🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.6 AU - 0.86 AU

Year: 239 Days

Day: 40.5 Hours

Environment

Temp: 168 °C

Axial Tilt: 8.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.06 AU - 1.28 AU

Year: 485 Days

Day: 33.9 Hours

Environment

Temp: 4 °C

Axial Tilt: 14.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.82 AU - 2.58 AU

Year: 1249 Days

Day: 44.9 Hours

Environment

Temp: -100 °C

Axial Tilt: 44.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950

Radius: 14.2

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.85 AU - 6.07 AU

Year: 4885 Days

Day: 11.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,356,408 km

• M1: 176,825 km (0.1 R)
• M2: 710,590 km (0.032 R)
• M3: 1,159,084 km (0.064 R)
• M4: 3,556,989 km (0.068 R)
• M5: 4,200,708 km (0.1 R)
• M6: 4,948,698 km (0.113 R)
• M7: 7,335,681 km (0.078 R)
• M8: 8,700,762 km (0.104 R)
• M9: 9,529,085 km (0.038 R)
• M10: 10,318,962 km (0.089 R)
• M11: 12,434,575 km (0.053 R)
• M12: 15,527,511 km (0.064 R)
• M13: 18,227,154 km (0.101 R)
• M14: 20,501,042 km (0.112 R)
• M15: 21,893,050 km (0.052 R)
• M16: 24,539,885 km (0.116 R)
• M17: 26,362,286 km (0.114 R)
• M18: 28,720,248 km (0.097 R)
• M19: 29,720,160 km (0.105 R)
• M20: 30,649,013 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.7

Radius: 6.4

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 11.05 AU - 15.39 AU

Year: 18404 Days

Day: 19.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 50,356,408 km

• M1: 79,736 km (0.1 R)
• M2: 477,367 km (0.037 R)
• M3: 922,121 km (0.042 R)
• M4: 1,661,135 km (0.073 R)
• M5: 1,997,880 km (0.041 R)
• M6: 2,319,066 km (0.109 R)
• M7: 3,065,111 km (0.068 R)
• M8: 3,287,114 km (0.113 R)
• M9: 3,791,408 km (0.035 R)
• M10: 4,563,184 km (0.083 R)
• M11: 4,820,642 km (0.069 R)
• M12: 5,121,633 km (0.114 R)
• M13: 5,615,006 km (0.113 R)
• M14: 6,139,497 km (0.053 R)
• M15: 6,373,916 km (0.11 R)
• M16: 6,861,157 km (0.087 R)
• M17: 7,113,828 km (0.032 R)
• M18: 8,471,877 km (0.101 R)
• M19: 11,453,961 km (0.057 R)
• M20: 11,810,004 km (0.047 R)
• M21: 12,732,424 km (0.06 R)
• M22: 14,103,339 km (0.079 R)
• M23: 17,366,966 km (0.084 R)
• M24: 20,575,093 km (0.088 R)
• M25: 25,639,130 km (0.1 R)
• M26: 27,180,587 km (0.114 R)
• M27: 27,813,984 km (0.069 R)
• M28: 28,782,630 km (0.089 R)
• M29: 29,551,414 km (0.104 R)
• M30: 30,108,965 km (0.119 R)
• M31: 32,409,032 km (0.108 R)
• M32: 33,361,073 km (0.096 R)
• M33: 38,007,433 km (0.104 R)
• M34: 44,072,580 km (0.052 R)
• M35: 51,873,361 km (0.114 R)
• M36: 54,331,553 km (0.093 R)
• M37: 54,665,007 km (0.082 R)
• M38: 54,999,956 km (0.053 R)
• M39: 57,038,078 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205.7

Radius: 6.3

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 12.62 AU - 15 AU

Year: 19650 Days

Day: 23.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,356,408 km

• M1: 78,389 km (0.043 R)
• M2: 338,690 km (0.091 R)
• M3: 543,938 km (0.076 R)
• M4: 892,501 km (0.108 R)
• M5: 1,422,377 km (0.072 R)
• M6: 1,710,502 km (0.067 R)
• M7: 2,071,931 km (0.104 R)
• M8: 2,289,895 km (0.041 R)
• M9: 5,036,362 km (0.071 R)
• M10: 5,638,643 km (0.104 R)
• M11: 5,849,875 km (0.067 R)
• M12: 6,250,648 km (0.12 R)
• M13: 7,395,371 km (0.044 R)
• M14: 9,537,313 km (0.109 R)
• M15: 9,736,727 km (0.067 R)
• M16: 10,615,914 km (0.114 R)
• M17: 15,957,156 km (0.06 R)
• M18: 18,302,551 km (0.088 R)
• M19: 18,610,873 km (0.032 R)
• M20: 20,701,054 km (0.117 R)
• M21: 23,481,929 km (0.04 R)
• M22: 24,306,812 km (0.101 R)
• M23: 29,984,948 km (0.102 R)
• M24: 31,724,472 km (0.12 R)
• M25: 32,619,068 km (0.105 R)
• M26: 37,221,895 km (0.063 R)
• M27: 39,485,161 km (0.116 R)
• M28: 40,259,480 km (0.107 R)
• M29: 42,373,896 km (0.049 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 16,453 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit