🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.49 AU - 0.81 AU

Year: 196 Days

Day: 45.5 Hours

Environment

Temp: 140 °C

Axial Tilt: 10.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,715,880 km

• M1: 312,061 km (0.067 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.96 AU - 1.28 AU

Year: 444 Days

Day: 45.4 Hours

Environment

Temp: 8 °C

Axial Tilt: 13.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.94 AU - 1.5 AU

Year: 505 Days

Day: 16.6 Hours

Environment

Temp: -5 °C

Axial Tilt: 42.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.22 AU - 2.78 AU

Year: 1481 Days

Day: 13.6 Hours

Environment

Temp: -89 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.75 AU - 3.55 AU

Year: 2095 Days

Day: 13.7 Hours

Environment

Temp: -108 °C

Axial Tilt: 43 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.39 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.6

Radius: 12

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 7.52 AU - 7.74 AU

Year: 7898 Days

Day: 13.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,715,880 km

• M1: 150,346 km (0.105 R)
• M2: 636,240 km (0.092 R)
• M3: 5,620,093 km (0.095 R)
• M4: 8,530,819 km (0.077 R)
• M5: 9,332,663 km (0.105 R)
• M6: 12,515,956 km (0.116 R)
• M7: 14,325,343 km (0.115 R)
• M8: 16,303,326 km (0.095 R)
• M9: 18,519,618 km (0.119 R)
• M10: 22,316,412 km (0.107 R)
• M11: 26,364,979 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428

Radius: 14.7

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 9.06 AU - 9.08 AU

Year: 10236 Days

Day: 11.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,715,880 km

• M1: 182,958 km (0.053 R)
• M2: 680,371 km (0.074 R)
• M3: 1,183,020 km (0.055 R)
• M4: 1,645,128 km (0.106 R)
• M5: 2,214,497 km (0.11 R)
• M6: 3,664,699 km (0.096 R)
• M7: 4,651,895 km (0.078 R)
• M8: 5,300,701 km (0.077 R)
• M9: 5,909,116 km (0.106 R)
• M10: 7,421,102 km (0.085 R)
• M11: 9,044,238 km (0.099 R)
• M12: 10,396,902 km (0.039 R)
• M13: 11,827,357 km (0.113 R)
• M14: 12,701,757 km (0.106 R)
• M15: 14,826,795 km (0.094 R)
• M16: 15,456,901 km (0.118 R)
• M17: 17,386,265 km (0.099 R)
• M18: 18,087,430 km (0.117 R)
• M19: 18,734,441 km (0.085 R)
• M20: 19,248,459 km (0.027 R)
• M21: 21,399,078 km (0.083 R)
• M22: 23,790,998 km (0.1 R)
• M23: 24,568,309 km (0.101 R)
• M24: 31,512,343 km (0.075 R)
• M25: 32,345,004 km (0.115 R)
• M26: 34,381,331 km (0.091 R)
• M27: 35,375,259 km (0.115 R)
• M28: 36,274,641 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725

Radius: 7.5

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 11.68 AU - 17.1 AU

Year: 20456 Days

Day: 15.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,715,880 km

• M1: 93,199 km (0.109 R)
• M2: 391,797 km (0.087 R)
• M3: 658,530 km (0.118 R)
• M4: 1,623,735 km (0.057 R)
• M5: 2,132,368 km (0.108 R)
• M6: 2,718,193 km (0.096 R)
• M7: 4,306,025 km (0.115 R)
• M8: 4,975,625 km (0.108 R)
• M9: 5,753,385 km (0.043 R)
• M10: 6,043,904 km (0.096 R)
• M11: 7,162,596 km (0.059 R)
• M12: 8,734,122 km (0.041 R)
• M13: 9,980,123 km (0.048 R)
• M14: 11,084,604 km (0.045 R)
• M15: 11,931,328 km (0.07 R)
• M16: 15,275,289 km (0.101 R)
• M17: 18,026,992 km (0.115 R)
• M18: 18,381,539 km (0.114 R)
• M19: 19,473,155 km (0.104 R)
• M20: 21,288,824 km (0.111 R)
• M21: 21,985,352 km (0.113 R)
• M22: 23,319,017 km (0.056 R)
• M23: 25,474,872 km (0.094 R)
• M24: 25,809,373 km (0.118 R)
• M25: 26,259,812 km (0.048 R)
• M26: 32,997,550 km (0.092 R)
• M27: 34,199,569 km (0.095 R)
• M28: 35,016,972 km (0.111 R)
• M29: 35,292,382 km (0.065 R)
• M30: 35,569,138 km (0.048 R)
• M31: 41,107,550 km (0.104 R)
• M32: 44,401,845 km (0.092 R)
• M33: 48,547,950 km (0.103 R)
• M34: 48,890,379 km (0.116 R)
• M35: 63,742,755 km (0.065 R)
• M36: 67,502,299 km (0.079 R)
• M37: 73,640,150 km (0.074 R)
• M38: 74,773,953 km (0.081 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 18,730 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit