🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.59 AU - 0.93 AU

Year: 237 Days

Day: 20.6 Hours

Environment

Temp: 132 °C

Axial Tilt: 10.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.07 AU - 1.23 AU

Year: 442 Days

Day: 14.5 Hours

Environment

Temp: 25 °C

Axial Tilt: 18.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.25 AU - 1.55 AU

Year: 593 Days

Day: 39.8 Hours

Environment

Temp: 10 °C

Axial Tilt: 37.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 43,123,524 km

• M1: 221,704 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.2 AU - 1.9 AU

Year: 691 Days

Day: 28.5 Hours

Environment

Temp: -28 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.98 AU - 3.96 AU

Year: 2315 Days

Day: 32.7 Hours

Environment

Temp: -119 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,123,524 km

• M1: 162,463 km (0.112 R)
• M2: 887,714 km (0.119 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.63 AU - 4.21 AU

Year: 2780 Days

Day: 35.8 Hours

Environment

Temp: -128 °C

Axial Tilt: 14.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,123,524 km

• M1: 49,666 km (0.048 R)
• M2: 1,255,425 km (0.11 R)

Asteroid Belt

Center: 4.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.2

Radius: 9.6

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.67 AU - 5.97 AU

Year: 5029 Days

Day: 14.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,123,524 km

• M1: 120,725 km (0.098 R)
• M2: 471,383 km (0.094 R)
• M3: 1,073,664 km (0.11 R)
• M4: 1,909,168 km (0.108 R)
• M5: 2,421,092 km (0.085 R)
• M6: 2,800,472 km (0.102 R)
• M7: 3,801,731 km (0.06 R)
• M8: 5,460,472 km (0.117 R)
• M9: 6,643,492 km (0.096 R)
• M10: 9,976,383 km (0.093 R)
• M11: 10,789,447 km (0.11 R)
• M12: 11,778,439 km (0.11 R)
• M13: 12,779,847 km (0.102 R)
• M14: 18,116,153 km (0.08 R)
• M15: 18,653,508 km (0.072 R)
• M16: 19,823,214 km (0.076 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.9

Radius: 12.8

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.6 AU - 10.68 AU

Year: 10720 Days

Day: 5.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,123,524 km

• M1: 159,322 km (0.113 R)
• M2: 625,618 km (0.101 R)
• M3: 1,143,825 km (0.043 R)
• M4: 1,707,809 km (0.112 R)
• M5: 2,504,418 km (0.063 R)
• M6: 3,027,263 km (0.097 R)
• M7: 6,012,638 km (0.086 R)
• M8: 7,026,163 km (0.079 R)
• M9: 7,665,096 km (0.085 R)
• M10: 8,616,538 km (0.11 R)
• M11: 10,078,857 km (0.12 R)
• M12: 12,909,548 km (0.07 R)
• M13: 16,051,552 km (0.08 R)
• M14: 16,972,926 km (0.034 R)
• M15: 18,255,877 km (0.036 R)
• M16: 19,949,325 km (0.118 R)
• M17: 21,524,142 km (0.119 R)
• M18: 25,327,368 km (0.115 R)
• M19: 26,239,018 km (0.076 R)
• M20: 26,830,378 km (0.083 R)
• M21: 28,569,304 km (0.046 R)
• M22: 29,375,786 km (0.093 R)
• M23: 30,382,131 km (0.096 R)
• M24: 32,078,271 km (0.085 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.5

Radius: 9.1

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 11.03 AU - 13.51 AU

Year: 15394 Days

Day: 11.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,123,524 km

• M1: 113,246 km (0.11 R)
• M2: 895,642 km (0.076 R)
• M3: 1,217,278 km (0.095 R)
• M4: 1,833,621 km (0.107 R)
• M5: 2,256,684 km (0.085 R)
• M6: 2,907,285 km (0.042 R)
• M7: 6,773,492 km (0.118 R)
• M8: 7,075,680 km (0.086 R)
• M9: 9,637,544 km (0.102 R)
• M10: 13,876,998 km (0.111 R)
• M11: 14,865,690 km (0.06 R)
• M12: 15,442,091 km (0.116 R)
• M13: 21,642,773 km (0.11 R)
• M14: 28,143,698 km (0.089 R)
• M15: 29,124,761 km (0.072 R)
• M16: 30,027,135 km (0.113 R)
• M17: 32,099,066 km (0.084 R)
• M18: 41,091,842 km (0.114 R)

Kuiper Belt

Range: 30.6 - 60.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 10,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit