🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.6 AU - 0.9 AU

Year: 237 Days

Day: 22.5 Hours

Environment

Temp: 98 °C

Axial Tilt: 34.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.83 AU - 1.99 AU

Year: 964 Days

Day: 28.7 Hours

Environment

Temp: -57 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,309,856 km

• M1: 59,241 km (0.066 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.51 AU - 2.73 AU

Year: 1549 Days

Day: 27.3 Hours

Environment

Temp: -81 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.38 AU - 4.98 AU

Year: 3698 Days

Day: 29.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.1

Radius: 8.5

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.96 AU - 9.78 AU

Year: 8845 Days

Day: 13.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,309,856 km

• M1: 118,182 km (0.049 R)
• M2: 591,360 km (0.072 R)
• M3: 874,400 km (0.033 R)
• M4: 1,160,281 km (0.052 R)
• M5: 7,275,393 km (0.11 R)
• M6: 12,522,090 km (0.067 R)
• M7: 13,358,940 km (0.102 R)
• M8: 17,025,883 km (0.075 R)
• M9: 20,479,799 km (0.096 R)
• M10: 22,102,936 km (0.056 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.2

Radius: 4.6

Gravity: 31.39 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 14.22 AU - 20.42 AU

Year: 26328 Days

Day: 24.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 68,309,856 km

• M1: 57,146 km (0.119 R)
• M2: 209,587 km (0.08 R)
• M3: 427,551 km (0.091 R)
• M4: 758,910 km (0.088 R)
• M5: 930,798 km (0.097 R)
• M6: 1,521,111 km (0.095 R)
• M7: 1,937,292 km (0.091 R)
• M8: 2,216,741 km (0.056 R)
• M9: 2,547,203 km (0.104 R)
• M10: 2,882,751 km (0.109 R)
• M11: 3,047,309 km (0.042 R)
• M12: 3,801,731 km (0.069 R)
• M13: 5,256,420 km (0.033 R)
• M14: 5,461,070 km (0.081 R)
• M15: 6,196,942 km (0.114 R)
• M16: 7,498,294 km (0.076 R)
• M17: 8,349,955 km (0.042 R)
• M18: 8,516,607 km (0.074 R)
• M19: 10,757,882 km (0.096 R)
• M20: 12,405,104 km (0.077 R)
• M21: 15,679,203 km (0.118 R)
• M22: 16,103,612 km (0.113 R)
• M23: 17,153,640 km (0.095 R)
• M24: 17,878,442 km (0.052 R)
• M25: 18,155,497 km (0.07 R)
• M26: 20,175,367 km (0.096 R)
• M27: 20,880,572 km (0.088 R)
• M28: 31,064,447 km (0.116 R)
• M29: 36,245,769 km (0.096 R)
• M30: 36,393,272 km (0.077 R)
• M31: 36,987,326 km (0.115 R)
• M32: 40,529,055 km (0.101 R)
• M33: 48,456,396 km (0.058 R)
• M34: 50,818,397 km (0.091 R)
• M35: 52,121,394 km (0.094 R)
• M36: 53,637,718 km (0.065 R)
• M37: 57,356,422 km (0.102 R)
• M38: 61,452,711 km (0.117 R)
• M39: 70,910,887 km (0.075 R)
• M40: 71,604,722 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.1

Radius: 4.8

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 15.56 AU - 21.06 AU

Year: 28617 Days

Day: 16.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 86.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,309,856 km

• M1: 60,138 km (0.117 R)
• M2: 251,025 km (0.101 R)
• M3: 431,739 km (0.067 R)
• M4: 1,088,175 km (0.109 R)
• M5: 2,424,233 km (0.029 R)
• M6: 3,244,030 km (0.064 R)
• M7: 5,562,198 km (0.037 R)
• M8: 7,236,498 km (0.107 R)
• M9: 9,656,243 km (0.058 R)
• M10: 10,394,060 km (0.027 R)
• M11: 15,935,315 km (0.105 R)
• M12: 16,562,878 km (0.072 R)
• M13: 20,040,280 km (0.066 R)
• M14: 22,872,617 km (0.079 R)
• M15: 33,327,713 km (0.118 R)
• M16: 33,582,029 km (0.068 R)
• M17: 38,105,121 km (0.074 R)
• M18: 42,867,719 km (0.09 R)
• M19: 47,688,959 km (0.088 R)
• M20: 59,878,792 km (0.102 R)
• M21: 60,443,075 km (0.089 R)
• M22: 62,542,681 km (0.059 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 14,517 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit