🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.52 AU - 0.74 AU

Year: 175 Days

Day: 17 Hours

Environment

Temp: 180 °C

Axial Tilt: 0.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.56 AU - 1.86 AU

Year: 782 Days

Day: 18.8 Hours

Environment

Temp: -35 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,342,574 km

• M1: 75,397 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.96 AU - 2.14 AU

Year: 1027 Days

Day: 16.8 Hours

Environment

Temp: -63 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.87 AU - 2.41 AU

Year: 1095 Days

Day: 15.3 Hours

Environment

Temp: -65 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2 AU - 2.78 AU

Year: 1293 Days

Day: 21.6 Hours

Environment

Temp: -67 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,342,574 km

• M1: 401,820 km (0.115 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.82 AU - 3.86 AU

Year: 2633 Days

Day: 30.1 Hours

Environment

Temp: -105 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.7

Radius: 8

Gravity: 15.23 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.6 AU - 10.4 AU

Year: 8670 Days

Day: 12 Hours

Environment

Temp: -152 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 23,342,574 km

• M1: 99,632 km (0.11 R)
• M2: 467,793 km (0.12 R)
• M3: 718,219 km (0.093 R)
• M4: 1,030,580 km (0.102 R)
• M5: 1,687,464 km (0.114 R)
• M6: 2,005,359 km (0.11 R)
• M7: 2,517,583 km (0.074 R)
• M8: 4,043,481 km (0.087 R)
• M9: 5,276,317 km (0.103 R)
• M10: 5,680,381 km (0.056 R)
• M11: 6,399,647 km (0.08 R)
• M12: 6,742,526 km (0.117 R)
• M13: 8,194,074 km (0.078 R)
• M14: 8,690,589 km (0.08 R)
• M15: 10,095,463 km (0.112 R)
• M16: 11,094,477 km (0.108 R)
• M17: 11,758,393 km (0.118 R)
• M18: 17,460,764 km (0.075 R)
• M19: 18,282,655 km (0.116 R)
• M20: 21,658,780 km (0.119 R)
• M21: 22,345,883 km (0.106 R)
• M22: 22,870,672 km (0.097 R)
• M23: 23,763,622 km (0.093 R)
• M24: 24,865,560 km (0.118 R)
• M25: 28,579,476 km (0.074 R)
• M26: 28,990,871 km (0.074 R)
• M27: 35,643,039 km (0.06 R)
• M28: 36,359,463 km (0.073 R)
• M29: 37,697,766 km (0.09 R)
• M30: 38,566,331 km (0.049 R)
• M31: 38,942,570 km (0.11 R)
• M32: 45,860,723 km (0.111 R)
• M33: 47,998,776 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.5

Radius: 8.7

Gravity: 10.42 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 8.86 AU - 13.72 AU

Year: 13271 Days

Day: 14.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 23,342,574 km

• M1: 108,159 km (0.107 R)
• M2: 550,371 km (0.105 R)
• M3: 914,342 km (0.047 R)
• M4: 1,260,811 km (0.09 R)
• M5: 1,569,880 km (0.119 R)
• M6: 2,148,973 km (0.068 R)
• M7: 2,817,526 km (0.114 R)
• M8: 3,591,097 km (0.082 R)
• M9: 3,954,919 km (0.112 R)
• M10: 4,822,886 km (0.066 R)
• M11: 5,663,476 km (0.057 R)
• M12: 6,236,436 km (0.089 R)
• M13: 7,408,685 km (0.116 R)
• M14: 8,141,266 km (0.1 R)
• M15: 12,046,518 km (0.096 R)
• M16: 12,864,519 km (0.113 R)
• M17: 14,125,929 km (0.095 R)
• M18: 15,178,649 km (0.111 R)
• M19: 15,687,431 km (0.082 R)
• M20: 18,321,850 km (0.092 R)
• M21: 19,658,207 km (0.071 R)
• M22: 25,249,577 km (0.086 R)
• M23: 26,586,982 km (0.108 R)
• M24: 30,651,257 km (0.086 R)
• M25: 31,347,187 km (0.081 R)
• M26: 31,816,924 km (0.088 R)
• M27: 32,172,368 km (0.107 R)
• M28: 36,001,326 km (0.103 R)
• M29: 37,958,814 km (0.073 R)
• M30: 39,848,684 km (0.051 R)
• M31: 47,264,250 km (0.088 R)
• M32: 47,727,106 km (0.093 R)
• M33: 49,926,943 km (0.119 R)
• M34: 51,539,010 km (0.069 R)
• M35: 53,019,430 km (0.088 R)
• M36: 58,335,390 km (0.089 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.5

Radius: 9.3

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 8.82 AU - 14.18 AU

Year: 13643 Days

Day: 14.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,342,574 km

• M1: 116,986 km (0.106 R)
• M2: 609,312 km (0.115 R)
• M3: 1,658,592 km (0.101 R)
• M4: 2,848,343 km (0.086 R)
• M5: 3,672,329 km (0.097 R)
• M6: 5,571,324 km (0.063 R)
• M7: 9,642,630 km (0.098 R)
• M8: 11,138,010 km (0.111 R)
• M9: 11,742,236 km (0.058 R)
• M10: 14,080,002 km (0.066 R)
• M11: 16,052,300 km (0.077 R)
• M12: 20,473,366 km (0.095 R)

Kuiper Belt

Range: 31.4 - 48.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 19,375 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit