🌌 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: 539.1

Radius: 13.7

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.51 AU - 0.51 AU

Year: 243 Days

Day: 6.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 25,335,884 km

• M1: 170,392 km (0.114 R)
• M2: 864,825 km (0.11 R)
• M3: 1,323,642 km (0.114 R)
• M4: 1,969,905 km (0.069 R)
• M5: 2,559,021 km (0.038 R)
• M6: 3,575,240 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.3

Radius: 12.6

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.46 AU - 0.66 AU

Year: 279 Days

Day: 7.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,335,884 km

• M1: 156,629 km (0.099 R)
• M2: 573,857 km (0.111 R)
• M3: 977,622 km (0.086 R)
• M4: 1,393,654 km (0.11 R)
• M5: 2,044,105 km (0.114 R)
• M6: 2,604,649 km (0.104 R)
• M7: 3,307,160 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.5

Radius: 9.9

Gravity: 10.18 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.49 AU - 0.73 AU

Year: 318 Days

Day: 7.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,335,884 km

• M1: 123,418 km (0.111 R)
• M2: 634,893 km (0.068 R)
• M3: 952,639 km (0.042 R)
• M4: 1,368,222 km (0.073 R)
• M5: 1,746,854 km (0.102 R)
• M6: 2,545,557 km (0.112 R)
• M7: 3,081,716 km (0.068 R)
• M8: 3,790,511 km (0.115 R)
• M9: 4,284,633 km (0.105 R)
• M10: 4,647,108 km (0.084 R)
• M11: 5,060,298 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.4

Radius: 12.9

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.65 AU - 0.89 AU

Year: 451 Days

Day: 6.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,335,884 km

• M1: 160,519 km (0.116 R)
• M2: 599,887 km (0.104 R)
• M3: 1,058,255 km (0.114 R)
• M4: 1,527,245 km (0.099 R)
• M5: 2,448,768 km (0.096 R)
• M6: 3,520,487 km (0.058 R)
• M7: 4,303,781 km (0.106 R)
• M8: 5,032,622 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.1

Radius: 13.6

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.4 AU - 1.76 AU

Year: 1324 Days

Day: 13.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,335,884 km

• M1: 170,093 km (0.039 R)
• M2: 600,336 km (0.109 R)
• M3: 1,087,427 km (0.061 R)
• M4: 1,554,920 km (0.066 R)
• M5: 2,563,659 km (0.087 R)
• M6: 2,993,902 km (0.03 R)
• M7: 4,414,932 km (0.108 R)
• M8: 5,600,645 km (0.083 R)
• M9: 6,919,051 km (0.103 R)
• M10: 8,120,621 km (0.079 R)
• M11: 8,867,264 km (0.049 R)
• M12: 10,192,851 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.6

Radius: 14.5

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.55 AU - 3.19 AU

Year: 3242 Days

Day: 5.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,335,884 km

• M1: 180,265 km (0.083 R)
• M2: 908,059 km (0.105 R)
• M3: 1,468,453 km (0.116 R)
• M4: 2,133,714 km (0.108 R)
• M5: 4,080,282 km (0.091 R)
• M6: 4,684,059 km (0.046 R)
• M7: 5,456,433 km (0.083 R)
• M8: 6,385,585 km (0.081 R)
• M9: 8,262,889 km (0.12 R)
• M10: 10,762,520 km (0.038 R)
• M11: 11,223,580 km (0.045 R)
• M12: 13,002,000 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.3

Radius: 10.8

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.38 AU - 3.56 AU

Year: 3413 Days

Day: 5.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 25,335,884 km

• M1: 134,339 km (0.066 R)
• M2: 514,018 km (0.111 R)
• M3: 1,606,382 km (0.058 R)
• M4: 2,055,325 km (0.041 R)
• M5: 2,750,806 km (0.076 R)
• M6: 4,631,550 km (0.09 R)
• M7: 5,496,675 km (0.054 R)
• M8: 5,882,787 km (0.101 R)
• M9: 6,771,697 km (0.055 R)
• M10: 7,747,973 km (0.104 R)
• M11: 8,128,550 km (0.079 R)
• M12: 8,594,547 km (0.077 R)
• M13: 9,002,650 km (0.112 R)
• M14: 10,059,559 km (0.085 R)
• M15: 10,681,438 km (0.109 R)
• M16: 12,512,516 km (0.071 R)
• M17: 13,134,543 km (0.078 R)
• M18: 13,827,331 km (0.085 R)
• M19: 14,911,916 km (0.073 R)
• M20: 15,830,746 km (0.117 R)
• M21: 18,323,196 km (0.115 R)
• M22: 19,630,831 km (0.035 R)
• M23: 20,015,597 km (0.071 R)
• M24: 21,200,262 km (0.108 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: 498 - 17,459 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit