🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.8

Radius: 11

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.53 AU - 0.61 AU

Year: 297 Days

Day: 9.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,262,520 km

• M1: 136,732 km (0.113 R)
• M2: 519,853 km (0.097 R)
• M3: 900,729 km (0.065 R)
• M4: 1,259,764 km (0.067 R)
• M5: 1,622,090 km (0.096 R)
• M6: 2,134,612 km (0.08 R)
• M7: 2,686,329 km (0.041 R)
• M8: 3,545,170 km (0.087 R)
• M9: 4,076,692 km (0.087 R)
• M10: 4,496,164 km (0.107 R)
• M11: 4,915,487 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.2

Radius: 11.6

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.53 AU - 0.77 AU

Year: 362 Days

Day: 8.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,262,520 km

• M1: 146,307 km (0.075 R)
• M2: 508,782 km (0.092 R)
• M3: 1,187,209 km (0.089 R)
• M4: 1,752,838 km (0.064 R)
• M5: 3,465,734 km (0.078 R)
• M6: 3,845,413 km (0.056 R)
• M7: 4,647,258 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471

Radius: 10.2

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.76 AU - 0.8 AU

Year: 476 Days

Day: 13.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,262,520 km

• M1: 126,859 km (0.056 R)
• M2: 528,828 km (0.112 R)
• M3: 939,175 km (0.106 R)
• M4: 1,364,482 km (0.085 R)
• M5: 1,715,289 km (0.114 R)
• M6: 3,107,597 km (0.087 R)
• M7: 3,578,082 km (0.087 R)
• M8: 4,042,882 km (0.09 R)
• M9: 4,477,165 km (0.102 R)
• M10: 4,927,455 km (0.118 R)
• M11: 5,280,805 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.7

Radius: 10.6

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.35 AU - 2.37 AU

Year: 2503 Days

Day: 10.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,262,520 km

• M1: 131,796 km (0.101 R)
• M2: 860,487 km (0.114 R)
• M3: 1,236,726 km (0.108 R)
• M4: 1,702,274 km (0.084 R)
• M5: 2,547,502 km (0.077 R)
• M6: 2,975,651 km (0.111 R)
• M7: 4,470,732 km (0.111 R)
• M8: 5,097,248 km (0.091 R)
• M9: 6,225,665 km (0.071 R)
• M10: 6,608,636 km (0.11 R)
• M11: 7,422,149 km (0.064 R)
• M12: 7,822,024 km (0.092 R)
• M13: 8,203,798 km (0.096 R)
• M14: 10,646,432 km (0.1 R)
• M15: 12,012,859 km (0.089 R)
• M16: 12,781,941 km (0.118 R)
• M17: 14,418,093 km (0.085 R)
• M18: 15,484,277 km (0.057 R)
• M19: 15,834,336 km (0.073 R)
• M20: 18,101,941 km (0.059 R)
• M21: 19,227,216 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.9

Radius: 13

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.63 AU - 3.01 AU

Year: 3269 Days

Day: 5.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,262,520 km

• M1: 161,715 km (0.116 R)
• M2: 623,225 km (0.094 R)
• M3: 1,065,286 km (0.09 R)
• M4: 2,285,107 km (0.118 R)
• M5: 2,755,443 km (0.032 R)
• M6: 3,255,100 km (0.057 R)
• M7: 4,223,746 km (0.118 R)
• M8: 4,938,974 km (0.113 R)
• M9: 6,025,952 km (0.099 R)
• M10: 6,526,058 km (0.107 R)
• M11: 6,934,011 km (0.025 R)
• M12: 8,095,339 km (0.085 R)
• M13: 8,670,693 km (0.083 R)
• M14: 9,093,157 km (0.057 R)
• M15: 9,566,335 km (0.114 R)
• M16: 9,979,524 km (0.11 R)
• M17: 11,374,375 km (0.102 R)
• M18: 12,184,148 km (0.071 R)
• M19: 12,670,192 km (0.108 R)
• M20: 14,795,529 km (0.114 R)
• M21: 15,451,366 km (0.067 R)
• M22: 16,984,594 km (0.065 R)
• M23: 18,270,986 km (0.089 R)
• M24: 19,026,156 km (0.074 R)
• M25: 20,167,439 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.2

Radius: 14.7

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.39 AU - 4.85 AU

Year: 6854 Days

Day: 11.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 80.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,262,520 km

• M1: 182,809 km (0.077 R)
• M2: 693,536 km (0.05 R)
• M3: 1,158,785 km (0.046 R)
• M4: 3,197,206 km (0.113 R)
• M5: 3,910,189 km (0.088 R)
• M6: 4,727,592 km (0.063 R)
• M7: 5,420,679 km (0.098 R)
• M8: 6,244,664 km (0.093 R)
• M9: 7,256,843 km (0.098 R)
• M10: 8,104,913 km (0.119 R)
• M11: 8,895,239 km (0.103 R)
• M12: 10,676,202 km (0.097 R)
• M13: 13,425,063 km (0.083 R)
• M14: 16,184,694 km (0.118 R)
• M15: 16,866,861 km (0.065 R)
• M16: 17,958,776 km (0.089 R)
• M17: 19,579,968 km (0.096 R)
• M18: 21,076,844 km (0.087 R)
• M19: 22,191,947 km (0.065 R)
• M20: 26,025,691 km (0.051 R)
• M21: 28,994,760 km (0.1 R)
• M22: 29,724,798 km (0.045 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: 169 - 10,653 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit