🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.5

Radius: 11.3

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.45 AU - 0.73 AU

Year: 302 Days

Day: 6.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 17,944,236 km

• M1: 140,472 km (0.108 R)
• M2: 521,648 km (0.06 R)
• M3: 968,945 km (0.099 R)
• M4: 1,584,989 km (0.061 R)
• M5: 1,959,283 km (0.083 R)
• M6: 2,521,921 km (0.116 R)
• M7: 2,882,302 km (0.067 R)
• M8: 3,666,195 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.6

Radius: 12.2

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.98 AU - 1.1 AU

Year: 707 Days

Day: 12.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,944,236 km

• M1: 151,692 km (0.057 R)
• M2: 549,323 km (0.096 R)
• M3: 1,149,360 km (0.047 R)
• M4: 1,609,523 km (0.041 R)
• M5: 2,506,812 km (0.057 R)
• M6: 3,146,941 km (0.105 R)
• M7: 3,636,575 km (0.051 R)
• M8: 4,094,494 km (0.102 R)
• M9: 4,785,486 km (0.096 R)
• M10: 5,239,665 km (0.112 R)
• M11: 5,791,532 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.8

Radius: 10.5

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.85 AU - 1.39 AU

Year: 790 Days

Day: 14.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 17,944,236 km

• M1: 135,087 km (0.104 R)
• M2: 857,794 km (0.117 R)
• M3: 1,283,550 km (0.032 R)
• M4: 1,798,316 km (0.047 R)
• M5: 2,538,526 km (0.106 R)
• M6: 3,436,263 km (0.096 R)
• M7: 3,840,028 km (0.106 R)
• M8: 4,183,205 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.7

Radius: 9.1

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.24 AU - 1.74 AU

Year: 1213 Days

Day: 13.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 17,944,236 km

• M1: 113,246 km (0.036 R)
• M2: 407,654 km (0.075 R)
• M3: 773,720 km (0.066 R)
• M4: 1,185,114 km (0.116 R)
• M5: 2,113,369 km (0.063 R)
• M6: 2,788,205 km (0.071 R)
• M7: 4,401,768 km (0.049 R)
• M8: 4,835,751 km (0.073 R)
• M9: 5,357,997 km (0.118 R)
• M10: 6,046,596 km (0.099 R)
• M11: 7,055,185 km (0.056 R)
• M12: 7,398,662 km (0.098 R)
• M13: 8,551,164 km (0.091 R)
• M14: 8,970,188 km (0.078 R)
• M15: 9,579,799 km (0.099 R)
• M16: 10,309,986 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.2

Radius: 9.6

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.63 AU - 1.83 AU

Year: 1517 Days

Day: 12.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 17,944,236 km

• M1: 119,379 km (0.071 R)
• M2: 460,761 km (0.079 R)
• M3: 791,522 km (0.112 R)
• M4: 1,389,166 km (0.11 R)
• M5: 1,721,871 km (0.11 R)
• M6: 2,174,405 km (0.063 R)
• M7: 2,640,552 km (0.102 R)
• M8: 2,959,794 km (0.11 R)
• M9: 3,395,423 km (0.073 R)
• M10: 3,823,572 km (0.086 R)
• M11: 4,269,673 km (0.105 R)
• M12: 4,598,639 km (0.117 R)
• M13: 5,930,658 km (0.117 R)
• M14: 6,795,184 km (0.091 R)
• M15: 7,194,012 km (0.108 R)
• M16: 7,848,802 km (0.074 R)
• M17: 8,204,546 km (0.113 R)
• M18: 8,773,167 km (0.113 R)
• M19: 10,116,257 km (0.099 R)
• M20: 10,937,998 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.5

Radius: 12.2

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.83 AU - 2.11 AU

Year: 1844 Days

Day: 11.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 17,944,236 km

• M1: 151,842 km (0.084 R)
• M2: 580,440 km (0.115 R)
• M3: 1,168,060 km (0.078 R)
• M4: 1,593,965 km (0.104 R)
• M5: 3,378,070 km (0.036 R)
• M6: 3,921,559 km (0.095 R)
• M7: 4,302,734 km (0.12 R)
• M8: 4,750,780 km (0.092 R)
• M9: 5,252,531 km (0.082 R)
• M10: 7,001,031 km (0.104 R)
• M11: 7,594,336 km (0.112 R)
• M12: 8,721,107 km (0.062 R)
• M13: 9,851,917 km (0.094 R)
• M14: 10,345,142 km (0.108 R)
• M15: 11,191,118 km (0.047 R)
• M16: 14,586,241 km (0.116 R)
• M17: 16,176,467 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.2

Radius: 10.7

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.64 AU - 2.6 AU

Year: 2058 Days

Day: 9.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 17,944,236 km

• M1: 138,976 km (0.074 R)
• M2: 590,313 km (0.094 R)
• M3: 1,149,510 km (0.107 R)
• M4: 1,500,317 km (0.12 R)
• M5: 1,889,421 km (0.11 R)
• M6: 2,845,202 km (0.049 R)
• M7: 3,772,559 km (0.065 R)
• M8: 6,112,270 km (0.068 R)
• M9: 7,005,070 km (0.074 R)
• M10: 7,527,615 km (0.075 R)
• M11: 8,815,055 km (0.09 R)
• M12: 9,739,569 km (0.096 R)
• M13: 10,134,358 km (0.099 R)
• M14: 11,422,545 km (0.077 R)
• M15: 12,147,198 km (0.065 R)
• M16: 13,074,106 km (0.082 R)
• M17: 15,307,602 km (0.045 R)
• M18: 16,039,435 km (0.111 R)
• M19: 16,590,703 km (0.1 R)
• M20: 17,731,387 km (0.069 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 11,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit