🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.2

Radius: 8.7

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.6 AU - 0.96 AU

Year: 452 Days

Day: 10.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,360,462 km

• M1: 108,608 km (0.034 R)
• M2: 442,062 km (0.054 R)
• M3: 844,779 km (0.071 R)
• M4: 1,261,559 km (0.102 R)
• M5: 1,639,742 km (0.049 R)
• M6: 2,372,323 km (0.104 R)
• M7: 2,830,392 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.2

Radius: 11.6

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.02 AU - 1.04 AU

Year: 686 Days

Day: 6.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,360,462 km

• M1: 145,260 km (0.103 R)
• M2: 644,468 km (0.069 R)
• M3: 1,033,272 km (0.107 R)
• M4: 1,532,630 km (0.116 R)
• M5: 2,238,583 km (0.088 R)
• M6: 2,901,750 km (0.111 R)
• M7: 3,610,993 km (0.063 R)
• M8: 4,684,209 km (0.059 R)
• M9: 5,269,136 km (0.025 R)
• M10: 5,790,335 km (0.095 R)
• M11: 6,748,958 km (0.08 R)
• M12: 7,386,395 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.6

Radius: 13.4

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.41 AU - 1.71 AU

Year: 1278 Days

Day: 14.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,360,462 km

• M1: 166,652 km (0.076 R)
• M2: 593,455 km (0.099 R)
• M3: 1,160,580 km (0.089 R)
• M4: 1,859,950 km (0.06 R)
• M5: 2,281,517 km (0.07 R)
• M6: 4,216,266 km (0.054 R)
• M7: 5,138,687 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.3

Radius: 8.1

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.45 AU - 2.15 AU

Year: 1584 Days

Day: 6.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,360,462 km

• M1: 100,679 km (0.072 R)
• M2: 449,691 km (0.075 R)
• M3: 733,179 km (0.115 R)
• M4: 1,845,888 km (0.046 R)
• M5: 2,323,554 km (0.076 R)
• M6: 5,128,514 km (0.034 R)
• M7: 5,716,434 km (0.104 R)
• M8: 5,999,772 km (0.07 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.7

Radius: 3

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.87 AU - 7.85 AU

Year: 11787 Days

Day: 21.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,360,462 km

• M1: 37,998 km (0.091 R)
• M2: 162,314 km (0.119 R)
• M3: 305,030 km (0.051 R)
• M4: 434,283 km (0.052 R)
• M5: 2,076,119 km (0.063 R)
• M6: 2,577,272 km (0.091 R)
• M7: 3,473,214 km (0.086 R)
• M8: 7,964,291 km (0.108 R)
• M9: 13,254,521 km (0.037 R)
• M10: 14,450,706 km (0.081 R)
• M11: 17,844,184 km (0.067 R)
• M12: 20,763,287 km (0.079 R)
• M13: 22,371,314 km (0.059 R)
• M14: 22,803,951 km (0.054 R)
• M15: 27,033,831 km (0.044 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 11,713 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit