🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.54 AU - 0.76 AU

Year: 230 Days

Day: 35.7 Hours

Environment

Temp: -13 °C

Axial Tilt: 22.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 53,598,590 km

• M1: 99,333 km (0.051 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.56 AU - 0.88 AU

Year: 269 Days

Day: 43.6 Hours

Environment

Temp: -17 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.94 AU - 1.16 AU

Year: 473 Days

Day: 17.5 Hours

Environment

Temp: -72 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.6

Radius: 13.9

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.37 AU - 3.51 AU

Year: 2217 Days

Day: 14.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,598,590 km

• M1: 172,935 km (0.078 R)
• M2: 747,241 km (0.107 R)
• M3: 1,519,017 km (0.105 R)
• M4: 2,480,482 km (0.065 R)
• M5: 3,020,830 km (0.039 R)
• M6: 3,587,806 km (0.034 R)
• M7: 4,768,283 km (0.059 R)
• M8: 5,541,255 km (0.051 R)
• M9: 6,019,669 km (0.098 R)
• M10: 6,630,178 km (0.111 R)
• M11: 8,937,276 km (0.085 R)
• M12: 11,278,183 km (0.057 R)
• M13: 12,328,361 km (0.093 R)
• M14: 13,105,821 km (0.099 R)
• M15: 14,046,492 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.9

Radius: 12.3

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.42 AU - 4.42 AU

Year: 3413 Days

Day: 8.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,598,590 km

• M1: 153,039 km (0.119 R)
• M2: 545,135 km (0.118 R)
• M3: 940,821 km (0.113 R)
• M4: 2,185,475 km (0.108 R)
• M5: 3,516,597 km (0.105 R)
• M6: 4,414,484 km (0.074 R)
• M7: 4,978,916 km (0.078 R)
• M8: 5,407,365 km (0.1 R)
• M9: 5,833,270 km (0.055 R)
• M10: 7,733,312 km (0.053 R)
• M11: 8,310,012 km (0.095 R)
• M12: 11,944,044 km (0.111 R)
• M13: 12,485,438 km (0.106 R)
• M14: 13,375,994 km (0.114 R)
• M15: 14,308,588 km (0.05 R)
• M16: 15,976,305 km (0.099 R)
• M17: 16,578,586 km (0.118 R)
• M18: 18,062,297 km (0.068 R)
• M19: 19,447,125 km (0.11 R)
• M20: 21,489,884 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.7

Radius: 9.5

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.07 AU - 7.33 AU

Year: 6788 Days

Day: 11.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 110 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,598,590 km

• M1: 118,182 km (0.108 R)
• M2: 450,888 km (0.082 R)
• M3: 912,697 km (0.076 R)
• M4: 1,635,703 km (0.087 R)
• M5: 2,421,690 km (0.09 R)
• M6: 3,130,186 km (0.063 R)
• M7: 4,098,682 km (0.058 R)
• M8: 4,867,316 km (0.062 R)
• M9: 6,299,566 km (0.062 R)
• M10: 8,035,051 km (0.07 R)
• M11: 8,621,176 km (0.061 R)
• M12: 13,321,391 km (0.114 R)
• M13: 13,669,356 km (0.071 R)
• M14: 18,835,569 km (0.111 R)
• M15: 23,534,587 km (0.116 R)
• M16: 24,214,959 km (0.095 R)
• M17: 32,902,705 km (0.094 R)
• M18: 36,732,411 km (0.114 R)
• M19: 38,578,149 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.5

Radius: 7.2

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 10.39 AU - 14.17 AU

Year: 18922 Days

Day: 17.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,598,590 km

• M1: 89,609 km (0.051 R)
• M2: 321,336 km (0.113 R)
• M3: 592,258 km (0.112 R)
• M4: 857,345 km (0.091 R)
• M5: 1,534,276 km (0.11 R)
• M6: 2,267,754 km (0.111 R)
• M7: 4,555,106 km (0.039 R)
• M8: 13,216,074 km (0.081 R)
• M9: 23,301,664 km (0.071 R)
• M10: 28,737,601 km (0.119 R)
• M11: 29,592,703 km (0.099 R)
• M12: 32,374,326 km (0.077 R)
• M13: 38,838,150 km (0.109 R)
• M14: 40,812,543 km (0.119 R)
• M15: 41,215,261 km (0.114 R)
• M16: 42,439,420 km (0.056 R)
• M17: 51,538,710 km (0.119 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 13,275 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit