🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.79 AU - 1.23 AU

Year: 367 Days

Day: 32.8 Hours

Environment

Temp: 45 °C

Axial Tilt: 12.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1 AU - 1.16 AU

Year: 406 Days

Day: 18 Hours

Environment

Temp: 38 °C

Axial Tilt: 7.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.86 AU - 1.4 AU

Year: 434 Days

Day: 27.5 Hours

Environment

Temp: 29 °C

Axial Tilt: 5.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.57 AU - 2.07 AU

Year: 888 Days

Day: 14.3 Hours

Environment

Temp: -56 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 68,045,569 km

• M1: 42,187 km (0.07 R)
• M2: 559,795 km (0.067 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.99 AU - 5.53 AU

Year: 3756 Days

Day: 43.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,045,569 km

• M1: 919,877 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.4

Radius: 13.5

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.67 AU - 7.75 AU

Year: 5597 Days

Day: 12.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,045,569 km

• M1: 167,849 km (0.096 R)
• M2: 593,305 km (0.09 R)
• M3: 1,029,084 km (0.067 R)
• M4: 1,469,051 km (0.119 R)
• M5: 2,404,786 km (0.105 R)
• M6: 2,947,527 km (0.116 R)
• M7: 3,746,080 km (0.057 R)
• M8: 4,894,842 km (0.07 R)
• M9: 6,436,598 km (0.101 R)
• M10: 7,556,488 km (0.065 R)
• M11: 8,213,821 km (0.076 R)
• M12: 9,052,766 km (0.077 R)
• M13: 11,358,518 km (0.107 R)
• M14: 12,898,478 km (0.038 R)
• M15: 16,661,014 km (0.111 R)
• M16: 19,299,920 km (0.087 R)
• M17: 19,724,479 km (0.117 R)
• M18: 20,217,554 km (0.115 R)
• M19: 21,811,519 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.5

Radius: 5.6

Gravity: 24.98 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 11.43 AU - 15.37 AU

Year: 17740 Days

Day: 19.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,045,569 km

• M1: 69,713 km (0.111 R)
• M2: 266,733 km (0.088 R)
• M3: 541,843 km (0.116 R)
• M4: 819,497 km (0.114 R)
• M5: 1,059,003 km (0.05 R)
• M6: 1,272,330 km (0.079 R)
• M7: 1,878,201 km (0.029 R)
• M8: 2,542,715 km (0.1 R)
• M9: 3,727,081 km (0.089 R)
• M10: 5,054,014 km (0.054 R)
• M11: 6,450,062 km (0.077 R)
• M12: 6,801,916 km (0.112 R)
• M13: 7,166,636 km (0.056 R)
• M14: 10,329,434 km (0.117 R)
• M15: 11,057,676 km (0.117 R)
• M16: 11,307,804 km (0.106 R)
• M17: 13,876,698 km (0.112 R)
• M18: 15,065,852 km (0.053 R)
• M19: 15,763,876 km (0.108 R)
• M20: 17,901,180 km (0.106 R)
• M21: 22,942,778 km (0.108 R)
• M22: 24,600,622 km (0.116 R)
• M23: 25,785,587 km (0.054 R)
• M24: 26,671,056 km (0.117 R)
• M25: 27,462,280 km (0.119 R)
• M26: 35,706,768 km (0.108 R)
• M27: 36,391,328 km (0.03 R)
• M28: 36,945,139 km (0.111 R)
• M29: 44,035,779 km (0.114 R)
• M30: 50,940,169 km (0.056 R)
• M31: 53,570,848 km (0.109 R)
• M32: 60,831,730 km (0.106 R)
• M33: 61,807,557 km (0.115 R)
• M34: 63,390,452 km (0.101 R)
• M35: 65,203,429 km (0.116 R)
• M36: 66,225,332 km (0.097 R)
• M37: 71,495,665 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.5

Radius: 6.1

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 13.5 AU - 16.88 AU

Year: 21410 Days

Day: 24 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,045,569 km

• M1: 81,680 km (0.096 R)
• M2: 274,662 km (0.064 R)
• M3: 506,239 km (0.088 R)
• M4: 1,384,229 km (0.077 R)
• M5: 2,023,311 km (0.104 R)
• M6: 2,818,723 km (0.03 R)
• M7: 5,945,169 km (0.117 R)
• M8: 12,465,691 km (0.101 R)
• M9: 13,613,855 km (0.096 R)
• M10: 14,830,834 km (0.067 R)
• M11: 16,432,279 km (0.062 R)
• M12: 20,702,251 km (0.116 R)
• M13: 29,795,258 km (0.072 R)
• M14: 40,074,726 km (0.045 R)
• M15: 46,870,658 km (0.079 R)
• M16: 49,625,802 km (0.102 R)
• M17: 50,958,869 km (0.088 R)
• M18: 63,074,202 km (0.082 R)
• M19: 64,637,650 km (0.102 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 15,936 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit