🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.43 AU - 0.61 AU

Year: 166 Days

Day: 25.2 Hours

Environment

Temp: 42 °C

Axial Tilt: 39.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 1.08 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.37 AU - 1.91 AU

Year: 930 Days

Day: 43.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.91 AU - 2.05 AU

Year: 1234 Days

Day: 13.6 Hours

Environment

Temp: -115 °C

Axial Tilt: 41.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273

Radius: 8.6

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.18 AU - 4.8 AU

Year: 3530 Days

Day: 9 Hours

Environment

Temp: -170 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 107,234,689 km

• M1: 107,561 km (0.085 R)
• M2: 380,577 km (0.058 R)
• M3: 708,047 km (0.104 R)
• M4: 1,236,127 km (0.076 R)
• M5: 1,713,494 km (0.069 R)
• M6: 2,104,842 km (0.085 R)
• M7: 3,282,327 km (0.095 R)
• M8: 4,591,009 km (0.11 R)
• M9: 5,613,361 km (0.119 R)
• M10: 6,919,500 km (0.117 R)
• M11: 7,764,129 km (0.083 R)
• M12: 8,578,241 km (0.086 R)
• M13: 8,872,949 km (0.039 R)
• M14: 10,673,060 km (0.112 R)
• M15: 12,286,922 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.2

Radius: 14.4

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 7.17 AU - 7.45 AU

Year: 8754 Days

Day: 6.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 107,234,689 km

• M1: 179,218 km (0.099 R)
• M2: 804,388 km (0.097 R)
• M3: 1,432,100 km (0.101 R)
• M4: 2,171,263 km (0.102 R)
• M5: 3,718,704 km (0.101 R)
• M6: 5,911,659 km (0.096 R)
• M7: 9,335,506 km (0.099 R)
• M8: 9,783,701 km (0.112 R)
• M9: 10,767,756 km (0.056 R)
• M10: 11,490,463 km (0.087 R)
• M11: 12,832,954 km (0.069 R)
• M12: 18,680,585 km (0.074 R)
• M13: 20,533,804 km (0.071 R)
• M14: 23,614,473 km (0.075 R)
• M15: 27,155,604 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.5

Radius: 4.9

Gravity: 25.55 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 11.84 AU - 12.42 AU

Year: 18712 Days

Day: 17.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 89.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 107,234,689 km

• M1: 63,280 km (0.067 R)
• M2: 399,277 km (0.084 R)
• M3: 557,102 km (0.092 R)
• M4: 1,054,366 km (0.054 R)
• M5: 1,991,746 km (0.062 R)
• M6: 2,767,860 km (0.097 R)
• M7: 3,554,445 km (0.118 R)
• M8: 4,717,718 km (0.094 R)
• M9: 5,595,559 km (0.084 R)
• M10: 6,073,075 km (0.088 R)
• M11: 7,385,497 km (0.066 R)
• M12: 9,469,545 km (0.113 R)
• M13: 10,031,734 km (0.051 R)
• M14: 12,570,410 km (0.035 R)
• M15: 13,880,139 km (0.065 R)
• M16: 14,239,473 km (0.104 R)
• M17: 14,678,693 km (0.086 R)
• M18: 15,894,026 km (0.054 R)
• M19: 17,672,744 km (0.081 R)
• M20: 19,046,651 km (0.105 R)
• M21: 28,122,904 km (0.062 R)
• M22: 33,841,282 km (0.119 R)
• M23: 39,709,857 km (0.025 R)
• M24: 44,648,232 km (0.087 R)
• M25: 46,062,680 km (0.073 R)
• M26: 48,322,057 km (0.086 R)
• M27: 66,645,851 km (0.101 R)
• M28: 68,491,590 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 936.8

Radius: 7.3

Gravity: 17.58 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 15.46 AU - 16.74 AU

Year: 28614 Days

Day: 22.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 107,234,689 km

• M1: 90,806 km (0.072 R)
• M2: 497,563 km (0.119 R)
• M3: 1,126,173 km (0.031 R)
• M4: 9,532,376 km (0.117 R)
• M5: 12,163,653 km (0.063 R)
• M6: 13,483,705 km (0.114 R)
• M7: 13,889,564 km (0.11 R)
• M8: 17,339,740 km (0.087 R)
• M9: 22,207,954 km (0.078 R)
• M10: 22,546,493 km (0.092 R)
• M11: 24,892,038 km (0.101 R)
• M12: 26,248,891 km (0.114 R)
• M13: 33,189,185 km (0.045 R)
• M14: 33,780,246 km (0.098 R)
• M15: 34,378,339 km (0.101 R)
• M16: 41,771,615 km (0.074 R)
• M17: 49,771,810 km (0.085 R)
• M18: 60,912,513 km (0.1 R)
• M19: 63,368,910 km (0.111 R)
• M20: 65,890,532 km (0.051 R)
• M21: 82,169,473 km (0.1 R)
• M22: 86,272,793 km (0.066 R)
• M23: 94,293,632 km (0.114 R)
• M24: 95,776,297 km (0.083 R)
• M25: 101,552,420 km (0.1 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 16,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit