668 km (0.109 R)
• M10: 3,804,274 km (0.087 R)
• M11: 4,481,803 km (0.095 R)
• M12: 4,774,416 km (0.119 R)
• M13: 5,438,930 km (0.05 R)
• M14: 6,031,337 km (0.084 R)
• M15: 6,999,834 km (0.084 R)
• M16: 7,369,790 km (0.106 R)
• M17: 8,068,561 km (0.113 R)
• M18: 10,654,660 km (0.068 R)
• M19: 11,078,620 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.1

Radius: 12

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.36 AU - 2.12 AU

Year: 1531 Days

Day: 14.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,426,324 km

• M1: 154,684 km (0.103 R)
• M2: 563,086 km (0.074 R)
• M3: 941,270 km (0.108 R)
• M4: 1,863,391 km (0.117 R)
• M5: 2,961,439 km (0.075 R)
• M6: 3,763,583 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.2

Radius: 10.2

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.45 AU - 2.09 AU

Year: 1570 Days

Day: 6.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,426,324 km

• M1: 126,859 km (0.045 R)
• M2: 540,946 km (0.091 R)
• M3: 866,770 km (0.04 R)
• M4: 1,432,998 km (0.029 R)
• M5: 2,005,958 km (0.112 R)
• M6: 3,218,149 km (0.104 R)
• M7: 3,949,085 km (0.086 R)
• M8: 4,844,577 km (0.102 R)
• M9: 6,295,378 km (0.114 R)
• M10: 6,669,522 km (0.031 R)
• M11: 7,009,109 km (0.119 R)
• M12: 7,989,723 km (0.048 R)
• M13: 9,206,851 km (0.118 R)
• M14: 9,567,532 km (0.08 R)
• M15: 10,317,466 km (0.117 R)
• M16: 10,674,107 km (0.119 R)
• M17: 11,619,117 km (0.051 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.8

Radius: 4.2

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.79 AU - 7.57 AU

Year: 12830 Days

Day: 15 Hours

Environment

Temp: -236 °C

Axial Tilt: 53 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 28,426,324 km

• M1: 52,210 km (0.111 R)
• M2: 234,869 km (0.084 R)
• M3: 379,829 km (0.086 R)
• M4: 610,659 km (0.04 R)
• M5: 803,041 km (0.033 R)
• M6: 1,026,241 km (0.087 R)
• M7: 1,167,462 km (0.097 R)
• M8: 1,398,291 km (0.074 R)
• M9: 2,941,992 km (0.073 R)
• M10: 3,599,026 km (0.098 R)
• M11: 4,876,741 km (0.077 R)
• M12: 6,429,417 km (0.088 R)
• M13: 7,386,245 km (0.114 R)
• M14: 8,209,632 km (0.06 R)
• M15: 9,212,237 km (0.115 R)
• M16: 11,643,501 km (0.099 R)
• M17: 12,507,728 km (0.067 R)
• M18: 13,673,245 km (0.07 R)
• M19: 16,042,726 km (0.118 R)
• M20: 17,600,788 km (0.072 R)
• M21: 17,786,738 km (0.11 R)
• M22: 18,352,816 km (0.107 R)
• M23: 19,653,271 km (0.119 R)
• M24: 21,575,454 km (0.102 R)
• M25: 23,544,162 km (0.109 R)
• M26: 24,843,270 km (0.113 R)
• M27: 27,918,703 km (0.092 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 17,329 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit