🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.5

Radius: 8.2

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.44 AU - 0.74 AU

Year: 313 Days

Day: 10.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,552,910 km

• M1: 102,026 km (0.118 R)
• M2: 361,578 km (0.081 R)
• M3: 672,143 km (0.082 R)
• M4: 1,076,656 km (0.038 R)
• M5: 1,742,965 km (0.109 R)
• M6: 2,003,863 km (0.053 R)
• M7: 2,570,241 km (0.042 R)
• M8: 2,929,874 km (0.118 R)
• M9: 3,570,602 km (0.117 R)
• M10: 3,889,245 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.9

Radius: 10.7

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.67 AU - 0.89 AU

Year: 476 Days

Day: 7.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,552,910 km

• M1: 133,740 km (0.119 R)
• M2: 646,562 km (0.086 R)
• M3: 1,023,249 km (0.103 R)
• M4: 1,452,745 km (0.09 R)
• M5: 1,877,453 km (0.069 R)
• M6: 2,411,817 km (0.111 R)
• M7: 2,826,053 km (0.114 R)
• M8: 3,542,926 km (0.082 R)
• M9: 3,912,882 km (0.063 R)
• M10: 4,281,341 km (0.058 R)
• M11: 4,982,507 km (0.083 R)
• M12: 5,337,203 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.9

Radius: 11.3

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.34 AU - 1.74 AU

Year: 1319 Days

Day: 10.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,552,910 km

• M1: 141,220 km (0.084 R)
• M2: 534,214 km (0.112 R)
• M3: 933,640 km (0.117 R)
• M4: 1,296,116 km (0.119 R)
• M5: 1,764,806 km (0.104 R)
• M6: 2,544,959 km (0.117 R)
• M7: 3,065,410 km (0.07 R)
• M8: 3,739,199 km (0.083 R)
• M9: 5,338,998 km (0.111 R)
• M10: 6,101,798 km (0.101 R)
• M11: 6,682,986 km (0.076 R)
• M12: 7,816,638 km (0.112 R)
• M13: 8,356,687 km (0.074 R)
• M14: 9,799,857 km (0.055 R)
• M15: 10,160,388 km (0.104 R)
• M16: 10,838,665 km (0.079 R)
• M17: 11,224,478 km (0.111 R)
• M18: 11,912,628 km (0.085 R)
• M19: 13,095,349 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.6

Radius: 8.9

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.96 AU - 2.94 AU

Year: 2647 Days

Day: 6.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,552,910 km

• M1: 111,899 km (0.118 R)
• M2: 512,971 km (0.03 R)
• M3: 1,099,395 km (0.106 R)
• M4: 1,587,981 km (0.118 R)
• M5: 2,396,558 km (0.105 R)
• M6: 3,258,092 km (0.09 R)
• M7: 5,839,702 km (0.031 R)
• M8: 6,134,560 km (0.068 R)
• M9: 7,079,570 km (0.089 R)
• M10: 9,041,695 km (0.114 R)
• M11: 10,263,012 km (0.071 R)
• M12: 11,674,917 km (0.072 R)
• M13: 14,148,667 km (0.071 R)
• M14: 15,279,627 km (0.042 R)
• M15: 16,736,561 km (0.084 R)
• M16: 19,268,804 km (0.101 R)
• M17: 20,780,491 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.5

Radius: 13.3

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.29 AU - 3.37 AU

Year: 4194 Days

Day: 5.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,552,910 km

• M1: 178,321 km (0.069 R)
• M2: 599,738 km (0.092 R)
• M3: 1,704,967 km (0.101 R)
• M4: 2,288,997 km (0.118 R)
• M5: 6,953,010 km (0.075 R)
• M6: 7,850,298 km (0.065 R)
• M7: 10,698,492 km (0.113 R)
• M8: 13,089,215 km (0.066 R)
• M9: 14,409,417 km (0.066 R)
• M10: 15,029,350 km (0.082 R)
• M11: 16,169,735 km (0.118 R)
• M12: 16,735,215 km (0.039 R)
• M13: 18,234,185 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.9

Radius: 10.9

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.15 AU - 4.59 AU

Year: 6306 Days

Day: 7.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,552,910 km

• M1: 136,284 km (0.081 R)
• M2: 486,492 km (0.112 R)
• M3: 1,150,557 km (0.102 R)
• M4: 1,519,765 km (0.098 R)
• M5: 2,195,050 km (0.088 R)
• M6: 2,792,394 km (0.087 R)
• M7: 3,409,485 km (0.075 R)
• M8: 3,995,310 km (0.055 R)
• M9: 5,110,562 km (0.083 R)
• M10: 7,870,793 km (0.077 R)
• M11: 8,732,477 km (0.099 R)
• M12: 9,270,430 km (0.093 R)
• M13: 10,231,298 km (0.111 R)
• M14: 11,795,343 km (0.11 R)
• M15: 12,923,012 km (0.113 R)
• M16: 15,570,745 km (0.11 R)
• M17: 16,300,782 km (0.058 R)
• M18: 17,829,224 km (0.046 R)
• M19: 18,225,808 km (0.098 R)
• M20: 20,369,695 km (0.11 R)
• M21: 21,169,146 km (0.075 R)
• M22: 21,539,550 km (0.078 R)
• M23: 22,216,929 km (0.057 R)
• M24: 22,599,451 km (0.1 R)
• M25: 25,567,772 km (0.083 R)
• M26: 29,793,613 km (0.103 R)
• M27: 33,552,858 km (0.113 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 16,660 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit