🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.52 AU - 0.68 AU

Year: 163 Days

Day: 37.8 Hours

Environment

Temp: 253 °C

Axial Tilt: 7.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.51 AU - 0.69 AU

Year: 163 Days

Day: 14.7 Hours

Environment

Temp: 212 °C

Axial Tilt: 27.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.72 AU - 1.06 AU

Year: 295 Days

Day: 27.4 Hours

Environment

Temp: 170 °C

Axial Tilt: 37.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.96 AU - 1.24 AU

Year: 405 Days

Day: 44.6 Hours

Environment

Temp: 49 °C

Axial Tilt: 3.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 86,902,967 km

• M1: 58,942 km (0.104 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.19 AU - 1.63 AU

Year: 588 Days

Day: 44.7 Hours

Environment

Temp: 13 °C

Axial Tilt: 17.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.97 AU - 3.21 AU

Year: 1465 Days

Day: 41 Hours

Environment

Temp: -76 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.71 AU - 4.73 AU

Year: 3047 Days

Day: 31.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.1

Radius: 12.6

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.43 AU - 8.55 AU

Year: 7204 Days

Day: 10.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,902,967 km

• M1: 211,980 km (0.098 R)
• M2: 693,835 km (0.083 R)
• M3: 1,436,738 km (0.101 R)
• M4: 3,812,951 km (0.09 R)
• M5: 4,921,022 km (0.113 R)
• M6: 5,871,268 km (0.067 R)
• M7: 6,788,602 km (0.048 R)
• M8: 7,865,557 km (0.079 R)
• M9: 12,587,763 km (0.101 R)
• M10: 13,864,581 km (0.101 R)
• M11: 14,408,968 km (0.066 R)
• M12: 15,912,576 km (0.117 R)
• M13: 17,805,737 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.1

Radius: 7.5

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 13.67 AU - 20.09 AU

Year: 24375 Days

Day: 24.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,902,967 km

• M1: 93,199 km (0.056 R)
• M2: 392,096 km (0.077 R)
• M3: 1,042,996 km (0.105 R)
• M4: 1,549,684 km (0.106 R)
• M5: 2,276,880 km (0.034 R)
• M6: 2,556,328 km (0.09 R)
• M7: 2,991,509 km (0.115 R)
• M8: 4,043,032 km (0.119 R)
• M9: 4,384,414 km (0.116 R)
• M10: 4,744,796 km (0.043 R)
• M11: 5,322,393 km (0.08 R)
• M12: 5,860,048 km (0.106 R)
• M13: 6,120,198 km (0.117 R)
• M14: 6,947,176 km (0.032 R)
• M15: 7,238,891 km (0.091 R)
• M16: 8,653,638 km (0.086 R)
• M17: 10,181,781 km (0.102 R)
• M18: 11,950,626 km (0.103 R)
• M19: 12,726,889 km (0.091 R)
• M20: 14,933,757 km (0.101 R)
• M21: 15,338,419 km (0.063 R)
• M22: 16,169,884 km (0.085 R)
• M23: 17,030,820 km (0.107 R)
• M24: 19,221,681 km (0.099 R)
• M25: 21,287,029 km (0.098 R)
• M26: 22,215,882 km (0.099 R)
• M27: 25,853,205 km (0.062 R)
• M28: 32,901,508 km (0.041 R)
• M29: 40,034,335 km (0.118 R)
• M30: 40,815,535 km (0.117 R)
• M31: 45,716,810 km (0.118 R)
• M32: 54,924,709 km (0.108 R)
• M33: 66,813,102 km (0.105 R)
• M34: 67,470,734 km (0.027 R)
• M35: 68,799,014 km (0.098 R)
• M36: 73,352,773 km (0.092 R)
• M37: 78,833,141 km (0.111 R)
• M38: 79,567,367 km (0.034 R)

Kuiper Belt

Range: 31.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 15,811 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit