🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.9

Radius: 10.8

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.39 AU - 0.63 AU

Year: 251 Days

Day: 10.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,726,033 km

• M1: 134,339 km (0.048 R)
• M2: 533,017 km (0.094 R)
• M3: 874,998 km (0.06 R)
• M4: 1,294,171 km (0.086 R)
• M5: 2,014,635 km (0.094 R)
• M6: 2,625,293 km (0.072 R)
• M7: 2,974,754 km (0.1 R)
• M8: 3,552,501 km (0.048 R)
• M9: 3,958,060 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.3

Radius: 13.3

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.66 AU - 0.88 AU

Year: 466 Days

Day: 8.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,726,033 km

• M1: 165,455 km (0.088 R)
• M2: 581,637 km (0.094 R)
• M3: 1,042,996 km (0.06 R)
• M4: 1,570,329 km (0.08 R)
• M5: 2,186,672 km (0.064 R)
• M6: 3,529,014 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.3

Radius: 8.1

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.77 AU - 0.79 AU

Year: 476 Days

Day: 10.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,726,033 km

• M1: 100,829 km (0.108 R)
• M2: 369,058 km (0.041 R)
• M3: 657,782 km (0.07 R)
• M4: 1,060,499 km (0.091 R)
• M5: 1,723,667 km (0.092 R)
• M6: 2,271,195 km (0.095 R)
• M7: 2,620,655 km (0.109 R)
• M8: 3,073,638 km (0.078 R)
• M9: 3,396,919 km (0.102 R)
• M10: 3,731,719 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.1

Radius: 14

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.99 AU - 1.19 AU

Year: 786 Days

Day: 12.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,726,033 km

• M1: 174,132 km (0.07 R)
• M2: 635,941 km (0.118 R)
• M3: 1,260,063 km (0.113 R)
• M4: 1,753,885 km (0.074 R)
• M5: 2,315,775 km (0.114 R)
• M6: 2,767,710 km (0.113 R)
• M7: 3,468,277 km (0.097 R)
• M8: 4,004,286 km (0.11 R)
• M9: 4,578,742 km (0.109 R)
• M10: 5,717,182 km (0.079 R)
• M11: 6,177,195 km (0.108 R)
• M12: 7,059,075 km (0.089 R)
• M13: 8,679,220 km (0.029 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.9

Radius: 14.7

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.04 AU - 1.5 AU

Year: 988 Days

Day: 10.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,726,033 km

• M1: 182,809 km (0.118 R)
• M2: 694,284 km (0.103 R)
• M3: 1,432,250 km (0.082 R)
• M4: 3,111,337 km (0.094 R)
• M5: 4,077,589 km (0.072 R)
• M6: 4,855,498 km (0.102 R)
• M7: 5,397,491 km (0.068 R)
• M8: 7,182,942 km (0.094 R)
• M9: 8,031,311 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.1

Radius: 13.5

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.49 AU - 1.61 AU

Year: 1332 Days

Day: 13.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,726,033 km

• M1: 167,849 km (0.037 R)
• M2: 656,286 km (0.057 R)
• M3: 1,328,279 km (0.081 R)
• M4: 1,934,300 km (0.114 R)
• M5: 2,487,364 km (0.117 R)
• M6: 3,797,093 km (0.11 R)
• M7: 4,386,060 km (0.106 R)
• M8: 4,912,644 km (0.04 R)
• M9: 5,569,529 km (0.11 R)
• M10: 6,023,857 km (0.111 R)
• M11: 7,190,122 km (0.117 R)
• M12: 7,619,917 km (0.059 R)
• M13: 10,300,262 km (0.096 R)
• M14: 10,778,377 km (0.061 R)
• M15: 11,669,083 km (0.072 R)
• M16: 12,801,987 km (0.07 R)
• M17: 13,883,281 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.2

Radius: 11.5

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.34 AU - 6.22 AU

Year: 8375 Days

Day: 9.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,726,033 km

• M1: 143,464 km (0.088 R)
• M2: 899,382 km (0.086 R)
• M3: 1,351,617 km (0.07 R)
• M4: 2,695,604 km (0.111 R)
• M5: 3,432,523 km (0.107 R)
• M6: 4,701,412 km (0.113 R)
• M7: 5,458,078 km (0.083 R)
• M8: 7,861,817 km (0.102 R)
• M9: 10,087,833 km (0.112 R)
• M10: 14,288,093 km (0.098 R)
• M11: 19,098,263 km (0.115 R)
• M12: 20,789,317 km (0.073 R)
• M13: 21,477,467 km (0.041 R)
• M14: 22,101,889 km (0.08 R)
• M15: 33,602,375 km (0.102 R)
• M16: 34,444,012 km (0.108 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 16,601 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit