🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.5 AU - 0.82 AU

Year: 193 Days

Day: 30.8 Hours

Environment

Temp: 219 °C

Axial Tilt: 16.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.08 AU - 1.64 AU

Year: 571 Days

Day: 27.8 Hours

Environment

Temp: 11 °C

Axial Tilt: 35.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 77,086,352 km

• M1: 335,398 km (0.073 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.71 AU - 1.95 AU

Year: 891 Days

Day: 26.5 Hours

Environment

Temp: -47 °C

Axial Tilt: 106.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.47 AU - 3.81 AU

Year: 2499 Days

Day: 35.2 Hours

Environment

Temp: -115 °C

Axial Tilt: 84.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,086,352 km

• M1: 2,361,851 km (0.086 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.16 AU - 4.56 AU

Year: 2729 Days

Day: 26 Hours

Environment

Temp: -125 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.66 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 13.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.1

Radius: 4.1

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 12.37 AU - 14.55 AU

Year: 17772 Days

Day: 23.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,086,352 km

• M1: 217,067 km (0.058 R)
• M2: 421,417 km (0.12 R)
• M3: 755,170 km (0.027 R)
• M4: 937,380 km (0.107 R)
• M5: 3,163,696 km (0.105 R)
• M6: 4,276,854 km (0.035 R)
• M7: 12,684,852 km (0.117 R)
• M8: 13,221,310 km (0.088 R)
• M9: 20,354,137 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401

Radius: 4.5

Gravity: 19.8 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 13.94 AU - 17.04 AU

Year: 21941 Days

Day: 16.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,086,352 km

• M1: 83,326 km (0.066 R)
• M2: 1,087,876 km (0.115 R)
• M3: 1,314,816 km (0.113 R)
• M4: 2,272,691 km (0.108 R)
• M5: 5,249,090 km (0.106 R)
• M6: 7,079,420 km (0.084 R)
• M7: 7,869,446 km (0.114 R)
• M8: 9,296,161 km (0.026 R)
• M9: 13,599,344 km (0.115 R)
• M10: 14,888,279 km (0.104 R)
• M11: 15,562,367 km (0.08 R)
• M12: 16,178,561 km (0.117 R)
• M13: 19,065,949 km (0.068 R)
• M14: 19,504,570 km (0.09 R)
• M15: 25,305,677 km (0.109 R)
• M16: 29,169,790 km (0.114 R)
• M17: 39,439,683 km (0.118 R)
• M18: 39,723,471 km (0.064 R)
• M19: 43,234,533 km (0.061 R)
• M20: 43,687,365 km (0.106 R)
• M21: 50,364,666 km (0.087 R)
• M22: 51,202,115 km (0.117 R)
• M23: 65,100,356 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.8

Radius: 5.5

Gravity: 10.74 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 17.37 AU - 20.47 AU

Year: 29618 Days

Day: 23.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,086,352 km

• M1: 68,366 km (0.108 R)
• M2: 333,603 km (0.114 R)
• M3: 630,705 km (0.086 R)
• M4: 1,200,972 km (0.108 R)
• M5: 1,870,123 km (0.091 R)
• M6: 2,147,926 km (0.033 R)
• M7: 2,475,695 km (0.095 R)
• M8: 3,122,257 km (0.049 R)
• M9: 3,875,482 km (0.089 R)
• M10: 4,162,411 km (0.112 R)
• M11: 4,960,665 km (0.101 R)
• M12: 5,184,763 km (0.117 R)
• M13: 5,939,035 km (0.091 R)
• M14: 8,909,451 km (0.11 R)
• M15: 9,129,509 km (0.084 R)
• M16: 10,284,854 km (0.03 R)
• M17: 10,835,374 km (0.062 R)
• M18: 11,149,529 km (0.111 R)
• M19: 13,377,790 km (0.12 R)
• M20: 13,812,521 km (0.071 R)
• M21: 14,331,626 km (0.105 R)
• M22: 15,017,981 km (0.11 R)
• M23: 19,788,657 km (0.063 R)
• M24: 22,210,796 km (0.032 R)
• M25: 26,485,555 km (0.097 R)
• M26: 32,690,426 km (0.089 R)
• M27: 37,467,385 km (0.116 R)
• M28: 37,753,566 km (0.096 R)
• M29: 43,788,643 km (0.088 R)
• M30: 46,044,130 km (0.098 R)
• M31: 55,840,996 km (0.109 R)
• M32: 59,456,627 km (0.09 R)
• M33: 60,433,351 km (0.083 R)
• M34: 60,826,943 km (0.104 R)
• M35: 64,038,211 km (0.081 R)
• M36: 64,652,759 km (0.073 R)
• M37: 66,939,362 km (0.095 R)
• M38: 69,710,364 km (0.093 R)
• M39: 70,796,295 km (0.08 R)

Kuiper Belt

Range: 30.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 11,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit