🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.8

Radius: 12.8

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.64 AU - 1.04 AU

Year: 531 Days

Day: 11.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,094,238 km

• M1: 159,172 km (0.107 R)
• M2: 604,824 km (0.054 R)
• M3: 1,395,748 km (0.119 R)
• M4: 1,870,123 km (0.045 R)
• M5: 2,340,010 km (0.114 R)
• M6: 3,200,347 km (0.106 R)
• M7: 3,932,928 km (0.114 R)
• M8: 4,564,530 km (0.077 R)
• M9: 5,715,536 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.6

Radius: 13.7

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.97 AU - 1.17 AU

Year: 764 Days

Day: 9.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,094,238 km

• M1: 170,542 km (0.117 R)
• M2: 598,840 km (0.07 R)
• M3: 1,183,918 km (0.047 R)
• M4: 1,918,293 km (0.106 R)
• M5: 3,597,978 km (0.081 R)
• M6: 4,477,165 km (0.071 R)
• M7: 5,098,744 km (0.101 R)
• M8: 5,550,979 km (0.102 R)
• M9: 6,029,991 km (0.08 R)
• M10: 8,181,208 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.3

Radius: 11.2

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.43 AU - 1.93 AU

Year: 1503 Days

Day: 7.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,094,238 km

• M1: 139,276 km (0.025 R)
• M2: 575,204 km (0.079 R)
• M3: 924,664 km (0.092 R)
• M4: 1,549,385 km (0.061 R)
• M5: 2,042,011 km (0.047 R)
• M6: 2,465,822 km (0.083 R)
• M7: 2,861,059 km (0.11 R)
• M8: 3,330,647 km (0.057 R)
• M9: 4,484,196 km (0.095 R)
• M10: 4,888,110 km (0.098 R)
• M11: 5,517,169 km (0.111 R)
• M12: 6,372,271 km (0.115 R)
• M13: 7,732,265 km (0.072 R)
• M14: 8,166,847 km (0.104 R)
• M15: 8,865,020 km (0.053 R)
• M16: 10,415,153 km (0.1 R)
• M17: 11,018,033 km (0.03 R)
• M18: 11,569,301 km (0.037 R)
• M19: 13,665,466 km (0.059 R)
• M20: 14,649,521 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.6

Radius: 8.2

Gravity: 12.37 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.63 AU - 2.09 AU

Year: 1751 Days

Day: 6.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,094,238 km

• M1: 102,175 km (0.093 R)
• M2: 378,183 km (0.099 R)
• M3: 749,336 km (0.076 R)
• M4: 1,297,014 km (0.113 R)
• M5: 2,718,941 km (0.114 R)
• M6: 3,140,957 km (0.1 R)
• M7: 3,693,721 km (0.1 R)
• M8: 4,428,845 km (0.091 R)
• M9: 4,842,034 km (0.099 R)
• M10: 5,463,464 km (0.109 R)
• M11: 6,783,815 km (0.108 R)
• M12: 7,221,239 km (0.036 R)
• M13: 8,837,793 km (0.119 R)
• M14: 14,931,812 km (0.106 R)
• M15: 15,766,718 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386

Radius: 13.4

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.11 AU - 4.31 AU

Year: 4933 Days

Day: 14.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,094,238 km

• M1: 166,652 km (0.097 R)
• M2: 728,990 km (0.113 R)
• M3: 1,228,199 km (0.11 R)
• M4: 1,871,021 km (0.118 R)
• M5: 2,650,874 km (0.097 R)
• M6: 3,618,473 km (0.096 R)
• M7: 4,882,575 km (0.097 R)
• M8: 6,511,995 km (0.11 R)
• M9: 7,885,753 km (0.108 R)
• M10: 8,407,999 km (0.086 R)
• M11: 9,065,033 km (0.108 R)
• M12: 9,677,636 km (0.119 R)
• M13: 10,195,544 km (0.118 R)
• M14: 10,985,869 km (0.054 R)
• M15: 12,973,127 km (0.091 R)
• M16: 13,554,465 km (0.116 R)
• M17: 15,243,125 km (0.069 R)
• M18: 19,158,700 km (0.051 R)
• M19: 19,849,543 km (0.029 R)
• M20: 23,060,811 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.1

Radius: 5.1

Gravity: 16.81 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 4.43 AU - 6.83 AU

Year: 9221 Days

Day: 24.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,094,238 km

• M1: 63,429 km (0.115 R)
• M2: 255,214 km (0.055 R)
• M3: 502,050 km (0.056 R)
• M4: 1,065,436 km (0.056 R)
• M5: 1,708,408 km (0.064 R)
• M6: 2,222,127 km (0.117 R)
• M7: 6,628,233 km (0.09 R)
• M8: 7,406,441 km (0.117 R)
• M9: 9,730,294 km (0.107 R)
• M10: 12,390,144 km (0.068 R)
• M11: 13,856,652 km (0.06 R)
• M12: 15,060,616 km (0.093 R)
• M13: 15,247,015 km (0.111 R)
• M14: 20,806,072 km (0.068 R)
• M15: 24,802,729 km (0.109 R)
• M16: 26,390,710 km (0.072 R)
• M17: 32,689,229 km (0.111 R)
• M18: 33,106,607 km (0.048 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 11,366 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit