🌌 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: 753.6

Radius: 11.1

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.69 AU - 0.99 AU

Year: 513 Days

Day: 14.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,256,996 km

• M1: 139,276 km (0.103 R)
• M2: 566,677 km (0.087 R)
• M3: 960,269 km (0.115 R)
• M4: 1,458,280 km (0.111 R)
• M5: 1,860,998 km (0.025 R)
• M6: 2,565,603 km (0.095 R)
• M7: 2,952,164 km (0.102 R)
• M8: 3,776,897 km (0.107 R)
• M9: 4,150,144 km (0.073 R)
• M10: 4,955,429 km (0.05 R)
• M11: 6,100,302 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.1

Radius: 11.1

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.56 AU - 1.78 AU

Year: 1439 Days

Day: 10.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,256,996 km

• M1: 138,079 km (0.117 R)
• M2: 496,067 km (0.12 R)
• M3: 954,434 km (0.115 R)
• M4: 1,435,990 km (0.109 R)
• M5: 2,009,548 km (0.082 R)
• M6: 2,490,356 km (0.102 R)
• M7: 3,436,413 km (0.081 R)
• M8: 3,894,182 km (0.084 R)
• M9: 5,251,633 km (0.084 R)
• M10: 5,607,377 km (0.06 R)
• M11: 6,392,018 km (0.062 R)
• M12: 7,113,977 km (0.111 R)
• M13: 9,252,628 km (0.075 R)
• M14: 9,674,345 km (0.116 R)
• M15: 10,486,362 km (0.08 R)
• M16: 11,161,048 km (0.107 R)
• M17: 11,601,913 km (0.085 R)
• M18: 12,676,026 km (0.103 R)
• M19: 13,565,535 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.1

Radius: 11.9

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.47 AU - 3.65 AU

Year: 4479 Days

Day: 14.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,256,996 km

• M1: 148,102 km (0.106 R)
• M2: 519,853 km (0.057 R)
• M3: 900,579 km (0.114 R)
• M4: 1,479,373 km (0.078 R)
• M5: 1,977,385 km (0.047 R)
• M6: 2,503,670 km (0.071 R)
• M7: 3,180,002 km (0.087 R)
• M8: 3,997,106 km (0.054 R)
• M9: 4,517,108 km (0.083 R)
• M10: 5,055,211 km (0.113 R)
• M11: 5,635,801 km (0.1 R)
• M12: 7,334,784 km (0.092 R)
• M13: 8,643,017 km (0.062 R)
• M14: 10,058,362 km (0.1 R)
• M15: 10,489,803 km (0.07 R)
• M16: 12,002,088 km (0.111 R)
• M17: 12,685,899 km (0.08 R)
• M18: 13,655,144 km (0.102 R)
• M19: 17,655,690 km (0.118 R)
• M20: 19,190,265 km (0.074 R)
• M21: 20,398,118 km (0.038 R)
• M22: 21,727,595 km (0.091 R)
• M23: 23,714,853 km (0.106 R)
• M24: 26,386,372 km (0.085 R)
• M25: 28,388,889 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.4

Radius: 6.6

Gravity: 16.24 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.16 AU - 7.26 AU

Year: 11591 Days

Day: 22.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,256,996 km

• M1: 82,129 km (0.063 R)
• M2: 576,401 km (0.111 R)
• M3: 1,317,808 km (0.087 R)
• M4: 1,750,445 km (0.082 R)
• M5: 2,255,038 km (0.052 R)
• M6: 2,965,030 km (0.115 R)
• M7: 4,817,650 km (0.052 R)
• M8: 5,875,307 km (0.111 R)
• M9: 7,162,746 km (0.096 R)
• M10: 9,256,817 km (0.116 R)
• M11: 13,492,830 km (0.105 R)
• M12: 18,627,328 km (0.103 R)
• M13: 20,423,401 km (0.111 R)
• M14: 23,421,641 km (0.102 R)
• M15: 27,927,529 km (0.1 R)
• M16: 28,344,608 km (0.104 R)
• M17: 44,559,072 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.7

Radius: 5.9

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.13 AU - 7.77 AU

Year: 13560 Days

Day: 21.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,256,996 km

• M1: 73,453 km (0.111 R)
• M2: 297,251 km (0.108 R)
• M3: 556,354 km (0.055 R)
• M4: 1,401,134 km (0.09 R)
• M5: 2,153,611 km (0.112 R)
• M6: 3,390,636 km (0.029 R)
• M7: 3,846,311 km (0.106 R)
• M8: 4,441,112 km (0.103 R)
• M9: 4,747,488 km (0.092 R)
• M10: 6,147,276 km (0.056 R)
• M11: 6,560,465 km (0.106 R)
• M12: 7,232,159 km (0.115 R)
• M13: 8,172,681 km (0.089 R)
• M14: 9,860,145 km (0.078 R)
• M15: 10,922,141 km (0.117 R)
• M16: 13,480,713 km (0.063 R)
• M17: 16,594,144 km (0.068 R)
• M18: 20,155,770 km (0.107 R)
• M19: 20,502,687 km (0.036 R)
• M20: 20,995,313 km (0.051 R)
• M21: 23,271,744 km (0.086 R)
• M22: 26,198,028 km (0.086 R)
• M23: 30,257,067 km (0.09 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 19,367 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit