🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.45 AU - 0.59 AU

Year: 143 Days

Day: 37.7 Hours

Environment

Temp: 215 °C

Axial Tilt: 17.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.12 AU - 1.24 AU

Year: 488 Days

Day: 41.7 Hours

Environment

Temp: -9 °C

Axial Tilt: 47.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.9 AU - 2.84 AU

Year: 1389 Days

Day: 46.8 Hours

Environment

Temp: -91 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.37 AU - 2.51 AU

Year: 1451 Days

Day: 14.5 Hours

Environment

Temp: -97 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,122,609 km

• M1: 14,960 km (0.092 R)
• M2: 35,155 km (0.114 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.55 AU - 2.93 AU

Year: 1727 Days

Day: 35.1 Hours

Environment

Temp: -116 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.91 AU - 3.65 AU

Year: 2262 Days

Day: 44.4 Hours

Environment

Temp: -129 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.75 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 12.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.8

Radius: 3

Gravity: 39.31 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 11.53 AU - 12.89 AU

Year: 16247 Days

Day: 17.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,122,609 km

• M1: 39,344 km (0.112 R)
• M2: 235,168 km (0.113 R)
• M3: 938,876 km (0.078 R)
• M4: 1,048,232 km (0.036 R)
• M5: 1,292,825 km (0.115 R)
• M6: 1,963,472 km (0.086 R)
• M7: 2,815,881 km (0.096 R)
• M8: 3,335,584 km (0.104 R)
• M9: 4,439,317 km (0.118 R)
• M10: 6,209,808 km (0.091 R)
• M11: 6,401,442 km (0.078 R)
• M12: 12,092,893 km (0.104 R)
• M13: 12,391,790 km (0.118 R)
• M14: 17,334,055 km (0.065 R)
• M15: 18,254,979 km (0.062 R)
• M16: 30,187,354 km (0.081 R)
• M17: 30,516,320 km (0.066 R)
• M18: 30,958,531 km (0.107 R)
• M19: 41,395,376 km (0.098 R)
• M20: 50,795,508 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 43.3

Radius: 6.1

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 16.24 AU - 16.7 AU

Year: 25453 Days

Day: 24.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 97.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,122,609 km

• M1: 78,539 km (0.119 R)
• M2: 269,575 km (0.07 R)
• M3: 685,906 km (0.072 R)
• M4: 3,601,270 km (0.075 R)
• M5: 4,955,729 km (0.05 R)
• M6: 7,902,508 km (0.105 R)
• M7: 8,378,378 km (0.078 R)
• M8: 9,474,632 km (0.114 R)
• M9: 10,194,945 km (0.049 R)
• M10: 23,064,401 km (0.114 R)
• M11: 31,697,844 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.6

Radius: 6.9

Gravity: 13.48 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 13.9 AU - 19.16 AU

Year: 25592 Days

Day: 22.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,122,609 km

• M1: 85,869 km (0.057 R)
• M2: 301,440 km (0.104 R)
• M3: 524,191 km (0.088 R)
• M4: 808,277 km (0.101 R)
• M5: 1,343,688 km (0.115 R)
• M6: 1,792,182 km (0.059 R)
• M7: 2,500,229 km (0.085 R)
• M8: 5,952,350 km (0.116 R)
• M9: 8,180,909 km (0.07 R)
• M10: 8,842,880 km (0.063 R)
• M11: 10,977,791 km (0.066 R)
• M12: 14,276,125 km (0.027 R)
• M13: 15,315,980 km (0.046 R)
• M14: 15,812,645 km (0.097 R)
• M15: 18,273,081 km (0.112 R)
• M16: 19,983,134 km (0.103 R)
• M17: 20,476,358 km (0.107 R)
• M18: 24,382,508 km (0.107 R)
• M19: 25,632,997 km (0.079 R)
• M20: 26,098,246 km (0.078 R)
• M21: 27,165,477 km (0.105 R)
• M22: 29,008,374 km (0.107 R)
• M23: 32,941,451 km (0.06 R)
• M24: 38,871,212 km (0.073 R)
• M25: 39,485,161 km (0.118 R)
• M26: 40,105,693 km (0.111 R)
• M27: 43,965,617 km (0.109 R)
• M28: 50,937,028 km (0.092 R)
• M29: 53,920,309 km (0.105 R)
• M30: 57,413,269 km (0.104 R)
• M31: 59,417,581 km (0.092 R)
• M32: 63,565,182 km (0.12 R)
• M33: 67,459,514 km (0.088 R)
• M34: 77,158,393 km (0.081 R)
• M35: 78,371,482 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.5

Radius: 7.5

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 13.48 AU - 20.82 AU

Year: 27045 Days

Day: 15.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,122,609 km

• M1: 93,349 km (0.065 R)
• M2: 660,026 km (0.055 R)
• M3: 1,072,617 km (0.084 R)
• M4: 1,927,120 km (0.028 R)
• M5: 2,275,982 km (0.106 R)
• M6: 3,770,614 km (0.116 R)
• M7: 4,440,364 km (0.101 R)
• M8: 6,680,293 km (0.073 R)
• M9: 7,221,987 km (0.061 R)
• M10: 8,777,356 km (0.04 R)
• M11: 10,216,188 km (0.07 R)
• M12: 10,878,608 km (0.027 R)
• M13: 13,488,642 km (0.098 R)
• M14: 23,296,727 km (0.119 R)
• M15: 24,056,385 km (0.118 R)
• M16: 25,226,689 km (0.101 R)
• M17: 41,806,322 km (0.093 R)
• M18: 47,763,907 km (0.109 R)
• M19: 49,298,333 km (0.074 R)
• M20: 51,341,690 km (0.118 R)
• M21: 51,821,151 km (0.083 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 19,847 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit