🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.39 AU - 0.63 AU

Year: 130 Days

Day: 24.3 Hours

Environment

Temp: 182 °C

Axial Tilt: 24.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.69 AU - 0.75 AU

Year: 219 Days

Day: 42.8 Hours

Environment

Temp: 211 °C

Axial Tilt: 20.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 93,820,707 km

• M1: 41,289 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.56 AU - 2.22 AU

Year: 931 Days

Day: 21.7 Hours

Environment

Temp: -53 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.89 AU - 5.65 AU

Year: 3731 Days

Day: 43.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 15.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.09 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.7

Radius: 13.7

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.19 AU - 8.63 AU

Year: 7224 Days

Day: 8.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 93,820,707 km

• M1: 170,691 km (0.115 R)
• M2: 679,324 km (0.057 R)
• M3: 1,199,476 km (0.048 R)
• M4: 2,095,268 km (0.114 R)
• M5: 3,419,807 km (0.116 R)
• M6: 4,421,963 km (0.086 R)
• M7: 5,142,576 km (0.045 R)
• M8: 6,727,267 km (0.085 R)
• M9: 7,194,012 km (0.116 R)
• M10: 7,883,808 km (0.115 R)
• M11: 9,588,326 km (0.076 R)
• M12: 10,343,047 km (0.119 R)
• M13: 13,863,534 km (0.112 R)
• M14: 15,839,273 km (0.097 R)
• M15: 17,760,409 km (0.098 R)
• M16: 20,150,534 km (0.076 R)
• M17: 22,197,631 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.2

Radius: 14

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 11.3 AU - 11.5 AU

Year: 13786 Days

Day: 6.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 93,820,707 km

• M1: 174,132 km (0.047 R)
• M2: 697,425 km (0.095 R)
• M3: 1,748,350 km (0.089 R)
• M4: 3,645,999 km (0.055 R)
• M5: 5,606,629 km (0.057 R)
• M6: 6,264,112 km (0.067 R)
• M7: 7,437,707 km (0.056 R)
• M8: 10,127,776 km (0.08 R)
• M9: 10,961,934 km (0.111 R)
• M10: 11,942,099 km (0.113 R)
• M11: 14,020,761 km (0.082 R)
• M12: 23,475,197 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249

Radius: 11.5

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 10.51 AU - 13.77 AU

Year: 15150 Days

Day: 8.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 93,820,707 km

• M1: 143,165 km (0.104 R)
• M2: 602,580 km (0.062 R)
• M3: 1,879,847 km (0.085 R)
• M4: 2,348,387 km (0.036 R)
• M5: 4,269,224 km (0.105 R)
• M6: 4,665,509 km (0.106 R)
• M7: 5,024,843 km (0.083 R)
• M8: 6,992,354 km (0.082 R)
• M9: 10,005,255 km (0.111 R)
• M10: 11,336,826 km (0.101 R)
• M11: 14,286,297 km (0.098 R)
• M12: 14,791,489 km (0.052 R)
• M13: 15,837,328 km (0.12 R)
• M14: 17,426,357 km (0.072 R)
• M15: 20,678,166 km (0.052 R)
• M16: 21,243,346 km (0.092 R)
• M17: 22,573,870 km (0.08 R)
• M18: 23,695,106 km (0.11 R)
• M19: 36,674,816 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.4

Radius: 4.4

Gravity: 32.56 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 16.96 AU - 20.08 AU

Year: 28545 Days

Day: 17.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 93,820,707 km

• M1: 57,296 km (0.118 R)
• M2: 201,060 km (0.077 R)
• M3: 499,358 km (0.082 R)
• M4: 1,108,520 km (0.075 R)
• M5: 1,433,596 km (0.088 R)
• M6: 1,721,871 km (0.099 R)
• M7: 1,983,518 km (0.057 R)
• M8: 4,502,746 km (0.092 R)
• M9: 6,708,118 km (0.12 R)
• M10: 7,202,090 km (0.112 R)
• M11: 8,317,492 km (0.049 R)
• M12: 9,482,411 km (0.117 R)
• M13: 10,359,802 km (0.041 R)
• M14: 14,014,329 km (0.046 R)
• M15: 15,066,899 km (0.094 R)
• M16: 15,233,402 km (0.116 R)
• M17: 15,825,809 km (0.101 R)
• M18: 17,146,758 km (0.079 R)
• M19: 17,328,221 km (0.106 R)
• M20: 17,602,882 km (0.116 R)
• M21: 21,547,778 km (0.097 R)
• M22: 24,634,880 km (0.05 R)
• M23: 25,098,633 km (0.086 R)
• M24: 26,043,643 km (0.093 R)
• M25: 29,278,398 km (0.046 R)
• M26: 30,061,094 km (0.108 R)
• M27: 30,991,742 km (0.084 R)
• M28: 31,532,239 km (0.075 R)
• M29: 37,134,231 km (0.1 R)
• M30: 44,551,592 km (0.075 R)
• M31: 46,460,760 km (0.105 R)
• M32: 46,990,786 km (0.101 R)
• M33: 56,628,479 km (0.089 R)
• M34: 58,250,568 km (0.077 R)
• M35: 58,455,518 km (0.103 R)
• M36: 73,307,445 km (0.082 R)
• M37: 76,453,488 km (0.117 R)

Kuiper Belt

Range: 30.6 - 58.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 20,028 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit