🌌 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: 204.2

Radius: 8.3

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.7 AU - 0.8 AU

Year: 419 Days

Day: 13.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,217,991 km

• M1: 103,671 km (0.115 R)
• M2: 423,661 km (0.091 R)
• M3: 718,967 km (0.096 R)
• M4: 1,141,133 km (0.057 R)
• M5: 1,489,845 km (0.039 R)
• M6: 1,957,937 km (0.038 R)
• M7: 2,782,072 km (0.113 R)
• M8: 3,070,945 km (0.096 R)
• M9: 3,400,360 km (0.094 R)
• M10: 3,742,340 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.4

Radius: 8.9

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.51 AU - 2.23 AU

Year: 1651 Days

Day: 10.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,217,991 km

• M1: 111,600 km (0.057 R)
• M2: 456,722 km (0.1 R)
• M3: 808,576 km (0.113 R)
• M4: 1,201,271 km (0.068 R)
• M5: 1,495,829 km (0.119 R)
• M6: 1,997,431 km (0.09 R)
• M7: 2,700,242 km (0.092 R)
• M8: 2,978,045 km (0.082 R)
• M9: 3,859,775 km (0.115 R)
• M10: 4,177,371 km (0.098 R)
• M11: 4,647,707 km (0.119 R)
• M12: 5,386,571 km (0.095 R)
• M13: 6,814,183 km (0.057 R)
• M14: 7,466,729 km (0.066 R)
• M15: 8,131,691 km (0.119 R)
• M16: 8,655,882 km (0.115 R)
• M17: 9,579,500 km (0.117 R)
• M18: 11,840,671 km (0.058 R)
• M19: 13,372,254 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.6

Radius: 13.9

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.89 AU - 2.41 AU

Year: 2036 Days

Day: 9.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,217,991 km

• M1: 174,132 km (0.116 R)
• M2: 613,800 km (0.057 R)
• M3: 1,073,215 km (0.07 R)
• M4: 1,581,249 km (0.062 R)
• M5: 2,055,774 km (0.026 R)
• M6: 3,419,807 km (0.119 R)
• M7: 3,864,412 km (0.105 R)
• M8: 5,580,001 km (0.1 R)
• M9: 6,149,220 km (0.093 R)
• M10: 6,729,660 km (0.089 R)
• M11: 8,186,295 km (0.071 R)
• M12: 8,694,179 km (0.075 R)
• M13: 11,054,684 km (0.112 R)
• M14: 12,569,063 km (0.088 R)
• M15: 13,075,003 km (0.084 R)
• M16: 15,236,244 km (0.047 R)
• M17: 17,211,534 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.2

Radius: 4.7

Gravity: 22.15 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.58 AU - 9.82 AU

Year: 15161 Days

Day: 22.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,217,991 km

• M1: 58,493 km (0.12 R)
• M2: 249,080 km (0.085 R)
• M3: 596,596 km (0.119 R)
• M4: 782,247 km (0.047 R)
• M5: 1,379,891 km (0.111 R)
• M6: 1,676,992 km (0.092 R)
• M7: 2,318,019 km (0.112 R)
• M8: 2,760,230 km (0.11 R)
• M9: 3,357,874 km (0.097 R)
• M10: 4,273,413 km (0.079 R)
• M11: 5,036,063 km (0.102 R)
• M12: 5,556,514 km (0.058 R)
• M13: 5,848,379 km (0.075 R)
• M14: 6,462,778 km (0.119 R)
• M15: 7,639,814 km (0.119 R)
• M16: 7,955,016 km (0.092 R)
• M17: 8,659,772 km (0.04 R)
• M18: 8,854,548 km (0.118 R)
• M19: 9,767,245 km (0.059 R)
• M20: 10,138,547 km (0.104 R)
• M21: 11,367,045 km (0.096 R)
• M22: 12,259,396 km (0.098 R)
• M23: 16,371,841 km (0.118 R)
• M24: 16,895,584 km (0.086 R)
• M25: 17,819,500 km (0.085 R)
• M26: 22,304,444 km (0.073 R)
• M27: 26,967,260 km (0.067 R)
• M28: 29,415,280 km (0.088 R)
• M29: 34,870,516 km (0.098 R)
• M30: 38,029,424 km (0.114 R)
• M31: 38,551,970 km (0.088 R)
• M32: 42,484,449 km (0.081 R)
• M33: 47,425,367 km (0.084 R)
• M34: 50,346,565 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.9

Radius: 7

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 10.78 AU - 11.68 AU

Year: 24299 Days

Day: 18.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,217,991 km

• M1: 87,216 km (0.084 R)
• M2: 413,339 km (0.116 R)
• M3: 835,355 km (0.088 R)
• M4: 1,164,320 km (0.118 R)
• M5: 1,434,793 km (0.074 R)
• M6: 1,731,147 km (0.04 R)
• M7: 2,233,496 km (0.069 R)
• M8: 2,676,306 km (0.116 R)
• M9: 4,512,021 km (0.05 R)
• M10: 5,851,820 km (0.102 R)
• M11: 11,604,756 km (0.109 R)
• M12: 12,925,705 km (0.111 R)
• M13: 20,207,232 km (0.091 R)
• M14: 21,493,025 km (0.104 R)
• M15: 29,390,446 km (0.12 R)
• M16: 32,400,356 km (0.027 R)
• M17: 38,894,399 km (0.09 R)
• M18: 42,100,880 km (0.077 R)
• M19: 42,513,620 km (0.06 R)
• M20: 53,089,143 km (0.049 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 17,702 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit