🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.29 AU - 1.71 AU

Year: 688 Days

Day: 28.8 Hours

Environment

Temp: -53 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.6

Radius: 12.3

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.61 AU - 5.71 AU

Year: 3770 Days

Day: 11 Hours

Environment

Temp: -130 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,611,830 km

• M1: 153,039 km (0.054 R)
• M2: 624,571 km (0.08 R)
• M3: 1,541,606 km (0.108 R)
• M4: 1,940,733 km (0.116 R)
• M5: 2,515,638 km (0.06 R)
• M6: 3,502,385 km (0.093 R)
• M7: 4,520,399 km (0.027 R)
• M8: 5,890,865 km (0.099 R)
• M9: 6,433,756 km (0.103 R)
• M10: 11,479,243 km (0.099 R)
• M11: 12,558,592 km (0.101 R)
• M12: 14,252,488 km (0.114 R)
• M13: 15,552,344 km (0.062 R)
• M14: 18,447,063 km (0.111 R)
• M15: 20,890,295 km (0.114 R)
• M16: 22,910,914 km (0.117 R)
• M17: 23,897,213 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.6

Radius: 11

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.09 AU - 8.31 AU

Year: 7240 Days

Day: 5.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,611,830 km

• M1: 139,575 km (0.084 R)
• M2: 512,373 km (0.115 R)
• M3: 1,274,873 km (0.091 R)
• M4: 1,775,577 km (0.086 R)
• M5: 2,624,246 km (0.108 R)
• M6: 3,745,482 km (0.052 R)
• M7: 4,175,426 km (0.061 R)
• M8: 5,806,342 km (0.074 R)
• M9: 6,384,538 km (0.104 R)
• M10: 7,160,801 km (0.1 R)
• M11: 8,938,323 km (0.078 R)
• M12: 13,247,041 km (0.075 R)
• M13: 14,508,450 km (0.115 R)
• M14: 15,519,283 km (0.038 R)
• M15: 17,503,699 km (0.088 R)
• M16: 21,764,545 km (0.079 R)
• M17: 24,613,188 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.1

Radius: 11.3

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 10.25 AU - 12.17 AU

Year: 14065 Days

Day: 14.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,611,830 km

• M1: 142,866 km (0.057 R)
• M2: 504,743 km (0.105 R)
• M3: 1,465,760 km (0.056 R)
• M4: 2,378,457 km (0.119 R)
• M5: 5,433,245 km (0.109 R)
• M6: 6,526,506 km (0.118 R)
• M7: 13,153,094 km (0.092 R)
• M8: 16,272,508 km (0.089 R)
• M9: 16,722,648 km (0.117 R)
• M10: 19,016,732 km (0.118 R)
• M11: 22,147,217 km (0.103 R)
• M12: 22,700,430 km (0.088 R)
• M13: 28,859,823 km (0.117 R)
• M14: 30,077,849 km (0.112 R)
• M15: 30,870,568 km (0.076 R)
• M16: 31,445,323 km (0.117 R)
• M17: 33,816,000 km (0.107 R)
• M18: 34,181,468 km (0.077 R)
• M19: 34,549,778 km (0.038 R)
• M20: 35,169,412 km (0.037 R)
• M21: 37,201,998 km (0.103 R)
• M22: 57,047,203 km (0.062 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 17,689 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit