🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.42 AU - 0.68 AU

Year: 143 Days

Day: 36.1 Hours

Environment

Temp: 200 °C

Axial Tilt: 38.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.76 AU - 0.86 AU

Year: 256 Days

Day: 28.5 Hours

Environment

Temp: 148 °C

Axial Tilt: 3.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.95 AU - 1.05 AU

Year: 351 Days

Day: 29.4 Hours

Environment

Temp: 91 °C

Axial Tilt: 11 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.14 AU - 1.64 AU

Year: 576 Days

Day: 28.3 Hours

Environment

Temp: 3 °C

Axial Tilt: 39.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 73,665,302 km

• M1: 162,164 km (0.092 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.22 AU - 1.58 AU

Year: 582 Days

Day: 31.1 Hours

Environment

Temp: 9 °C

Axial Tilt: 13.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.21 AU - 3.31 AU

Year: 1612 Days

Day: 38.5 Hours

Environment

Temp: -82 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,665,302 km

• M1: 1,723,517 km (0.1 R)

Planet 7 - Terrestrial

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.92 AU - 6.16 AU

Year: 3977 Days

Day: 25.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.04 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.9

Radius: 12.3

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 6.52 AU - 7.54 AU

Year: 6551 Days

Day: 10.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,665,302 km

• M1: 154,834 km (0.116 R)
• M2: 577,298 km (0.114 R)
• M3: 1,181,823 km (0.118 R)
• M4: 2,674,361 km (0.089 R)
• M5: 5,063,589 km (0.092 R)
• M6: 5,796,170 km (0.09 R)
• M7: 6,767,209 km (0.119 R)
• M8: 7,363,806 km (0.118 R)
• M9: 8,072,002 km (0.106 R)
• M10: 9,366,921 km (0.098 R)
• M11: 9,798,810 km (0.095 R)
• M12: 10,471,552 km (0.07 R)
• M13: 10,984,224 km (0.077 R)
• M14: 13,859,196 km (0.116 R)
• M15: 18,992,497 km (0.045 R)
• M16: 27,577,619 km (0.077 R)
• M17: 28,377,220 km (0.066 R)
• M18: 31,154,505 km (0.094 R)
• M19: 32,216,799 km (0.106 R)
• M20: 32,905,248 km (0.101 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.5

Radius: 9.6

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.17 AU - 8.65 AU

Year: 7089 Days

Day: 5.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,665,302 km

• M1: 119,529 km (0.079 R)
• M2: 628,311 km (0.07 R)
• M3: 1,162,974 km (0.075 R)
• M4: 1,767,499 km (0.108 R)
• M5: 2,983,131 km (0.089 R)
• M6: 3,618,922 km (0.104 R)
• M7: 7,314,139 km (0.105 R)
• M8: 8,070,805 km (0.104 R)
• M9: 13,031,919 km (0.081 R)
• M10: 13,579,747 km (0.068 R)
• M11: 14,898,153 km (0.036 R)
• M12: 15,864,405 km (0.084 R)
• M13: 18,325,739 km (0.116 R)
• M14: 21,785,190 km (0.072 R)
• M15: 22,246,101 km (0.048 R)
• M16: 22,635,205 km (0.108 R)
• M17: 23,910,976 km (0.12 R)
• M18: 25,318,243 km (0.1 R)
• M19: 25,999,212 km (0.111 R)
• M20: 26,517,868 km (0.105 R)
• M21: 32,289,653 km (0.072 R)
• M22: 32,989,622 km (0.035 R)
• M23: 33,597,737 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.1

Radius: 5.1

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 16.18 AU - 21.58 AU

Year: 28832 Days

Day: 20.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,665,302 km

• M1: 63,429 km (0.043 R)
• M2: 353,799 km (0.074 R)
• M3: 514,467 km (0.106 R)
• M4: 994,377 km (0.05 R)
• M5: 1,172,548 km (0.098 R)
• M6: 1,661,883 km (0.118 R)
• M7: 1,914,853 km (0.037 R)
• M8: 2,090,630 km (0.107 R)
• M9: 2,320,413 km (0.109 R)
• M10: 2,566,800 km (0.071 R)
• M11: 3,085,755 km (0.057 R)
• M12: 3,440,452 km (0.084 R)
• M13: 3,701,650 km (0.042 R)
• M14: 4,070,259 km (0.118 R)
• M15: 5,834,018 km (0.102 R)
• M16: 6,376,011 km (0.07 R)
• M17: 8,203,199 km (0.099 R)
• M18: 14,573,077 km (0.116 R)
• M19: 16,201,150 km (0.107 R)
• M20: 19,630,382 km (0.109 R)
• M21: 19,813,490 km (0.084 R)
• M22: 20,090,396 km (0.114 R)
• M23: 21,223,600 km (0.103 R)
• M24: 24,347,652 km (0.104 R)
• M25: 24,665,248 km (0.12 R)
• M26: 25,525,885 km (0.113 R)
• M27: 28,695,864 km (0.107 R)
• M28: 29,050,261 km (0.083 R)
• M29: 29,647,456 km (0.08 R)
• M30: 30,131,106 km (0.12 R)
• M31: 31,363,343 km (0.077 R)
• M32: 35,125,879 km (0.086 R)
• M33: 35,395,903 km (0.068 R)
• M34: 47,370,016 km (0.105 R)
• M35: 57,750,912 km (0.074 R)
• M36: 58,884,415 km (0.104 R)
• M37: 67,030,318 km (0.107 R)
• M38: 71,695,827 km (0.074 R)

Kuiper Belt

Range: 31.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 17,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit