🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.48 AU - 0.56 AU

Year: 131 Days

Day: 21.7 Hours

Environment

Temp: 228 °C

Axial Tilt: 49.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.68 AU - 1.78 AU

Year: 796 Days

Day: 22.2 Hours

Environment

Temp: -25 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,240,363 km

• M1: 577,897 km (0.089 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.83 AU - 2.45 AU

Year: 1095 Days

Day: 39.6 Hours

Environment

Temp: -58 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 61,240,363 km

• M1: 46,375 km (0.079 R)
• M2: 421,866 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.78 AU - 3.38 AU

Year: 1891 Days

Day: 43.6 Hours

Environment

Temp: -100 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.4

Radius: 11.9

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.6 AU - 6.36 AU

Year: 5116 Days

Day: 10.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,240,363 km

• M1: 147,952 km (0.115 R)
• M2: 523,742 km (0.112 R)
• M3: 1,479,074 km (0.067 R)
• M4: 2,089,583 km (0.105 R)
• M5: 2,574,430 km (0.085 R)
• M6: 2,957,849 km (0.105 R)
• M7: 3,981,248 km (0.119 R)
• M8: 4,421,365 km (0.087 R)
• M9: 5,003,301 km (0.097 R)
• M10: 6,583,802 km (0.118 R)
• M11: 7,026,313 km (0.068 R)
• M12: 7,525,072 km (0.099 R)
• M13: 8,754,318 km (0.069 R)
• M14: 9,206,552 km (0.115 R)
• M15: 11,953,618 km (0.103 R)
• M16: 13,032,518 km (0.089 R)
• M17: 15,206,773 km (0.108 R)
• M18: 16,534,753 km (0.06 R)
• M19: 19,489,611 km (0.059 R)
• M20: 20,404,850 km (0.068 R)
• M21: 23,323,056 km (0.105 R)
• M22: 24,597,031 km (0.051 R)
• M23: 25,833,009 km (0.107 R)
• M24: 27,544,858 km (0.061 R)
• M25: 28,072,788 km (0.109 R)
• M26: 30,909,014 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.1

Radius: 10.2

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 8.58 AU - 8.88 AU

Year: 9024 Days

Day: 10.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,240,363 km

• M1: 126,859 km (0.076 R)
• M2: 455,675 km (0.078 R)
• M3: 821,143 km (0.113 R)
• M4: 1,248,095 km (0.065 R)
• M5: 1,621,940 km (0.079 R)
• M6: 2,153,312 km (0.069 R)
• M7: 3,089,794 km (0.067 R)
• M8: 3,566,264 km (0.085 R)
• M9: 4,331,906 km (0.073 R)
• M10: 5,172,496 km (0.109 R)
• M11: 7,214,208 km (0.078 R)
• M12: 7,890,689 km (0.066 R)
• M13: 9,323,986 km (0.086 R)
• M14: 10,520,021 km (0.056 R)
• M15: 12,474,069 km (0.055 R)
• M16: 17,018,104 km (0.109 R)
• M17: 17,715,978 km (0.106 R)
• M18: 19,393,569 km (0.113 R)
• M19: 19,924,492 km (0.105 R)
• M20: 25,237,909 km (0.111 R)
• M21: 28,218,497 km (0.083 R)
• M22: 28,900,513 km (0.118 R)
• M23: 31,738,684 km (0.055 R)
• M24: 32,158,755 km (0.077 R)
• M25: 35,428,665 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.4

Radius: 11.6

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 9.65 AU - 14.87 AU

Year: 15018 Days

Day: 8.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,240,363 km

• M1: 144,362 km (0.066 R)
• M2: 518,656 km (0.102 R)
• M3: 2,280,470 km (0.102 R)
• M4: 2,741,381 km (0.117 R)
• M5: 3,340,371 km (0.096 R)
• M6: 4,355,093 km (0.093 R)
• M7: 5,277,962 km (0.051 R)
• M8: 5,975,537 km (0.093 R)
• M9: 7,827,260 km (0.085 R)
• M10: 8,248,677 km (0.067 R)
• M11: 9,447,554 km (0.101 R)
• M12: 11,340,117 km (0.085 R)
• M13: 14,494,837 km (0.112 R)
• M14: 15,494,001 km (0.112 R)
• M15: 17,949,800 km (0.073 R)
• M16: 19,867,794 km (0.087 R)
• M17: 20,921,113 km (0.108 R)
• M18: 21,461,460 km (0.071 R)
• M19: 23,911,724 km (0.08 R)
• M20: 26,333,713 km (0.067 R)
• M21: 27,496,837 km (0.086 R)
• M22: 28,145,493 km (0.032 R)
• M23: 29,473,324 km (0.057 R)
• M24: 30,381,532 km (0.048 R)
• M25: 31,308,291 km (0.06 R)
• M26: 37,797,548 km (0.116 R)
• M27: 42,925,463 km (0.094 R)
• M28: 55,047,229 km (0.082 R)
• M29: 57,296,134 km (0.076 R)
• M30: 61,057,324 km (0.063 R)

Kuiper Belt

Range: 31.4 - 53.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 11,744 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit