🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.52 AU - 0.64 AU

Year: 162 Days

Day: 12.7 Hours

Environment

Temp: 179 °C

Axial Tilt: 10.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.96 AU - 1.46 AU

Year: 489 Days

Day: 22.4 Hours

Environment

Temp: 2 °C

Axial Tilt: 28.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 112,575,077 km

• M1: 26,479 km (0.064 R)
• M2: 394,938 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.08 AU - 1.7 AU

Year: 602 Days

Day: 30.9 Hours

Environment

Temp: -28 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 112,575,077 km

• M1: 94,097 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.27 AU - 1.53 AU

Year: 608 Days

Day: 23.5 Hours

Environment

Temp: -33 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.46 AU - 2 AU

Year: 835 Days

Day: 16.4 Hours

Environment

Temp: -55 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.8

Radius: 9.1

Gravity: 11.75 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.79 AU - 8.51 AU

Year: 7018 Days

Day: 12 Hours

Environment

Temp: -162 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 112,575,077 km

• M1: 114,293 km (0.055 R)
• M2: 1,085,183 km (0.102 R)
• M3: 1,503,758 km (0.108 R)
• M4: 2,011,792 km (0.085 R)
• M5: 2,369,032 km (0.072 R)
• M6: 3,212,465 km (0.091 R)
• M7: 3,928,889 km (0.08 R)
• M8: 4,806,280 km (0.086 R)
• M9: 6,982,780 km (0.114 R)
• M10: 8,013,659 km (0.097 R)
• M11: 9,371,409 km (0.118 R)
• M12: 12,819,490 km (0.117 R)
• M13: 13,574,660 km (0.071 R)
• M14: 16,554,052 km (0.083 R)
• M15: 18,304,197 km (0.069 R)
• M16: 20,719,903 km (0.096 R)
• M17: 21,922,371 km (0.026 R)
• M18: 25,808,475 km (0.11 R)
• M19: 28,835,887 km (0.066 R)
• M20: 32,835,985 km (0.081 R)
• M21: 38,366,917 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.9

Radius: 8

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 13.28 AU - 19.22 AU

Year: 24047 Days

Day: 24.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 112,575,077 km

• M1: 99,483 km (0.083 R)
• M2: 1,424,770 km (0.025 R)
• M3: 2,240,527 km (0.086 R)
• M4: 3,109,691 km (0.068 R)
• M5: 3,605,458 km (0.096 R)
• M6: 6,131,418 km (0.115 R)
• M7: 6,628,831 km (0.081 R)
• M8: 7,450,124 km (0.119 R)
• M9: 13,329,320 km (0.091 R)
• M10: 16,104,959 km (0.035 R)
• M11: 17,582,836 km (0.072 R)
• M12: 20,705,991 km (0.102 R)
• M13: 21,108,110 km (0.114 R)
• M14: 29,140,468 km (0.07 R)
• M15: 32,393,325 km (0.106 R)
• M16: 38,996,575 km (0.119 R)
• M17: 40,541,921 km (0.026 R)
• M18: 41,171,279 km (0.117 R)
• M19: 48,708,169 km (0.108 R)
• M20: 56,136,302 km (0.069 R)
• M21: 63,648,209 km (0.117 R)
• M22: 67,313,507 km (0.078 R)
• M23: 78,905,247 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.6

Radius: 7.5

Gravity: 15.89 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 18.88 AU - 20.04 AU

Year: 31513 Days

Day: 16.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 112,575,077 km

• M1: 93,349 km (0.08 R)
• M2: 334,800 km (0.118 R)
• M3: 1,120,189 km (0.047 R)
• M4: 2,139,549 km (0.09 R)
• M5: 3,379,715 km (0.107 R)
• M6: 3,813,699 km (0.116 R)
• M7: 4,999,112 km (0.096 R)
• M8: 5,385,075 km (0.1 R)
• M9: 7,620,964 km (0.079 R)
• M10: 8,606,665 km (0.081 R)
• M11: 9,480,316 km (0.099 R)
• M12: 10,005,255 km (0.106 R)
• M13: 10,828,941 km (0.114 R)
• M14: 15,014,091 km (0.081 R)
• M15: 20,273,204 km (0.104 R)
• M16: 22,727,956 km (0.068 R)
• M17: 23,194,701 km (0.101 R)
• M18: 23,786,959 km (0.087 R)
• M19: 29,030,215 km (0.108 R)
• M20: 31,413,309 km (0.075 R)
• M21: 32,578,527 km (0.065 R)
• M22: 33,471,177 km (0.1 R)
• M23: 36,564,712 km (0.039 R)
• M24: 38,674,490 km (0.109 R)
• M25: 49,081,266 km (0.072 R)
• M26: 53,062,215 km (0.056 R)
• M27: 53,471,665 km (0.047 R)
• M28: 66,523,929 km (0.112 R)
• M29: 67,239,007 km (0.087 R)
• M30: 72,640,986 km (0.103 R)
• M31: 73,399,298 km (0.074 R)
• M32: 73,907,781 km (0.057 R)
• M33: 74,931,778 km (0.047 R)
• M34: 77,533,136 km (0.115 R)
• M35: 91,741,193 km (0.066 R)
• M36: 102,435,197 km (0.083 R)
• M37: 105,960,321 km (0.063 R)
• M38: 110,896,303 km (0.068 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 19,956 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit