🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.4

Radius: 9.8

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.61 AU - 0.63 AU

Year: 337 Days

Day: 6.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,172,311 km

• M1: 121,922 km (0.091 R)
• M2: 720,613 km (0.111 R)
• M3: 1,096,253 km (0.093 R)
• M4: 1,627,625 km (0.083 R)
• M5: 2,191,758 km (0.09 R)
• M6: 2,605,097 km (0.107 R)
• M7: 3,267,367 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.6

Radius: 12.7

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.6 AU - 0.72 AU

Year: 370 Days

Day: 5.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,172,311 km

• M1: 157,975 km (0.049 R)
• M2: 556,953 km (0.063 R)
• M3: 1,113,756 km (0.119 R)
• M4: 1,592,170 km (0.038 R)
• M5: 2,150,021 km (0.119 R)
• M6: 2,746,916 km (0.066 R)
• M7: 3,315,687 km (0.057 R)
• M8: 3,836,437 km (0.113 R)
• M9: 4,411,492 km (0.046 R)
• M10: 5,381,634 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.1

Radius: 11.2

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.6 AU - 0.88 AU

Year: 439 Days

Day: 14.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,172,311 km

• M1: 139,724 km (0.038 R)
• M2: 685,607 km (0.116 R)
• M3: 1,082,341 km (0.1 R)
• M4: 1,611,767 km (0.054 R)
• M5: 1,972,598 km (0.114 R)
• M6: 2,364,245 km (0.064 R)
• M7: 2,888,884 km (0.103 R)
• M8: 3,367,448 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.6

Radius: 12.2

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.32 AU - 1.38 AU

Year: 1083 Days

Day: 14.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,172,311 km

• M1: 151,692 km (0.076 R)
• M2: 537,356 km (0.078 R)
• M3: 1,085,333 km (0.066 R)
• M4: 1,583,194 km (0.097 R)
• M5: 1,977,684 km (0.118 R)
• M6: 2,415,108 km (0.118 R)
• M7: 2,944,385 km (0.089 R)
• M8: 3,398,714 km (0.089 R)
• M9: 3,999,050 km (0.093 R)
• M10: 4,857,892 km (0.118 R)
• M11: 5,250,436 km (0.087 R)
• M12: 5,706,710 km (0.112 R)
• M13: 6,371,822 km (0.075 R)
• M14: 7,830,551 km (0.092 R)
• M15: 8,511,670 km (0.071 R)
• M16: 10,276,327 km (0.12 R)
• M17: 10,663,187 km (0.115 R)
• M18: 11,261,877 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.8

Radius: 14.8

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.28 AU - 2.06 AU

Year: 1490 Days

Day: 6.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,172,311 km

• M1: 184,005 km (0.086 R)
• M2: 660,475 km (0.063 R)
• M3: 1,155,045 km (0.109 R)
• M4: 1,847,534 km (0.105 R)
• M5: 3,217,701 km (0.08 R)
• M6: 3,819,533 km (0.099 R)
• M7: 5,273,624 km (0.118 R)
• M8: 7,696,960 km (0.037 R)
• M9: 9,700,524 km (0.119 R)
• M10: 10,166,821 km (0.093 R)
• M11: 10,788,400 km (0.084 R)
• M12: 11,805,666 km (0.091 R)
• M13: 12,846,418 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.1

Radius: 12.9

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.4 AU - 2.22 AU

Year: 1681 Days

Day: 8.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,172,311 km

• M1: 160,369 km (0.079 R)
• M2: 712,235 km (0.069 R)
• M3: 1,234,182 km (0.029 R)
• M4: 1,684,322 km (0.095 R)
• M5: 2,185,176 km (0.096 R)
• M6: 2,974,006 km (0.119 R)
• M7: 3,766,874 km (0.094 R)
• M8: 5,138,836 km (0.104 R)
• M9: 7,446,683 km (0.05 R)
• M10: 8,289,966 km (0.042 R)
• M11: 9,003,099 km (0.1 R)
• M12: 9,589,523 km (0.046 R)
• M13: 10,097,707 km (0.107 R)
• M14: 10,552,484 km (0.073 R)
• M15: 10,984,373 km (0.114 R)
• M16: 13,117,639 km (0.098 R)
• M17: 13,744,454 km (0.096 R)
• M18: 15,239,535 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.3

Radius: 8.7

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.19 AU - 5.91 AU

Year: 7833 Days

Day: 9.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,172,311 km

• M1: 108,458 km (0.101 R)
• M2: 938,427 km (0.08 R)
• M3: 1,657,096 km (0.087 R)
• M4: 1,961,378 km (0.065 R)
• M5: 3,279,485 km (0.063 R)
• M6: 3,985,437 km (0.072 R)
• M7: 5,990,048 km (0.098 R)
• M8: 7,266,717 km (0.058 R)
• M9: 7,928,837 km (0.119 R)
• M10: 9,106,471 km (0.041 R)
• M11: 9,737,176 km (0.101 R)
• M12: 10,396,753 km (0.051 R)
• M13: 10,786,754 km (0.1 R)
• M14: 13,053,013 km (0.113 R)
• M15: 14,810,638 km (0.068 R)
• M16: 16,066,662 km (0.119 R)
• M17: 21,333,255 km (0.1 R)
• M18: 22,043,246 km (0.113 R)
• M19: 24,955,169 km (0.113 R)
• M20: 28,207,875 km (0.112 R)
• M21: 29,545,729 km (0.087 R)
• M22: 32,039,226 km (0.102 R)
• M23: 35,540,864 km (0.111 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 12,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit