🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.51 AU - 0.77 AU

Year: 227 Days

Day: 36.5 Hours

Environment

Temp: 6 °C

Axial Tilt: 20.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.69 AU - 1.09 AU

Year: 372 Days

Day: 47.9 Hours

Environment

Temp: -56 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.61 AU - 2.39 AU

Year: 1253 Days

Day: 15 Hours

Environment

Temp: -123 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.4

Radius: 13.7

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.34 AU - 3.4 AU

Year: 2154 Days

Day: 12.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,045,310 km

• M1: 170,392 km (0.065 R)
• M2: 655,388 km (0.107 R)
• M3: 2,283,462 km (0.119 R)
• M4: 2,725,075 km (0.081 R)
• M5: 3,972,871 km (0.109 R)
• M6: 4,534,311 km (0.108 R)
• M7: 5,994,087 km (0.101 R)
• M8: 6,735,644 km (0.117 R)
• M9: 7,419,157 km (0.111 R)
• M10: 8,085,915 km (0.046 R)
• M11: 8,595,894 km (0.079 R)
• M12: 11,514,997 km (0.106 R)
• M13: 12,079,430 km (0.101 R)
• M14: 13,974,685 km (0.111 R)
• M15: 14,524,457 km (0.108 R)
• M16: 16,160,609 km (0.104 R)
• M17: 17,970,145 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.8

Radius: 8.5

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.75 AU - 9.55 AU

Year: 9372 Days

Day: 7.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,045,310 km

• M1: 106,514 km (0.116 R)
• M2: 1,185,414 km (0.11 R)
• M3: 1,690,755 km (0.097 R)
• M4: 4,282,089 km (0.088 R)
• M5: 4,980,861 km (0.09 R)
• M6: 5,275,419 km (0.083 R)
• M7: 5,870,370 km (0.11 R)
• M8: 6,352,973 km (0.099 R)
• M9: 11,080,415 km (0.083 R)
• M10: 12,007,473 km (0.117 R)
• M11: 13,545,040 km (0.119 R)
• M12: 23,314,080 km (0.048 R)
• M13: 25,378,680 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.9

Radius: 13.6

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 7.99 AU - 8.07 AU

Year: 10079 Days

Day: 12.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,045,310 km

• M1: 180,415 km (0.079 R)
• M2: 1,162,824 km (0.104 R)
• M3: 2,369,481 km (0.085 R)
• M4: 2,900,404 km (0.073 R)
• M5: 3,485,481 km (0.115 R)
• M6: 4,320,087 km (0.059 R)
• M7: 7,767,271 km (0.105 R)
• M8: 12,136,576 km (0.108 R)
• M9: 12,672,436 km (0.07 R)
• M10: 13,984,259 km (0.055 R)
• M11: 14,840,558 km (0.112 R)
• M12: 16,803,730 km (0.06 R)
• M13: 21,240,055 km (0.066 R)
• M14: 22,019,311 km (0.069 R)
• M15: 24,190,724 km (0.081 R)
• M16: 26,204,760 km (0.102 R)
• M17: 30,673,847 km (0.074 R)
• M18: 38,867,771 km (0.034 R)
• M19: 47,086,229 km (0.099 R)
• M20: 48,411,217 km (0.097 R)
• M21: 50,827,971 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260.3

Radius: 4

Gravity: 16.27 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 8.51 AU - 11.43 AU

Year: 13944 Days

Day: 17.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,045,310 km

• M1: 70,311 km (0.107 R)
• M2: 223,798 km (0.089 R)
• M3: 385,663 km (0.066 R)
• M4: 625,917 km (0.095 R)
• M5: 1,326,784 km (0.069 R)
• M6: 2,069,088 km (0.052 R)
• M7: 2,925,087 km (0.107 R)
• M8: 3,188,230 km (0.079 R)
• M9: 6,827,497 km (0.077 R)
• M10: 7,449,076 km (0.049 R)
• M11: 8,714,974 km (0.113 R)
• M12: 11,663,996 km (0.054 R)
• M13: 14,145,227 km (0.098 R)
• M14: 17,235,769 km (0.082 R)
• M15: 25,795,310 km (0.111 R)
• M16: 27,388,378 km (0.104 R)
• M17: 29,345,118 km (0.069 R)
• M18: 34,864,532 km (0.072 R)
• M19: 36,576,380 km (0.064 R)
• M20: 39,797,522 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.4

Radius: 4.2

Gravity: 26.67 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 10.94 AU - 15.9 AU

Year: 21775 Days

Day: 23.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,045,310 km

• M1: 52,210 km (0.035 R)
• M2: 273,166 km (0.07 R)
• M3: 413,489 km (0.093 R)
• M4: 594,951 km (0.053 R)
• M5: 2,229,158 km (0.079 R)
• M6: 2,992,855 km (0.097 R)
• M7: 7,236,348 km (0.101 R)
• M8: 7,952,623 km (0.088 R)
• M9: 8,558,793 km (0.09 R)
• M10: 11,418,506 km (0.099 R)
• M11: 12,788,823 km (0.095 R)
• M12: 16,727,436 km (0.057 R)
• M13: 20,555,346 km (0.119 R)
• M14: 21,118,731 km (0.108 R)
• M15: 23,272,791 km (0.112 R)
• M16: 30,002,451 km (0.115 R)
• M17: 32,716,157 km (0.092 R)
• M18: 35,321,104 km (0.102 R)
• M19: 39,482,618 km (0.099 R)
• M20: 47,449,153 km (0.064 R)
• M21: 47,938,937 km (0.069 R)
• M22: 53,374,426 km (0.025 R)
• M23: 63,650,752 km (0.106 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 18,193 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit