🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.3

Radius: 10.4

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.68 AU - 0.82 AU

Year: 426 Days

Day: 13.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,878,305 km

• M1: 129,402 km (0.037 R)
• M2: 495,618 km (0.086 R)
• M3: 857,196 km (0.1 R)
• M4: 1,255,425 km (0.049 R)
• M5: 1,750,893 km (0.105 R)
• M6: 2,182,035 km (0.057 R)
• M7: 2,594,625 km (0.101 R)
• M8: 3,374,778 km (0.04 R)
• M9: 3,941,754 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.8

Radius: 10.7

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.66 AU - 1.02 AU

Year: 505 Days

Day: 9.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 55.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 49,878,305 km

• M1: 161,267 km (0.107 R)
• M2: 520,002 km (0.109 R)
• M3: 1,208,003 km (0.112 R)
• M4: 2,046,499 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.3

Radius: 8.7

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.91 AU - 0.93 AU

Year: 579 Days

Day: 9.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,878,305 km

• M1: 108,159 km (0.119 R)
• M2: 390,002 km (0.095 R)
• M3: 853,157 km (0.044 R)
• M4: 1,216,081 km (0.047 R)
• M5: 1,523,056 km (0.083 R)
• M6: 1,890,169 km (0.109 R)
• M7: 2,420,045 km (0.118 R)
• M8: 2,741,231 km (0.062 R)
• M9: 3,045,663 km (0.118 R)
• M10: 3,433,421 km (0.114 R)
• M11: 3,840,626 km (0.058 R)
• M12: 4,860,136 km (0.054 R)
• M13: 5,275,419 km (0.055 R)
• M14: 5,801,405 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.3

Radius: 11.4

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.38 AU - 1.42 AU

Year: 1087 Days

Day: 8 Hours

Environment

Temp: -176 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,878,305 km

• M1: 141,819 km (0.084 R)
• M2: 521,648 km (0.082 R)
• M3: 903,122 km (0.075 R)
• M4: 1,341,444 km (0.107 R)
• M5: 1,762,413 km (0.114 R)
• M6: 2,190,562 km (0.106 R)
• M7: 2,596,421 km (0.102 R)
• M8: 3,065,260 km (0.027 R)
• M9: 4,143,263 km (0.092 R)
• M10: 4,531,918 km (0.057 R)
• M11: 5,630,864 km (0.051 R)
• M12: 5,987,056 km (0.041 R)
• M13: 7,447,730 km (0.087 R)
• M14: 7,829,354 km (0.039 R)
• M15: 8,198,861 km (0.094 R)
• M16: 8,946,401 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.8

Radius: 13.3

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.61 AU - 2.25 AU

Year: 1759 Days

Day: 14.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,878,305 km

• M1: 165,455 km (0.084 R)
• M2: 593,904 km (0.085 R)
• M3: 1,282,054 km (0.083 R)
• M4: 1,775,876 km (0.085 R)
• M5: 2,397,306 km (0.1 R)
• M6: 2,834,880 km (0.081 R)
• M7: 3,977,059 km (0.079 R)
• M8: 5,733,338 km (0.062 R)
• M9: 7,469,122 km (0.074 R)
• M10: 9,128,911 km (0.11 R)
• M11: 9,786,842 km (0.115 R)
• M12: 10,275,878 km (0.105 R)
• M13: 10,781,369 km (0.078 R)
• M14: 11,197,700 km (0.079 R)
• M15: 12,025,574 km (0.115 R)
• M16: 13,049,273 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.1

Radius: 9.6

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.51 AU - 3.07 AU

Year: 3057 Days

Day: 8.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,878,305 km

• M1: 120,127 km (0.048 R)
• M2: 483,201 km (0.081 R)
• M3: 1,085,781 km (0.082 R)
• M4: 1,392,008 km (0.099 R)
• M5: 1,855,313 km (0.059 R)
• M6: 2,236,189 km (0.041 R)
• M7: 2,698,147 km (0.106 R)
• M8: 3,579,727 km (0.061 R)
• M9: 4,077,739 km (0.111 R)
• M10: 4,791,620 km (0.107 R)
• M11: 5,144,671 km (0.12 R)
• M12: 7,612,138 km (0.102 R)
• M13: 8,186,743 km (0.099 R)
• M14: 8,564,328 km (0.118 R)
• M15: 11,738,795 km (0.102 R)
• M16: 12,838,938 km (0.115 R)
• M17: 14,230,049 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.4

Radius: 10.9

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.89 AU - 6.41 AU

Year: 8810 Days

Day: 8.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,878,305 km

• M1: 138,079 km (0.098 R)
• M2: 498,759 km (0.103 R)
• M3: 894,296 km (0.103 R)
• M4: 1,492,089 km (0.085 R)
• M5: 2,758,734 km (0.083 R)
• M6: 3,820,879 km (0.061 R)
• M7: 10,351,724 km (0.055 R)
• M8: 12,105,759 km (0.109 R)
• M9: 12,752,171 km (0.057 R)
• M10: 13,859,345 km (0.089 R)
• M11: 15,163,390 km (0.09 R)
• M12: 21,458,319 km (0.092 R)
• M13: 23,022,215 km (0.066 R)
• M14: 24,847,458 km (0.059 R)
• M15: 25,603,825 km (0.087 R)
• M16: 29,408,249 km (0.105 R)
• M17: 32,665,892 km (0.106 R)
• M18: 34,966,707 km (0.099 R)
• M19: 41,056,836 km (0.084 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 15,485 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit