🌌 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 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.56 AU - 0.68 AU

Year: 320 Days

Day: 40.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.6

Radius: 8.1

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.68 AU - 1.04 AU

Year: 523 Days

Day: 6.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,497,963 km

• M1: 100,829 km (0.115 R)
• M2: 440,566 km (0.094 R)
• M3: 731,085 km (0.114 R)
• M4: 1,561,951 km (0.07 R)
• M5: 1,862,793 km (0.07 R)
• M6: 2,165,728 km (0.097 R)
• M7: 2,776,237 km (0.047 R)
• M8: 3,202,142 km (0.102 R)

Asteroid Belt

Center: 1.72 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.9

Radius: 8.9

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.1 AU - 3.04 AU

Year: 2703 Days

Day: 11.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,497,963 km

• M1: 110,702 km (0.052 R)
• M2: 387,458 km (0.054 R)
• M3: 915,539 km (0.05 R)
• M4: 1,786,199 km (0.077 R)
• M5: 2,324,601 km (0.1 R)
• M6: 3,541,879 km (0.109 R)
• M7: 4,734,324 km (0.094 R)
• M8: 6,096,861 km (0.04 R)
• M9: 7,643,105 km (0.066 R)
• M10: 8,787,080 km (0.117 R)
• M11: 9,646,071 km (0.106 R)
• M12: 10,372,668 km (0.036 R)
• M13: 10,825,949 km (0.106 R)
• M14: 13,293,117 km (0.117 R)
• M15: 14,146,723 km (0.116 R)
• M16: 16,567,366 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682

Radius: 14.4

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.49 AU - 4.93 AU

Year: 5667 Days

Day: 8.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,497,963 km

• M1: 181,163 km (0.118 R)
• M2: 857,046 km (0.081 R)
• M3: 1,393,654 km (0.109 R)
• M4: 2,112,621 km (0.106 R)
• M5: 2,628,734 km (0.05 R)
• M6: 3,477,702 km (0.115 R)
• M7: 4,108,706 km (0.032 R)
• M8: 4,762,448 km (0.101 R)
• M9: 5,572,820 km (0.099 R)
• M10: 6,184,077 km (0.089 R)
• M11: 7,045,461 km (0.085 R)
• M12: 7,541,528 km (0.091 R)
• M13: 9,982,965 km (0.059 R)
• M14: 10,564,751 km (0.083 R)
• M15: 11,504,076 km (0.047 R)
• M16: 13,388,112 km (0.066 R)
• M17: 14,715,344 km (0.042 R)
• M18: 15,293,690 km (0.081 R)
• M19: 16,994,019 km (0.037 R)
• M20: 19,986,276 km (0.115 R)
• M21: 22,392,856 km (0.097 R)
• M22: 23,862,955 km (0.107 R)
• M23: 24,500,840 km (0.078 R)
• M24: 25,977,820 km (0.088 R)
• M25: 26,567,983 km (0.075 R)
• M26: 27,600,508 km (0.089 R)
• M27: 29,380,573 km (0.037 R)
• M28: 30,858,899 km (0.071 R)
• M29: 31,425,726 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.1

Radius: 6.5

Gravity: 16.57 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.84 AU - 8.02 AU

Year: 10696 Days

Day: 24.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 50,497,963 km

• M1: 86,767 km (0.106 R)
• M2: 311,463 km (0.102 R)
• M3: 534,513 km (0.111 R)
• M4: 840,590 km (0.116 R)
• M5: 1,152,352 km (0.066 R)
• M6: 1,415,046 km (0.112 R)
• M7: 2,062,356 km (0.044 R)
• M8: 2,980,438 km (0.056 R)
• M9: 3,211,717 km (0.12 R)
• M10: 3,454,963 km (0.08 R)
• M11: 3,842,870 km (0.083 R)
• M12: 4,061,433 km (0.079 R)
• M13: 5,726,606 km (0.117 R)
• M14: 6,121,994 km (0.09 R)
• M15: 6,808,199 km (0.091 R)
• M16: 7,544,370 km (0.105 R)
• M17: 7,801,230 km (0.059 R)
• M18: 8,019,792 km (0.116 R)
• M19: 8,840,337 km (0.09 R)
• M20: 10,916,605 km (0.109 R)
• M21: 11,980,695 km (0.11 R)
• M22: 16,499,748 km (0.065 R)
• M23: 17,226,045 km (0.1 R)
• M24: 19,293,637 km (0.118 R)
• M25: 21,096,292 km (0.091 R)
• M26: 22,918,992 km (0.043 R)
• M27: 24,283,474 km (0.097 R)
• M28: 25,605,022 km (0.113 R)
• M29: 27,676,354 km (0.084 R)
• M30: 28,597,279 km (0.101 R)
• M31: 34,088,568 km (0.041 R)
• M32: 36,104,698 km (0.105 R)
• M33: 37,450,929 km (0.076 R)
• M34: 45,669,537 km (0.032 R)
• M35: 50,497,958 km (0.088 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 11,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit