🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.73 AU - 0.79 AU

Year: 250 Days

Day: 38 Hours

Environment

Temp: 159 °C

Axial Tilt: 19.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.78 AU - 1.26 AU

Year: 388 Days

Day: 46.3 Hours

Environment

Temp: 4 °C

Axial Tilt: 17 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.95 AU - 2.13 AU

Year: 1098 Days

Day: 25.8 Hours

Environment

Temp: -73 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.45 AU - 2.55 AU

Year: 1489 Days

Day: 26 Hours

Environment

Temp: -87 °C

Axial Tilt: 50 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.6 AU - 3.96 AU

Year: 2238 Days

Day: 39.8 Hours

Environment

Temp: -109 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.81 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.4

Radius: 11.7

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.32 AU - 5.34 AU

Year: 3394 Days

Day: 14.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,270,207 km

• M1: 165,754 km (0.114 R)
• M2: 551,418 km (0.114 R)
• M3: 1,371,812 km (0.053 R)
• M4: 2,072,678 km (0.104 R)
• M5: 2,611,081 km (0.118 R)
• M6: 3,241,487 km (0.114 R)
• M7: 3,638,220 km (0.117 R)
• M8: 6,006,803 km (0.096 R)
• M9: 6,967,072 km (0.11 R)
• M10: 7,965,339 km (0.108 R)
• M11: 8,499,104 km (0.083 R)
• M12: 9,395,793 km (0.091 R)
• M13: 9,920,583 km (0.101 R)
• M14: 10,464,820 km (0.056 R)
• M15: 11,105,697 km (0.071 R)
• M16: 11,692,719 km (0.118 R)
• M17: 12,591,054 km (0.116 R)
• M18: 13,229,538 km (0.069 R)
• M19: 17,057,299 km (0.032 R)
• M20: 17,576,104 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.7

Radius: 4.8

Gravity: 17.17 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 12.24 AU - 13.24 AU

Year: 17131 Days

Day: 18.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,270,207 km

• M1: 59,690 km (0.069 R)
• M2: 457,470 km (0.1 R)
• M3: 701,464 km (0.092 R)
• M4: 930,499 km (0.096 R)
• M5: 2,614,073 km (0.089 R)
• M6: 4,694,680 km (0.11 R)
• M7: 4,857,144 km (0.036 R)
• M8: 7,412,724 km (0.103 R)
• M9: 9,820,203 km (0.114 R)
• M10: 10,412,161 km (0.084 R)
• M11: 10,577,617 km (0.109 R)
• M12: 12,891,896 km (0.098 R)
• M13: 21,369,906 km (0.117 R)
• M14: 21,907,262 km (0.026 R)
• M15: 25,122,718 km (0.085 R)
• M16: 27,153,809 km (0.094 R)
• M17: 31,081,202 km (0.071 R)
• M18: 33,778,900 km (0.108 R)
• M19: 52,168,069 km (0.042 R)
• M20: 55,794,471 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.9

Radius: 4.9

Gravity: 19.78 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 14.03 AU - 14.61 AU

Year: 20415 Days

Day: 22.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 68,270,207 km

• M1: 63,878 km (0.109 R)
• M2: 240,254 km (0.03 R)
• M3: 528,828 km (0.053 R)
• M4: 807,230 km (0.052 R)
• M5: 2,602,405 km (0.097 R)
• M6: 2,765,616 km (0.041 R)
• M7: 3,863,066 km (0.037 R)
• M8: 4,558,546 km (0.093 R)
• M9: 7,651,632 km (0.041 R)
• M10: 9,055,907 km (0.102 R)
• M11: 9,707,107 km (0.088 R)
• M12: 10,564,602 km (0.097 R)
• M13: 12,363,366 km (0.064 R)
• M14: 15,619,364 km (0.095 R)
• M15: 16,954,525 km (0.118 R)
• M16: 17,279,452 km (0.033 R)
• M17: 20,759,996 km (0.092 R)
• M18: 22,371,015 km (0.092 R)
• M19: 22,663,778 km (0.038 R)
• M20: 24,268,066 km (0.104 R)
• M21: 25,097,885 km (0.117 R)
• M22: 30,359,093 km (0.077 R)
• M23: 32,305,511 km (0.089 R)
• M24: 32,930,381 km (0.113 R)
• M25: 35,378,400 km (0.105 R)
• M26: 37,121,664 km (0.089 R)
• M27: 40,057,223 km (0.086 R)
• M28: 49,951,477 km (0.031 R)
• M29: 51,971,497 km (0.116 R)
• M30: 52,313,328 km (0.108 R)
• M31: 52,656,805 km (0.077 R)
• M32: 53,521,780 km (0.056 R)
• M33: 55,636,495 km (0.116 R)
• M34: 56,533,783 km (0.107 R)
• M35: 60,219,725 km (0.088 R)
• M36: 60,786,103 km (0.073 R)
• M37: 61,355,921 km (0.069 R)
• M38: 63,671,247 km (0.088 R)
• M39: 64,062,595 km (0.091 R)
• M40: 64,850,378 km (0.07 R)
• M41: 67,049,766 km (0.09 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 18,966 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit