🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.49 AU - 0.53 AU

Year: 139 Days

Day: 28.9 Hours

Environment

Temp: 201 °C

Axial Tilt: 20.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.56 AU - 0.82 AU

Year: 219 Days

Day: 43.4 Hours

Environment

Temp: 168 °C

Axial Tilt: 13.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.74 AU - 0.98 AU

Year: 305 Days

Day: 30.2 Hours

Environment

Temp: 28 °C

Axial Tilt: 19.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.77 AU - 1.09 AU

Year: 343 Days

Day: 39.1 Hours

Environment

Temp: 21 °C

Axial Tilt: 21.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 89,608,463 km

• M1: 51,162 km (0.058 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.99 AU - 1.23 AU

Year: 448 Days

Day: 38.3 Hours

Environment

Temp: -3 °C

Axial Tilt: 7.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.43 AU - 3.01 AU

Year: 1718 Days

Day: 35.1 Hours

Environment

Temp: -116 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 14.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.5

Radius: 3.3

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 13.12 AU - 16.26 AU

Year: 21558 Days

Day: 24.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,608,463 km

• M1: 40,990 km (0.119 R)
• M2: 222,003 km (0.112 R)
• M3: 370,853 km (0.093 R)
• M4: 516,262 km (0.119 R)
• M5: 1,719,478 km (0.059 R)
• M6: 1,924,577 km (0.115 R)
• M7: 3,272,154 km (0.115 R)
• M8: 5,050,424 km (0.084 R)
• M9: 7,630,688 km (0.065 R)
• M10: 10,972,555 km (0.08 R)
• M11: 22,059,702 km (0.044 R)
• M12: 36,343,157 km (0.075 R)
• M13: 38,381,578 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 461.6

Radius: 5.8

Gravity: 13.72 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 12.26 AU - 18.32 AU

Year: 22892 Days

Day: 19.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,608,463 km

• M1: 72,256 km (0.103 R)
• M2: 285,433 km (0.11 R)
• M3: 1,832,275 km (0.101 R)
• M4: 2,308,146 km (0.119 R)
• M5: 2,552,289 km (0.091 R)
• M6: 3,198,552 km (0.036 R)
• M7: 3,795,747 km (0.051 R)
• M8: 4,105,115 km (0.079 R)
• M9: 5,513,280 km (0.075 R)
• M10: 9,688,257 km (0.089 R)
• M11: 13,294,164 km (0.07 R)
• M12: 22,498,622 km (0.095 R)
• M13: 24,236,052 km (0.084 R)
• M14: 26,281,653 km (0.114 R)
• M15: 29,382,368 km (0.055 R)
• M16: 55,933,746 km (0.089 R)
• M17: 68,076,007 km (0.085 R)
• M18: 68,704,318 km (0.059 R)
• M19: 71,904,217 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.9

Radius: 4.9

Gravity: 18.86 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 17.76 AU - 20.02 AU

Year: 31435 Days

Day: 17.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 89,608,463 km

• M1: 62,233 km (0.11 R)
• M2: 227,538 km (0.112 R)
• M3: 646,562 km (0.067 R)
• M4: 988,692 km (0.094 R)
• M5: 1,727,407 km (0.106 R)
• M6: 3,770,166 km (0.07 R)
• M7: 5,454,937 km (0.112 R)
• M8: 9,006,540 km (0.045 R)
• M9: 9,239,912 km (0.076 R)
• M10: 10,790,794 km (0.043 R)
• M11: 11,120,657 km (0.114 R)
• M12: 13,167,455 km (0.11 R)
• M13: 15,619,065 km (0.104 R)
• M14: 17,352,605 km (0.106 R)
• M15: 18,828,687 km (0.084 R)
• M16: 19,018,976 km (0.075 R)
• M17: 20,992,172 km (0.114 R)
• M18: 23,535,335 km (0.06 R)
• M19: 24,201,644 km (0.082 R)
• M20: 24,652,981 km (0.101 R)
• M21: 29,992,727 km (0.06 R)
• M22: 30,513,178 km (0.106 R)
• M23: 31,172,307 km (0.027 R)
• M24: 36,939,305 km (0.117 R)
• M25: 40,783,222 km (0.034 R)
• M26: 42,719,617 km (0.111 R)
• M27: 45,737,604 km (0.105 R)
• M28: 46,254,016 km (0.052 R)
• M29: 46,600,485 km (0.057 R)
• M30: 50,343,274 km (0.072 R)
• M31: 52,381,545 km (0.07 R)
• M32: 57,217,146 km (0.084 R)
• M33: 61,084,999 km (0.094 R)
• M34: 62,553,003 km (0.076 R)
• M35: 69,110,626 km (0.114 R)
• M36: 74,437,656 km (0.088 R)
• M37: 75,870,954 km (0.096 R)
• M38: 80,781,653 km (0.067 R)
• M39: 85,118,795 km (0.056 R)
• M40: 88,804,886 km (0.084 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 18,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit