🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.7

Radius: 12.1

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.52 AU - 0.7 AU

Year: 329 Days

Day: 10.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,742,978 km

• M1: 150,495 km (0.079 R)
• M2: 530,025 km (0.07 R)
• M3: 934,538 km (0.081 R)
• M4: 1,460,524 km (0.062 R)
• M5: 1,849,329 km (0.074 R)
• M6: 2,252,046 km (0.09 R)
• M7: 3,026,664 km (0.098 R)
• M8: 3,525,723 km (0.072 R)
• M9: 4,067,566 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.5

Radius: 15

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.59 AU - 0.77 AU

Year: 387 Days

Day: 14.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,742,978 km

• M1: 186,997 km (0.075 R)
• M2: 711,936 km (0.045 R)
• M3: 1,505,403 km (0.097 R)
• M4: 2,161,091 km (0.029 R)
• M5: 3,136,469 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.6

Radius: 10.2

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.41 AU - 1.73 AU

Year: 1358 Days

Day: 13.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,742,978 km

• M1: 127,009 km (0.059 R)
• M2: 472,280 km (0.041 R)
• M3: 1,132,905 km (0.068 R)
• M4: 1,468,303 km (0.099 R)
• M5: 2,011,194 km (0.092 R)
• M6: 2,440,240 km (0.087 R)
• M7: 3,263,328 km (0.083 R)
• M8: 4,672,839 km (0.108 R)
• M9: 5,370,115 km (0.094 R)
• M10: 5,807,988 km (0.109 R)
• M11: 6,314,825 km (0.115 R)
• M12: 6,731,904 km (0.045 R)
• M13: 7,191,918 km (0.071 R)
• M14: 7,750,815 km (0.087 R)
• M15: 9,216,426 km (0.111 R)
• M16: 9,937,787 km (0.027 R)
• M17: 10,280,665 km (0.119 R)
• M18: 11,023,269 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826

Radius: 9.9

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.99 AU - 3.09 AU

Year: 3659 Days

Day: 12 Hours

Environment

Temp: -218 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,742,978 km

• M1: 123,568 km (0.115 R)
• M2: 687,253 km (0.111 R)
• M3: 1,082,341 km (0.101 R)
• M4: 1,874,312 km (0.115 R)
• M5: 2,837,124 km (0.073 R)
• M6: 3,568,807 km (0.101 R)
• M7: 4,933,588 km (0.036 R)
• M8: 5,961,176 km (0.059 R)
• M9: 6,587,243 km (0.117 R)
• M10: 7,796,443 km (0.077 R)
• M11: 10,648,825 km (0.115 R)
• M12: 11,301,970 km (0.115 R)
• M13: 11,615,826 km (0.119 R)
• M14: 12,027,818 km (0.083 R)
• M15: 12,736,314 km (0.116 R)
• M16: 17,051,464 km (0.096 R)
• M17: 19,376,365 km (0.068 R)
• M18: 20,548,165 km (0.089 R)
• M19: 21,151,493 km (0.08 R)
• M20: 23,976,799 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.4

Radius: 5.2

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.89 AU - 8.31 AU

Year: 14462 Days

Day: 22.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,742,978 km

• M1: 93,499 km (0.043 R)
• M2: 291,417 km (0.11 R)
• M3: 454,030 km (0.057 R)
• M4: 619,186 km (0.117 R)
• M5: 798,254 km (0.05 R)
• M6: 1,418,786 km (0.082 R)
• M7: 2,205,821 km (0.081 R)
• M8: 2,451,311 km (0.113 R)
• M9: 2,864,350 km (0.104 R)
• M10: 3,133,627 km (0.111 R)
• M11: 3,346,504 km (0.099 R)
• M12: 3,722,893 km (0.085 R)
• M13: 3,989,177 km (0.112 R)
• M14: 5,481,864 km (0.106 R)
• M15: 6,675,057 km (0.108 R)
• M16: 7,028,407 km (0.116 R)
• M17: 9,270,730 km (0.107 R)
• M18: 11,443,040 km (0.118 R)
• M19: 11,722,340 km (0.031 R)
• M20: 12,352,895 km (0.081 R)
• M21: 13,371,357 km (0.114 R)
• M22: 15,168,925 km (0.12 R)
• M23: 16,406,099 km (0.084 R)
• M24: 16,689,886 km (0.075 R)
• M25: 18,923,682 km (0.102 R)
• M26: 19,314,282 km (0.085 R)
• M27: 22,899,544 km (0.105 R)
• M28: 23,522,320 km (0.085 R)
• M29: 30,276,814 km (0.101 R)
• M30: 34,150,501 km (0.072 R)
• M31: 40,884,500 km (0.07 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: 206 - 19,875 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit