🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.55 AU - 1.55 AU

Year: 723 Days

Day: 30.5 Hours

Environment

Temp: -54 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,705,348 km

• M1: 61,784 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.24 AU - 1.98 AU

Year: 766 Days

Day: 33.1 Hours

Environment

Temp: -52 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.2 AU - 2.58 AU

Year: 1385 Days

Day: 29.7 Hours

Environment

Temp: -99 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,705,348 km

• M1: 791,522 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.39 AU - 2.91 AU

Year: 1617 Days

Day: 35.5 Hours

Environment

Temp: -90 °C

Axial Tilt: 43.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.19 AU - 3.31 AU

Year: 1709 Days

Day: 41.2 Hours

Environment

Temp: -100 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,705,348 km

• M1: 89,609 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.3

Radius: 14

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.64 AU - 7.3 AU

Year: 6167 Days

Day: 10.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,705,348 km

• M1: 174,132 km (0.07 R)
• M2: 618,737 km (0.09 R)
• M3: 1,130,212 km (0.093 R)
• M4: 1,707,809 km (0.025 R)
• M5: 4,456,670 km (0.091 R)
• M6: 7,551,551 km (0.056 R)
• M7: 10,325,544 km (0.097 R)
• M8: 11,605,354 km (0.115 R)
• M9: 16,401,761 km (0.081 R)
• M10: 18,489,549 km (0.056 R)
• M11: 23,763,472 km (0.12 R)
• M12: 24,858,529 km (0.106 R)
• M13: 26,968,307 km (0.118 R)
• M14: 28,345,954 km (0.104 R)
• M15: 31,944,531 km (0.086 R)
• M16: 34,862,587 km (0.057 R)
• M17: 36,829,799 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.3

Radius: 14.8

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 8.26 AU - 9.54 AU

Year: 9950 Days

Day: 10.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,705,348 km

• M1: 184,305 km (0.116 R)
• M2: 903,870 km (0.11 R)
• M3: 1,417,889 km (0.032 R)
• M4: 2,016,579 km (0.063 R)
• M5: 3,687,887 km (0.118 R)
• M6: 5,308,032 km (0.1 R)
• M7: 6,664,286 km (0.057 R)
• M8: 7,204,035 km (0.078 R)
• M9: 7,772,956 km (0.111 R)
• M10: 8,682,660 km (0.088 R)
• M11: 10,457,340 km (0.1 R)
• M12: 11,188,425 km (0.111 R)
• M13: 12,065,367 km (0.111 R)
• M14: 15,301,169 km (0.067 R)
• M15: 15,835,383 km (0.097 R)
• M16: 16,730,278 km (0.114 R)
• M17: 18,395,751 km (0.083 R)
• M18: 21,551,817 km (0.114 R)
• M19: 22,737,081 km (0.057 R)
• M20: 23,787,258 km (0.105 R)
• M21: 26,650,113 km (0.096 R)
• M22: 28,015,343 km (0.1 R)
• M23: 32,830,450 km (0.094 R)
• M24: 36,844,908 km (0.107 R)
• M25: 39,654,356 km (0.051 R)
• M26: 40,410,125 km (0.025 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.3

Radius: 4.5

Gravity: 17.45 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 13.73 AU - 14.01 AU

Year: 19357 Days

Day: 17.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 59,705,348 km

• M1: 55,950 km (0.113 R)
• M2: 212,728 km (0.093 R)
• M3: 762,949 km (0.116 R)
• M4: 922,420 km (0.057 R)
• M5: 1,666,520 km (0.04 R)
• M6: 1,920,388 km (0.025 R)
• M7: 3,201,544 km (0.083 R)
• M8: 3,354,882 km (0.082 R)
• M9: 3,873,538 km (0.1 R)
• M10: 4,018,498 km (0.117 R)
• M11: 4,732,678 km (0.092 R)
• M12: 6,053,328 km (0.045 R)
• M13: 6,408,474 km (0.108 R)
• M14: 6,777,232 km (0.083 R)
• M15: 7,290,652 km (0.095 R)
• M16: 7,783,727 km (0.041 R)
• M17: 8,251,071 km (0.104 R)
• M18: 11,875,827 km (0.108 R)
• M19: 12,182,503 km (0.099 R)
• M20: 14,134,904 km (0.098 R)
• M21: 14,618,854 km (0.104 R)
• M22: 15,328,995 km (0.094 R)
• M23: 16,211,472 km (0.035 R)
• M24: 16,588,908 km (0.101 R)
• M25: 16,741,498 km (0.03 R)
• M26: 19,312,487 km (0.065 R)
• M27: 19,481,383 km (0.084 R)
• M28: 23,547,902 km (0.1 R)
• M29: 25,931,744 km (0.07 R)
• M30: 26,447,856 km (0.106 R)
• M31: 28,471,766 km (0.06 R)
• M32: 28,800,432 km (0.12 R)
• M33: 30,027,434 km (0.115 R)
• M34: 31,873,622 km (0.025 R)
• M35: 35,790,543 km (0.049 R)
• M36: 36,559,027 km (0.116 R)
• M37: 36,817,532 km (0.106 R)
• M38: 43,395,650 km (0.105 R)
• M39: 43,976,688 km (0.097 R)
• M40: 49,916,770 km (0.073 R)
• M41: 52,500,774 km (0.079 R)
• M42: 57,409,080 km (0.112 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 11,317 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit