🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.1

Radius: 8.3

Gravity: 12.14 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.77 AU - 1.05 AU

Year: 561 Days

Day: 10.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,438,136 km

• M1: 103,522 km (0.102 R)
• M2: 442,660 km (0.104 R)
• M3: 759,658 km (0.029 R)
• M4: 1,113,906 km (0.082 R)
• M5: 1,539,512 km (0.085 R)
• M6: 1,824,346 km (0.067 R)
• M7: 2,135,210 km (0.108 R)
• M8: 2,419,596 km (0.048 R)
• M9: 2,934,661 km (0.114 R)
• M10: 3,560,878 km (0.101 R)
• M11: 3,849,153 km (0.081 R)
• M12: 4,535,957 km (0.094 R)
• M13: 5,425,765 km (0.101 R)
• M14: 5,771,486 km (0.047 R)
• M15: 6,288,346 km (0.092 R)
• M16: 6,711,260 km (0.083 R)
• M17: 7,239,340 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.3

Radius: 12.7

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.05 AU - 1.63 AU

Year: 1002 Days

Day: 10.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,438,136 km

• M1: 157,975 km (0.097 R)
• M2: 616,194 km (0.084 R)
• M3: 1,162,076 km (0.111 R)
• M4: 1,819,409 km (0.059 R)
• M5: 2,526,409 km (0.09 R)
• M6: 3,353,685 km (0.097 R)
• M7: 4,074,747 km (0.085 R)
• M8: 5,603,787 km (0.118 R)
• M9: 6,399,647 km (0.029 R)
• M10: 8,036,098 km (0.112 R)
• M11: 9,187,852 km (0.106 R)
• M12: 10,024,853 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.4

Radius: 13.2

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.38 AU - 1.58 AU

Year: 1163 Days

Day: 11.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,438,136 km

• M1: 164,857 km (0.114 R)
• M2: 663,467 km (0.047 R)
• M3: 1,174,642 km (0.069 R)
• M4: 1,648,569 km (0.096 R)
• M5: 2,571,139 km (0.102 R)
• M6: 3,089,645 km (0.087 R)
• M7: 3,921,110 km (0.117 R)
• M8: 4,440,813 km (0.102 R)
• M9: 5,155,292 km (0.112 R)
• M10: 6,091,326 km (0.114 R)
• M11: 6,701,087 km (0.053 R)
• M12: 8,017,548 km (0.057 R)
• M13: 8,913,789 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995

Radius: 11.6

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.38 AU - 4.26 AU

Year: 4821 Days

Day: 14.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 113.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,438,136 km

• M1: 144,212 km (0.074 R)
• M2: 741,856 km (0.076 R)
• M3: 1,473,539 km (0.079 R)
• M4: 2,351,828 km (0.083 R)
• M5: 2,994,351 km (0.034 R)
• M6: 3,911,984 km (0.092 R)
• M7: 4,273,263 km (0.072 R)
• M8: 4,683,311 km (0.11 R)
• M9: 7,073,735 km (0.073 R)
• M10: 10,049,536 km (0.075 R)
• M11: 11,640,360 km (0.111 R)
• M12: 12,290,811 km (0.096 R)
• M13: 13,231,483 km (0.081 R)
• M14: 14,502,466 km (0.116 R)
• M15: 15,672,471 km (0.08 R)
• M16: 17,094,549 km (0.101 R)
• M17: 18,803,704 km (0.104 R)
• M18: 19,699,796 km (0.066 R)
• M19: 23,808,352 km (0.079 R)
• M20: 31,612,424 km (0.043 R)
• M21: 32,583,613 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588

Radius: 9.6

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.53 AU - 4.33 AU

Year: 5030 Days

Day: 11.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,438,136 km

• M1: 126,261 km (0.12 R)
• M2: 424,858 km (0.073 R)
• M3: 1,669,213 km (0.068 R)
• M4: 3,023,074 km (0.097 R)
• M5: 3,663,353 km (0.11 R)
• M6: 4,612,701 km (0.078 R)
• M7: 5,158,583 km (0.103 R)
• M8: 7,536,142 km (0.111 R)
• M9: 9,464,010 km (0.099 R)
• M10: 12,765,336 km (0.086 R)
• M11: 13,579,747 km (0.066 R)
• M12: 16,467,135 km (0.047 R)
• M13: 21,813,913 km (0.04 R)
• M14: 22,977,186 km (0.11 R)
• M15: 24,028,560 km (0.071 R)
• M16: 25,347,863 km (0.116 R)
• M17: 27,541,716 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.6

Radius: 13.1

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.65 AU - 4.95 AU

Year: 5757 Days

Day: 9.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,438,136 km

• M1: 162,912 km (0.072 R)
• M2: 649,704 km (0.081 R)
• M3: 1,206,208 km (0.068 R)
• M4: 1,819,708 km (0.088 R)
• M5: 2,708,021 km (0.033 R)
• M6: 4,179,765 km (0.076 R)
• M7: 6,035,676 km (0.097 R)
• M8: 6,659,648 km (0.05 R)
• M9: 7,732,415 km (0.084 R)
• M10: 8,630,451 km (0.074 R)
• M11: 9,816,313 km (0.08 R)
• M12: 10,448,663 km (0.072 R)
• M13: 10,869,332 km (0.111 R)
• M14: 11,546,412 km (0.114 R)
• M15: 11,996,403 km (0.115 R)
• M16: 14,539,716 km (0.091 R)
• M17: 15,482,183 km (0.057 R)
• M18: 17,293,663 km (0.08 R)
• M19: 21,860,886 km (0.119 R)
• M20: 22,706,264 km (0.082 R)
• M21: 26,221,066 km (0.117 R)
• M22: 30,177,481 km (0.084 R)
• M23: 30,746,102 km (0.109 R)
• M24: 33,293,455 km (0.085 R)
• M25: 34,515,370 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.9

Radius: 5.3

Gravity: 32.86 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 9.1 AU - 10.72 AU

Year: 20143 Days

Day: 16.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,438,136 km

• M1: 66,571 km (0.108 R)
• M2: 282,890 km (0.081 R)
• M3: 495,169 km (0.048 R)
• M4: 663,018 km (0.118 R)
• M5: 1,337,405 km (0.088 R)
• M6: 3,969,729 km (0.077 R)
• M7: 5,506,398 km (0.112 R)
• M8: 6,052,730 km (0.047 R)
• M9: 6,727,416 km (0.115 R)
• M10: 10,175,647 km (0.082 R)
• M11: 12,485,289 km (0.109 R)
• M12: 12,841,481 km (0.077 R)
• M13: 15,691,021 km (0.116 R)
• M14: 16,189,631 km (0.095 R)
• M15: 18,935,650 km (0.094 R)
• M16: 23,451,112 km (0.103 R)
• M17: 42,140,374 km (0.104 R)
• M18: 52,800,718 km (0.101 R)
• M19: 52,986,070 km (0.043 R)
• M20: 55,433,940 km (0.108 R)
• M21: 73,092,024 km (0.108 R)
• M22: 73,552,785 km (0.116 R)
• M23: 77,547,497 km (0.095 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 151 - 10,154 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit