🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.54 AU - 0.86 AU

Year: 216 Days

Day: 44.1 Hours

Environment

Temp: 186 °C

Axial Tilt: 34.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 56,047,414 km

• M1: 36,801 km (0.054 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.72 AU - 1.18 AU

Year: 342 Days

Day: 37.1 Hours

Environment

Temp: 44 °C

Axial Tilt: 33.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 56,047,414 km

• M1: 33,510 km (0.041 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.09 AU - 3.33 AU

Year: 1646 Days

Day: 47.7 Hours

Environment

Temp: -97 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.13 AU - 3.75 AU

Year: 2354 Days

Day: 19.6 Hours

Environment

Temp: -117 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.38 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613

Radius: 12.3

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.26 AU - 6.36 AU

Year: 4515 Days

Day: 10 Hours

Environment

Temp: -136 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,047,414 km

• M1: 153,188 km (0.107 R)
• M2: 805,435 km (0.111 R)
• M3: 1,234,182 km (0.106 R)
• M4: 1,793,678 km (0.108 R)
• M5: 2,818,424 km (0.084 R)
• M6: 3,997,704 km (0.074 R)
• M7: 4,925,360 km (0.09 R)
• M8: 6,348,934 km (0.069 R)
• M9: 7,041,422 km (0.118 R)
• M10: 8,540,243 km (0.052 R)
• M11: 9,991,941 km (0.075 R)
• M12: 13,837,354 km (0.093 R)
• M13: 18,699,285 km (0.103 R)
• M14: 23,696,004 km (0.056 R)
• M15: 25,593,802 km (0.106 R)
• M16: 26,940,781 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.1

Radius: 12.2

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.13 AU - 8.75 AU

Year: 7487 Days

Day: 9.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,047,414 km

• M1: 159,023 km (0.05 R)
• M2: 726,298 km (0.086 R)
• M3: 2,051,436 km (0.093 R)
• M4: 4,314,403 km (0.103 R)
• M5: 7,537,489 km (0.089 R)
• M6: 8,238,804 km (0.104 R)
• M7: 10,084,392 km (0.037 R)
• M8: 10,894,764 km (0.105 R)
• M9: 15,297,280 km (0.076 R)
• M10: 20,570,904 km (0.057 R)
• M11: 21,280,895 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.4

Radius: 12.3

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 8.48 AU - 13.18 AU

Year: 13150 Days

Day: 12 Hours

Environment

Temp: -180 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,047,414 km

• M1: 153,338 km (0.06 R)
• M2: 1,210,995 km (0.105 R)
• M3: 1,688,810 km (0.115 R)
• M4: 2,433,808 km (0.051 R)
• M5: 6,339,210 km (0.061 R)
• M6: 7,712,518 km (0.088 R)
• M7: 11,098,816 km (0.102 R)
• M8: 13,886,871 km (0.117 R)
• M9: 15,369,835 km (0.065 R)
• M10: 18,898,998 km (0.096 R)
• M11: 21,167,201 km (0.098 R)
• M12: 23,031,191 km (0.099 R)
• M13: 27,730,060 km (0.085 R)
• M14: 28,941,802 km (0.08 R)
• M15: 32,546,064 km (0.088 R)
• M16: 42,483,252 km (0.079 R)
• M17: 42,918,133 km (0.077 R)
• M18: 50,125,609 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.2

Radius: 5

Gravity: 17.21 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 11.48 AU - 13.16 AU

Year: 15955 Days

Day: 24.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,047,414 km

• M1: 67,020 km (0.099 R)
• M2: 458,368 km (0.095 R)
• M3: 618,587 km (0.112 R)
• M4: 895,642 km (0.093 R)
• M5: 1,080,695 km (0.1 R)
• M6: 1,456,036 km (0.09 R)
• M7: 4,575,750 km (0.104 R)
• M8: 4,929,399 km (0.098 R)
• M9: 6,370,476 km (0.104 R)
• M10: 6,935,058 km (0.098 R)
• M11: 7,315,336 km (0.092 R)
• M12: 8,587,217 km (0.047 R)
• M13: 9,174,987 km (0.052 R)
• M14: 9,684,966 km (0.041 R)
• M15: 13,730,392 km (0.025 R)
• M16: 20,526,174 km (0.115 R)
• M17: 21,751,979 km (0.099 R)
• M18: 36,928,683 km (0.099 R)
• M19: 45,239,742 km (0.07 R)
• M20: 46,711,187 km (0.074 R)
• M21: 47,158,784 km (0.105 R)
• M22: 49,439,703 km (0.118 R)
• M23: 50,528,925 km (0.096 R)
• M24: 52,593,824 km (0.05 R)
• M25: 52,916,507 km (0.112 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 15,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit