🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.1

Radius: 14.9

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.94 AU - 1.32 AU

Year: 788 Days

Day: 11.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,237,763 km

• M1: 186,249 km (0.071 R)
• M2: 674,387 km (0.062 R)
• M3: 1,674,000 km (0.034 R)
• M4: 2,248,905 km (0.1 R)
• M5: 2,933,016 km (0.067 R)
• M6: 3,481,142 km (0.065 R)
• M7: 4,027,175 km (0.068 R)
• M8: 4,677,028 km (0.061 R)
• M9: 5,260,011 km (0.092 R)
• M10: 6,771,847 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.2

Radius: 12.5

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.99 AU - 1.51 AU

Year: 917 Days

Day: 13.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,237,763 km

• M1: 155,432 km (0.086 R)
• M2: 556,504 km (0.079 R)
• M3: 1,301,651 km (0.12 R)
• M4: 2,332,380 km (0.096 R)
• M5: 2,976,848 km (0.068 R)
• M6: 3,539,635 km (0.072 R)
• M7: 3,958,958 km (0.117 R)
• M8: 4,428,995 km (0.049 R)
• M9: 5,223,808 km (0.104 R)
• M10: 6,466,518 km (0.116 R)
• M11: 7,025,116 km (0.089 R)
• M12: 7,692,023 km (0.112 R)
• M13: 8,400,519 km (0.12 R)
• M14: 9,094,952 km (0.03 R)
• M15: 9,559,304 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.1

Radius: 9.5

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.88 AU - 2.26 AU

Year: 1954 Days

Day: 8.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,237,763 km

• M1: 119,828 km (0.09 R)
• M2: 545,135 km (0.12 R)
• M3: 1,146,069 km (0.065 R)
• M4: 1,442,423 km (0.076 R)
• M5: 2,009,698 km (0.118 R)
• M6: 2,379,354 km (0.058 R)
• M7: 4,440,214 km (0.106 R)
• M8: 6,381,247 km (0.099 R)
• M9: 8,120,322 km (0.066 R)
• M10: 10,712,105 km (0.047 R)
• M11: 13,945,813 km (0.111 R)
• M12: 16,380,967 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.8

Radius: 14.2

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.18 AU - 4.22 AU

Year: 4669 Days

Day: 6.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,237,763 km

• M1: 177,872 km (0.058 R)
• M2: 622,477 km (0.043 R)
• M3: 1,152,951 km (0.027 R)
• M4: 1,660,387 km (0.059 R)
• M5: 2,151,517 km (0.11 R)
• M6: 2,861,807 km (0.063 R)
• M7: 4,088,061 km (0.114 R)
• M8: 4,689,444 km (0.115 R)
• M9: 5,138,088 km (0.106 R)
• M10: 5,615,605 km (0.089 R)
• M11: 6,148,921 km (0.08 R)
• M12: 6,799,971 km (0.113 R)
• M13: 8,240,449 km (0.095 R)
• M14: 9,067,277 km (0.119 R)
• M15: 10,316,868 km (0.115 R)
• M16: 11,120,059 km (0.064 R)
• M17: 12,005,977 km (0.05 R)
• M18: 12,765,186 km (0.096 R)
• M19: 13,289,078 km (0.113 R)
• M20: 15,139,903 km (0.098 R)
• M21: 17,742,008 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.7

Radius: 3.6

Gravity: 68.8 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 8.71 AU - 12.49 AU

Year: 22640 Days

Day: 24.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,237,763 km

• M1: 45,179 km (0.11 R)
• M2: 349,161 km (0.097 R)
• M3: 528,080 km (0.095 R)
• M4: 1,800,410 km (0.09 R)
• M5: 2,024,658 km (0.094 R)
• M6: 3,589,751 km (0.114 R)
• M7: 3,748,474 km (0.105 R)
• M8: 3,878,774 km (0.095 R)
• M9: 5,603,338 km (0.116 R)
• M10: 8,596,791 km (0.114 R)
• M11: 9,230,637 km (0.062 R)
• M12: 10,851,979 km (0.112 R)
• M13: 16,835,894 km (0.109 R)
• M14: 18,194,243 km (0.098 R)
• M15: 27,050,137 km (0.1 R)
• M16: 30,716,482 km (0.091 R)
• M17: 34,700,572 km (0.097 R)
• M18: 43,841,302 km (0.064 R)
• M19: 49,230,415 km (0.102 R)
• M20: 50,505,588 km (0.113 R)
• M21: 54,077,386 km (0.059 R)
• M22: 54,269,769 km (0.053 R)
• M23: 55,826,485 km (0.075 R)
• M24: 65,140,149 km (0.067 R)
• M25: 71,892,398 km (0.062 R)
• M26: 78,601,414 km (0.105 R)
• M27: 82,616,322 km (0.072 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 18,206 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit