🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.6 AU - 0.78 AU

Year: 211 Days

Day: 35.9 Hours

Environment

Temp: 164 °C

Axial Tilt: 8.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 102,331,460 km

• M1: 273,914 km (0.052 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.65 AU - 0.99 AU

Year: 274 Days

Day: 19.9 Hours

Environment

Temp: 90 °C

Axial Tilt: 4.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.11 AU - 1.53 AU

Year: 560 Days

Day: 37.6 Hours

Environment

Temp: -24 °C

Axial Tilt: 9.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.2 AU - 1.8 AU

Year: 678 Days

Day: 21.5 Hours

Environment

Temp: -33 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - 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): 0.076

Orbit Range: 1.43 AU - 1.67 AU

Year: 712 Days

Day: 45 Hours

Environment

Temp: -40 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.73 AU - 2.59 AU

Year: 1171 Days

Day: 13.7 Hours

Environment

Temp: -78 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 102,331,460 km

• M1: 179,218 km (0.09 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.38 AU - 3.68 AU

Year: 2447 Days

Day: 27.4 Hours

Environment

Temp: -108 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 102,331,460 km

• M1: 32,164 km (0.106 R)

Asteroid Belt

Center: 4.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.2

Radius: 11.9

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.53 AU - 6.27 AU

Year: 5288 Days

Day: 9.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 102,331,460 km

• M1: 148,102 km (0.11 R)
• M2: 617,540 km (0.111 R)
• M3: 1,037,760 km (0.081 R)
• M4: 1,654,702 km (0.066 R)
• M5: 4,217,912 km (0.111 R)
• M6: 4,733,576 km (0.103 R)
• M7: 5,437,135 km (0.045 R)
• M8: 5,954,594 km (0.116 R)
• M9: 6,471,305 km (0.098 R)
• M10: 6,843,803 km (0.08 R)
• M11: 7,411,378 km (0.085 R)
• M12: 7,895,476 km (0.068 R)
• M13: 8,400,668 km (0.095 R)
• M14: 9,824,391 km (0.102 R)
• M15: 10,687,122 km (0.078 R)
• M16: 11,501,084 km (0.099 R)
• M17: 12,878,432 km (0.112 R)
• M18: 14,079,703 km (0.066 R)
• M19: 18,399,940 km (0.094 R)
• M20: 21,676,731 km (0.094 R)
• M21: 25,240,452 km (0.094 R)
• M22: 26,167,660 km (0.052 R)
• M23: 26,943,025 km (0.084 R)
• M24: 28,179,452 km (0.091 R)
• M25: 32,509,113 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.3

Radius: 5.4

Gravity: 31.49 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 13.22 AU - 21.72 AU

Year: 26941 Days

Day: 18.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 102,331,460 km

• M1: 67,169 km (0.081 R)
• M2: 243,845 km (0.078 R)
• M3: 543,489 km (0.097 R)
• M4: 837,150 km (0.119 R)
• M5: 1,055,413 km (0.088 R)
• M6: 1,344,137 km (0.101 R)
• M7: 1,927,419 km (0.079 R)
• M8: 2,940,197 km (0.085 R)
• M9: 3,173,120 km (0.093 R)
• M10: 4,918,329 km (0.069 R)
• M11: 5,374,154 km (0.11 R)
• M12: 5,812,625 km (0.119 R)
• M13: 14,865,092 km (0.114 R)
• M14: 15,726,925 km (0.115 R)
• M15: 17,081,384 km (0.113 R)
• M16: 19,917,161 km (0.106 R)
• M17: 21,284,336 km (0.107 R)
• M18: 22,938,440 km (0.076 R)
• M19: 24,795,099 km (0.091 R)
• M20: 30,276,814 km (0.116 R)
• M21: 35,596,664 km (0.117 R)
• M22: 36,823,516 km (0.1 R)
• M23: 38,876,747 km (0.037 R)
• M24: 40,507,214 km (0.094 R)
• M25: 44,429,221 km (0.117 R)
• M26: 45,492,413 km (0.041 R)
• M27: 47,669,661 km (0.029 R)
• M28: 72,160,328 km (0.101 R)
• M29: 73,628,182 km (0.11 R)
• M30: 77,130,568 km (0.066 R)
• M31: 79,959,164 km (0.079 R)
• M32: 80,219,614 km (0.106 R)
• M33: 82,324,157 km (0.11 R)
• M34: 82,589,843 km (0.097 R)
• M35: 84,465,202 km (0.11 R)
• M36: 85,822,054 km (0.078 R)
• M37: 96,612,399 km (0.093 R)
• M38: 98,394,708 km (0.086 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 18,262 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit