🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.62 AU - 0.78 AU

Year: 223 Days

Day: 14.4 Hours

Environment

Temp: 124 °C

Axial Tilt: 9.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.84 AU - 1.3 AU

Year: 421 Days

Day: 26.3 Hours

Environment

Temp: -5 °C

Axial Tilt: 89.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 50,175,486 km

• M1: 105,466 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.24 AU - 1.26 AU

Year: 532 Days

Day: 17.7 Hours

Environment

Temp: -37 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,175,486 km

• M1: 220,956 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.9 AU - 2.08 AU

Year: 1069 Days

Day: 28 Hours

Environment

Temp: -83 °C

Axial Tilt: 13.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.33 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.2

Radius: 12.9

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 8.3 AU - 9.04 AU

Year: 9721 Days

Day: 14.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,175,486 km

• M1: 170,392 km (0.089 R)
• M2: 609,761 km (0.063 R)
• M3: 1,899,743 km (0.064 R)
• M4: 2,317,570 km (0.101 R)
• M5: 3,780,637 km (0.081 R)
• M6: 6,570,638 km (0.096 R)
• M7: 7,956,812 km (0.1 R)
• M8: 8,474,570 km (0.109 R)
• M9: 10,114,312 km (0.106 R)
• M10: 10,930,668 km (0.089 R)
• M11: 15,619,962 km (0.073 R)
• M12: 17,851,813 km (0.097 R)
• M13: 19,350,335 km (0.086 R)
• M14: 21,012,367 km (0.109 R)
• M15: 21,504,245 km (0.104 R)
• M16: 23,374,069 km (0.093 R)
• M17: 24,438,458 km (0.039 R)
• M18: 29,021,389 km (0.111 R)
• M19: 29,734,372 km (0.089 R)
• M20: 30,983,813 km (0.106 R)
• M21: 31,621,549 km (0.08 R)
• M22: 32,267,962 km (0.069 R)
• M23: 33,922,664 km (0.088 R)
• M24: 35,401,887 km (0.061 R)
• M25: 35,865,641 km (0.091 R)
• M26: 38,611,061 km (0.115 R)
• M27: 44,921,697 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.3

Radius: 5

Gravity: 22.89 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 13.58 AU - 17.28 AU

Year: 23080 Days

Day: 23.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 50,175,486 km

• M1: 62,233 km (0.111 R)
• M2: 219,759 km (0.026 R)
• M3: 456,124 km (0.112 R)
• M4: 1,045,988 km (0.089 R)
• M5: 1,220,719 km (0.094 R)
• M6: 1,810,284 km (0.057 R)
• M7: 2,126,085 km (0.113 R)
• M8: 2,524,614 km (0.11 R)
• M9: 2,867,791 km (0.058 R)
• M10: 3,830,603 km (0.11 R)
• M11: 4,250,076 km (0.029 R)
• M12: 5,334,660 km (0.062 R)
• M13: 5,612,015 km (0.099 R)
• M14: 8,829,566 km (0.115 R)
• M15: 11,658,910 km (0.073 R)
• M16: 11,857,726 km (0.098 R)
• M17: 12,398,821 km (0.113 R)
• M18: 12,745,439 km (0.095 R)
• M19: 13,098,341 km (0.083 R)
• M20: 17,681,870 km (0.047 R)
• M21: 18,929,367 km (0.056 R)
• M22: 19,204,178 km (0.088 R)
• M23: 21,898,286 km (0.062 R)
• M24: 22,918,543 km (0.086 R)
• M25: 26,624,083 km (0.107 R)
• M26: 27,200,633 km (0.089 R)
• M27: 27,785,561 km (0.025 R)
• M28: 28,378,716 km (0.038 R)
• M29: 34,919,733 km (0.078 R)
• M30: 36,734,356 km (0.092 R)
• M31: 39,797,073 km (0.053 R)
• M32: 40,399,055 km (0.11 R)
• M33: 42,241,502 km (0.087 R)
• M34: 56,165,174 km (0.088 R)
• M35: 58,457,462 km (0.077 R)
• M36: 60,612,719 km (0.105 R)
• M37: 66,336,932 km (0.068 R)
• M38: 66,547,715 km (0.095 R)
• M39: 69,112,870 km (0.113 R)
• M40: 71,521,396 km (0.115 R)
• M41: 74,895,127 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.4

Radius: 6.5

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 17.19 AU - 18.37 AU

Year: 28549 Days

Day: 24.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 161.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,175,486 km

• M1: 80,783 km (0.097 R)
• M2: 506,090 km (0.069 R)
• M3: 1,034,320 km (0.064 R)
• M4: 1,864,737 km (0.106 R)
• M5: 2,577,422 km (0.072 R)
• M6: 2,786,410 km (0.104 R)
• M7: 3,635,378 km (0.094 R)
• M8: 4,676,280 km (0.111 R)
• M9: 5,150,206 km (0.091 R)
• M10: 5,795,870 km (0.114 R)
• M11: 6,083,397 km (0.051 R)
• M12: 7,165,289 km (0.1 R)
• M13: 8,691,038 km (0.097 R)
• M14: 8,925,458 km (0.081 R)
• M15: 15,555,935 km (0.035 R)
• M16: 16,111,840 km (0.081 R)
• M17: 20,711,376 km (0.117 R)
• M18: 21,299,146 km (0.084 R)
• M19: 22,332,569 km (0.088 R)
• M20: 24,036,638 km (0.111 R)
• M21: 24,967,585 km (0.111 R)
• M22: 29,560,539 km (0.106 R)
• M23: 30,412,948 km (0.114 R)
• M24: 31,722,079 km (0.076 R)
• M25: 43,849,679 km (0.042 R)
• M26: 44,401,396 km (0.056 R)
• M27: 48,100,802 km (0.049 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: 446 - 18,068 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit