🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.5

Radius: 13.5

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.3 AU - 1.5 AU

Year: 1070 Days

Day: 10.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,015,122 km

• M1: 173,234 km (0.087 R)
• M2: 719,566 km (0.11 R)
• M3: 1,213,239 km (0.079 R)
• M4: 1,725,761 km (0.095 R)
• M5: 2,190,412 km (0.104 R)
• M6: 2,713,556 km (0.038 R)
• M7: 3,454,963 km (0.065 R)
• M8: 4,363,471 km (0.111 R)
• M9: 5,852,269 km (0.041 R)
• M10: 7,068,350 km (0.084 R)
• M11: 7,500,538 km (0.093 R)
• M12: 8,140,817 km (0.077 R)
• M13: 8,875,492 km (0.114 R)
• M14: 10,187,316 km (0.088 R)
• M15: 11,074,730 km (0.04 R)
• M16: 11,520,083 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.6

Radius: 11.4

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.57 AU - 1.85 AU

Year: 1444 Days

Day: 6.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 169.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,015,122 km

• M1: 142,118 km (0.115 R)
• M2: 565,330 km (0.1 R)
• M3: 1,067,381 km (0.11 R)
• M4: 1,667,119 km (0.046 R)
• M5: 2,482,277 km (0.12 R)
• M6: 3,001,232 km (0.044 R)
• M7: 4,155,679 km (0.114 R)
• M8: 4,740,906 km (0.086 R)
• M9: 7,121,756 km (0.07 R)
• M10: 7,700,401 km (0.113 R)
• M11: 8,201,703 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.7

Radius: 11.6

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.95 AU - 2.75 AU

Year: 2326 Days

Day: 9.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,015,122 km

• M1: 144,212 km (0.089 R)
• M2: 594,203 km (0.091 R)
• M3: 1,134,849 km (0.097 R)
• M4: 1,592,320 km (0.106 R)
• M5: 2,207,616 km (0.075 R)
• M6: 3,259,289 km (0.076 R)
• M7: 4,074,747 km (0.065 R)
• M8: 7,134,322 km (0.111 R)
• M9: 8,241,945 km (0.091 R)
• M10: 9,083,134 km (0.032 R)
• M11: 12,291,559 km (0.077 R)
• M12: 13,673,694 km (0.028 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.1

Radius: 12.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.07 AU - 2.87 AU

Year: 2506 Days

Day: 10.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,015,122 km

• M1: 175,777 km (0.111 R)
• M2: 703,110 km (0.103 R)
• M3: 1,298,360 km (0.118 R)
• M4: 1,838,259 km (0.054 R)
• M5: 2,795,835 km (0.104 R)
• M6: 3,349,496 km (0.113 R)
• M7: 4,344,472 km (0.111 R)
• M8: 5,527,193 km (0.099 R)
• M9: 5,965,963 km (0.119 R)
• M10: 9,138,635 km (0.095 R)
• M11: 9,754,380 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.6

Radius: 12.5

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.68 AU - 6.8 AU

Year: 8879 Days

Day: 8 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,015,122 km

• M1: 165,455 km (0.116 R)
• M2: 563,086 km (0.099 R)
• M3: 1,135,747 km (0.094 R)
• M4: 3,072,740 km (0.108 R)
• M5: 4,903,968 km (0.119 R)
• M6: 6,711,260 km (0.119 R)
• M7: 8,343,372 km (0.12 R)
• M8: 8,926,954 km (0.103 R)
• M9: 10,842,704 km (0.077 R)
• M10: 12,093,492 km (0.044 R)
• M11: 12,492,619 km (0.067 R)
• M12: 13,018,755 km (0.089 R)
• M13: 14,367,529 km (0.092 R)
• M14: 18,896,006 km (0.096 R)
• M15: 20,380,915 km (0.087 R)
• M16: 22,795,574 km (0.088 R)
• M17: 24,116,673 km (0.091 R)
• M18: 24,933,477 km (0.05 R)
• M19: 26,911,011 km (0.062 R)
• M20: 27,888,633 km (0.115 R)
• M21: 28,386,196 km (0.111 R)
• M22: 28,889,742 km (0.066 R)
• M23: 32,363,854 km (0.108 R)
• M24: 35,872,522 km (0.104 R)
• M25: 41,148,390 km (0.051 R)
• M26: 42,314,506 km (0.067 R)
• M27: 42,839,893 km (0.09 R)
• M28: 45,669,687 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.8

Radius: 3.6

Gravity: 16.5 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 7.69 AU - 8.75 AU

Year: 15217 Days

Day: 20.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,015,122 km

• M1: 45,328 km (0.112 R)
• M2: 263,442 km (0.092 R)
• M3: 732,431 km (0.119 R)
• M4: 938,427 km (0.119 R)
• M5: 1,170,454 km (0.101 R)
• M6: 1,855,762 km (0.07 R)
• M7: 2,066,395 km (0.12 R)
• M8: 2,836,376 km (0.102 R)
• M9: 4,365,266 km (0.11 R)
• M10: 5,100,240 km (0.062 R)
• M11: 6,551,340 km (0.074 R)
• M12: 8,044,476 km (0.07 R)
• M13: 8,299,391 km (0.072 R)
• M14: 10,738,285 km (0.098 R)
• M15: 21,230,780 km (0.118 R)
• M16: 21,392,196 km (0.092 R)
• M17: 21,635,592 km (0.102 R)
• M18: 22,712,248 km (0.071 R)
• M19: 30,133,798 km (0.105 R)
• M20: 31,265,805 km (0.077 R)
• M21: 31,474,644 km (0.042 R)
• M22: 37,825,074 km (0.042 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: 232 - 14,194 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit