🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.12 AU - 1.48 AU

Year: 555 Days

Day: 28.8 Hours

Environment

Temp: -20 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.39 AU - 2.21 AU

Year: 905 Days

Day: 39.5 Hours

Environment

Temp: -67 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.85 AU - 1.87 AU

Year: 951 Days

Day: 43.3 Hours

Environment

Temp: -61 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,450,877 km

• M1: 490,382 km (0.087 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.94 AU - 3.12 AU

Year: 1508 Days

Day: 22.2 Hours

Environment

Temp: -97 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,450,877 km

• M1: 31,565 km (0.074 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.29 AU - 3.17 AU

Year: 1690 Days

Day: 15 Hours

Environment

Temp: -101 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,450,877 km

• M1: 2,035,129 km (0.105 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.15 AU - 3.58 AU

Year: 1812 Days

Day: 37.8 Hours

Environment

Temp: -105 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,450,877 km

• M1: 20,345 km (0.033 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.38 AU - 3.92 AU

Year: 2095 Days

Day: 16.1 Hours

Environment

Temp: -106 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.8

Radius: 13.3

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.51 AU - 5.07 AU

Year: 3929 Days

Day: 6.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,450,877 km

• M1: 165,455 km (0.045 R)
• M2: 770,429 km (0.094 R)
• M3: 2,251,298 km (0.109 R)
• M4: 3,063,316 km (0.097 R)
• M5: 3,672,628 km (0.059 R)
• M6: 4,409,098 km (0.062 R)
• M7: 4,902,173 km (0.096 R)
• M8: 5,377,295 km (0.104 R)
• M9: 5,796,618 km (0.045 R)
• M10: 6,861,306 km (0.045 R)
• M11: 10,710,908 km (0.108 R)
• M12: 11,378,115 km (0.103 R)
• M13: 12,454,920 km (0.115 R)
• M14: 13,344,280 km (0.061 R)
• M15: 19,593,282 km (0.111 R)
• M16: 22,982,122 km (0.106 R)
• M17: 23,942,990 km (0.107 R)
• M18: 25,084,721 km (0.039 R)
• M19: 26,342,240 km (0.081 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.7

Radius: 10.9

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.82 AU - 7.3 AU

Year: 5590 Days

Day: 11.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 36,450,877 km

• M1: 136,583 km (0.066 R)
• M2: 566,078 km (0.087 R)
• M3: 1,525,749 km (0.106 R)
• M4: 2,240,976 km (0.114 R)
• M5: 3,125,548 km (0.102 R)
• M6: 3,648,243 km (0.089 R)
• M7: 4,488,086 km (0.093 R)
• M8: 5,213,785 km (0.045 R)
• M9: 6,480,729 km (0.096 R)
• M10: 6,827,348 km (0.101 R)
• M11: 8,021,139 km (0.091 R)
• M12: 8,585,123 km (0.111 R)
• M13: 8,961,511 km (0.118 R)
• M14: 9,480,615 km (0.108 R)
• M15: 10,437,144 km (0.115 R)
• M16: 11,158,954 km (0.033 R)
• M17: 11,607,897 km (0.087 R)
• M18: 12,648,500 km (0.074 R)
• M19: 16,207,733 km (0.099 R)
• M20: 18,181,676 km (0.052 R)
• M21: 19,511,901 km (0.104 R)
• M22: 21,665,661 km (0.053 R)
• M23: 22,208,402 km (0.084 R)
• M24: 25,144,261 km (0.038 R)
• M25: 28,792,055 km (0.115 R)
• M26: 29,448,341 km (0.067 R)
• M27: 30,114,500 km (0.047 R)
• M28: 32,880,116 km (0.074 R)
• M29: 33,288,518 km (0.092 R)
• M30: 34,850,470 km (0.096 R)

Planet 10 - Gas Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.6

Radius: 12.1

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.58 AU - 8.88 AU

Year: 7285 Days

Day: 12.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,450,877 km

• M1: 150,495 km (0.083 R)
• M2: 558,449 km (0.081 R)
• M3: 1,008,589 km (0.03 R)
• M4: 1,602,492 km (0.103 R)
• M5: 2,320,413 km (0.065 R)
• M6: 2,859,115 km (0.064 R)
• M7: 5,524,201 km (0.089 R)
• M8: 6,628,382 km (0.093 R)
• M9: 7,233,057 km (0.119 R)
• M10: 8,228,930 km (0.106 R)
• M11: 11,920,557 km (0.112 R)
• M12: 13,756,123 km (0.092 R)
• M13: 16,274,902 km (0.03 R)
• M14: 17,710,294 km (0.118 R)
• M15: 22,918,843 km (0.11 R)
• M16: 24,302,473 km (0.099 R)
• M17: 25,142,017 km (0.041 R)
• M18: 25,741,156 km (0.054 R)
• M19: 34,525,693 km (0.051 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: 190 - 13,556 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit