🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.7

Radius: 12.7

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.84 AU - 1.12 AU

Year: 636 Days

Day: 14.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,003,154 km

• M1: 158,125 km (0.119 R)
• M2: 666,608 km (0.11 R)
• M3: 1,132,007 km (0.114 R)
• M4: 1,593,367 km (0.112 R)
• M5: 2,154,658 km (0.114 R)
• M6: 2,613,774 km (0.04 R)
• M7: 3,138,414 km (0.084 R)
• M8: 3,732,916 km (0.119 R)
• M9: 4,550,767 km (0.11 R)
• M10: 5,570,726 km (0.096 R)
• M11: 6,052,281 km (0.11 R)
• M12: 6,580,960 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.1

Radius: 13.2

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.04 AU - 1.38 AU

Year: 873 Days

Day: 10.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,003,154 km

• M1: 164,109 km (0.082 R)
• M2: 633,098 km (0.063 R)
• M3: 1,057,956 km (0.117 R)
• M4: 1,593,965 km (0.09 R)
• M5: 2,341,955 km (0.12 R)
• M6: 2,827,998 km (0.093 R)
• M7: 3,246,573 km (0.108 R)
• M8: 3,780,338 km (0.028 R)
• M9: 4,438,270 km (0.067 R)
• M10: 5,007,938 km (0.1 R)
• M11: 5,664,972 km (0.079 R)
• M12: 6,148,323 km (0.068 R)
• M13: 6,970,214 km (0.081 R)
• M14: 7,863,911 km (0.106 R)
• M15: 8,338,885 km (0.097 R)
• M16: 8,859,336 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.7

Radius: 14

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.02 AU - 1.4 AU

Year: 873 Days

Day: 9.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,003,154 km

• M1: 174,132 km (0.103 R)
• M2: 645,664 km (0.094 R)
• M3: 1,085,931 km (0.1 R)
• M4: 1,578,108 km (0.075 R)
• M5: 2,118,007 km (0.098 R)
• M6: 2,683,487 km (0.094 R)
• M7: 3,463,340 km (0.102 R)
• M8: 3,931,133 km (0.049 R)
• M9: 4,775,762 km (0.066 R)
• M10: 5,241,760 km (0.071 R)
• M11: 5,924,674 km (0.083 R)
• M12: 6,508,704 km (0.116 R)
• M13: 7,036,186 km (0.111 R)
• M14: 8,684,007 km (0.117 R)
• M15: 9,613,010 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.8

Radius: 12.2

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.29 AU - 1.49 AU

Year: 1075 Days

Day: 13.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,003,154 km

• M1: 151,991 km (0.066 R)
• M2: 562,039 km (0.073 R)
• M3: 1,026,391 km (0.099 R)
• M4: 1,488,050 km (0.079 R)
• M5: 1,890,917 km (0.092 R)
• M6: 2,647,583 km (0.051 R)
• M7: 3,304,916 km (0.113 R)
• M8: 3,843,618 km (0.104 R)
• M9: 4,319,489 km (0.094 R)
• M10: 5,904,179 km (0.076 R)
• M11: 8,159,367 km (0.117 R)
• M12: 8,977,667 km (0.075 R)
• M13: 9,553,021 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87

Radius: 13.5

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.67 AU - 1.93 AU

Year: 1584 Days

Day: 7.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,003,154 km

• M1: 168,148 km (0.105 R)
• M2: 766,539 km (0.091 R)
• M3: 2,868,838 km (0.111 R)
• M4: 4,020,742 km (0.109 R)
• M5: 4,578,742 km (0.11 R)
• M6: 5,618,148 km (0.105 R)
• M7: 6,279,670 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.7

Radius: 11

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.83 AU - 2.75 AU

Year: 2273 Days

Day: 11.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,003,154 km

• M1: 137,181 km (0.1 R)
• M2: 504,743 km (0.103 R)
• M3: 982,260 km (0.043 R)
• M4: 1,533,977 km (0.087 R)
• M5: 2,036,925 km (0.05 R)
• M6: 2,500,977 km (0.105 R)
• M7: 2,931,071 km (0.113 R)
• M8: 4,050,811 km (0.114 R)
• M9: 4,527,580 km (0.118 R)
• M10: 5,594,362 km (0.064 R)
• M11: 6,016,976 km (0.118 R)
• M12: 6,665,184 km (0.107 R)
• M13: 7,033,045 km (0.101 R)
• M14: 9,666,715 km (0.059 R)
• M15: 10,207,960 km (0.118 R)
• M16: 11,574,537 km (0.107 R)
• M17: 14,405,527 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.8

Radius: 13.1

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.23 AU - 3.61 AU

Year: 4149 Days

Day: 5.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,003,154 km

• M1: 162,912 km (0.095 R)
• M2: 592,856 km (0.115 R)
• M3: 1,367,325 km (0.092 R)
• M4: 1,879,398 km (0.109 R)
• M5: 2,444,579 km (0.041 R)
• M6: 3,355,929 km (0.103 R)
• M7: 3,819,682 km (0.077 R)
• M8: 5,096,351 km (0.109 R)
• M9: 5,527,791 km (0.113 R)
• M10: 7,032,446 km (0.116 R)
• M11: 7,698,755 km (0.09 R)
• M12: 9,953,644 km (0.054 R)
• M13: 10,753,544 km (0.116 R)
• M14: 11,424,041 km (0.116 R)
• M15: 12,618,580 km (0.038 R)
• M16: 13,128,560 km (0.061 R)
• M17: 17,890,409 km (0.105 R)
• M18: 18,593,968 km (0.079 R)
• M19: 20,370,443 km (0.082 R)
• M20: 20,944,151 km (0.099 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 15,798 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit