🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.4

Radius: 12.6

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.34 AU - 1.44 AU

Year: 1075 Days

Day: 12.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,253,032 km

• M1: 156,629 km (0.055 R)
• M2: 693,685 km (0.114 R)
• M3: 2,290,792 km (0.098 R)
• M4: 2,744,523 km (0.066 R)
• M5: 3,508,668 km (0.118 R)
• M6: 3,928,290 km (0.094 R)
• M7: 5,056,109 km (0.109 R)
• M8: 5,833,569 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.6

Radius: 14.2

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.62 AU - 1.76 AU

Year: 1441 Days

Day: 12.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,253,032 km

• M1: 176,525 km (0.089 R)
• M2: 691,441 km (0.059 R)
• M3: 1,153,998 km (0.093 R)
• M4: 1,774,979 km (0.103 R)
• M5: 2,477,042 km (0.086 R)
• M6: 3,790,511 km (0.111 R)
• M7: 5,314,315 km (0.086 R)
• M8: 6,018,023 km (0.119 R)
• M9: 6,833,032 km (0.072 R)
• M10: 7,775,200 km (0.105 R)
• M11: 8,951,937 km (0.103 R)
• M12: 9,725,806 km (0.033 R)
• M13: 10,712,853 km (0.087 R)
• M14: 11,442,891 km (0.115 R)
• M15: 12,094,689 km (0.091 R)
• M16: 13,118,985 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.7

Radius: 10.3

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.59 AU - 2.75 AU

Year: 2862 Days

Day: 11.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,253,032 km

• M1: 128,056 km (0.086 R)
• M2: 596,447 km (0.109 R)
• M3: 2,021,965 km (0.085 R)
• M4: 2,533,590 km (0.027 R)
• M5: 3,297,436 km (0.095 R)
• M6: 3,798,888 km (0.084 R)
• M7: 5,068,675 km (0.085 R)
• M8: 5,788,241 km (0.064 R)
• M9: 7,282,873 km (0.083 R)
• M10: 7,947,536 km (0.052 R)
• M11: 11,212,510 km (0.12 R)
• M12: 13,162,069 km (0.048 R)
• M13: 14,379,048 km (0.104 R)
• M14: 15,669,479 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.1

Radius: 14.9

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.89 AU - 5.15 AU

Year: 6304 Days

Day: 13 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,253,032 km

• M1: 186,100 km (0.107 R)
• M2: 666,758 km (0.112 R)
• M3: 1,541,008 km (0.071 R)
• M4: 2,426,178 km (0.113 R)
• M5: 3,233,109 km (0.032 R)
• M6: 4,395,335 km (0.11 R)
• M7: 6,246,459 km (0.086 R)
• M8: 7,014,943 km (0.066 R)
• M9: 7,924,349 km (0.112 R)
• M10: 10,736,490 km (0.105 R)
• M11: 11,892,881 km (0.084 R)
• M12: 13,581,243 km (0.092 R)
• M13: 14,275,975 km (0.034 R)
• M14: 15,055,231 km (0.068 R)
• M15: 16,962,155 km (0.092 R)
• M16: 18,811,932 km (0.061 R)
• M17: 27,203,176 km (0.076 R)
• M18: 31,702,930 km (0.103 R)
• M19: 36,124,146 km (0.084 R)
• M20: 37,346,660 km (0.111 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 10,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit