🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.4 AU - 0.62 AU

Year: 235 Days

Day: 22.7 Hours

Environment

Temp: -120 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.49 AU - 0.75 AU

Year: 315 Days

Day: 30.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 175.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,320,564 km

• M1: 33,660 km (0.049 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.55 AU - 0.73 AU

Year: 331 Days

Day: 45.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.3

Radius: 11.1

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.7 AU - 1.14 AU

Year: 570 Days

Day: 12.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 105.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,320,564 km

• M1: 138,378 km (0.118 R)
• M2: 689,347 km (0.109 R)
• M3: 1,098,198 km (0.049 R)
• M4: 1,663,828 km (0.09 R)
• M5: 2,379,504 km (0.097 R)
• M6: 2,824,707 km (0.063 R)
• M7: 3,420,107 km (0.117 R)
• M8: 3,910,488 km (0.12 R)
• M9: 4,636,936 km (0.055 R)
• M10: 5,127,317 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.9

Radius: 3.7

Gravity: 38.85 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.94 AU - 8 AU

Year: 10626 Days

Day: 17 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,320,564 km

• M1: 46,076 km (0.063 R)
• M2: 259,403 km (0.115 R)
• M3: 575,054 km (0.054 R)
• M4: 1,320,949 km (0.094 R)
• M5: 1,648,569 km (0.096 R)
• M6: 1,944,473 km (0.064 R)
• M7: 2,600,759 km (0.094 R)
• M8: 2,827,849 km (0.108 R)
• M9: 4,654,139 km (0.069 R)
• M10: 6,233,444 km (0.081 R)
• M11: 6,640,051 km (0.11 R)
• M12: 7,880,965 km (0.098 R)
• M13: 8,051,657 km (0.057 R)
• M14: 8,181,208 km (0.113 R)
• M15: 9,945,566 km (0.076 R)
• M16: 12,574,299 km (0.097 R)
• M17: 14,266,850 km (0.109 R)
• M18: 14,712,502 km (0.101 R)
• M19: 15,765,970 km (0.112 R)
• M20: 17,801,847 km (0.034 R)
• M21: 19,149,874 km (0.112 R)
• M22: 19,692,017 km (0.032 R)
• M23: 21,050,964 km (0.093 R)
• M24: 22,471,246 km (0.073 R)
• M25: 22,987,358 km (0.086 R)
• M26: 26,251,584 km (0.092 R)
• M27: 26,536,717 km (0.095 R)
• M28: 27,113,268 km (0.096 R)
• M29: 30,330,071 km (0.108 R)
• M30: 31,172,157 km (0.108 R)
• M31: 31,385,035 km (0.083 R)
• M32: 31,598,960 km (0.04 R)
• M33: 32,355,327 km (0.115 R)
• M34: 33,123,811 km (0.115 R)
• M35: 35,040,309 km (0.09 R)
• M36: 38,723,110 km (0.113 R)
• M37: 40,089,537 km (0.052 R)
• M38: 42,918,133 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.2

Radius: 3.4

Gravity: 85.83 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.66 AU - 9.14 AU

Year: 15719 Days

Day: 22.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 73,320,564 km

• M1: 43,383 km (0.109 R)
• M2: 156,629 km (0.075 R)
• M3: 270,323 km (0.107 R)
• M4: 844,031 km (0.09 R)
• M5: 981,212 km (0.031 R)
• M6: 1,405,921 km (0.042 R)
• M7: 1,720,824 km (0.11 R)
• M8: 1,981,424 km (0.076 R)
• M9: 2,748,113 km (0.099 R)
• M10: 3,489,670 km (0.075 R)
• M11: 3,875,782 km (0.074 R)
• M12: 4,063,228 km (0.098 R)
• M13: 4,732,080 km (0.093 R)
• M14: 5,129,711 km (0.063 R)
• M15: 7,698,905 km (0.103 R)
• M16: 8,769,427 km (0.111 R)
• M17: 9,147,162 km (0.068 R)
• M18: 10,168,466 km (0.111 R)
• M19: 10,525,108 km (0.08 R)
• M20: 13,049,422 km (0.05 R)
• M21: 15,168,775 km (0.085 R)
• M22: 15,477,994 km (0.101 R)
• M23: 17,087,368 km (0.086 R)
• M24: 18,018,465 km (0.113 R)
• M25: 20,352,641 km (0.118 R)
• M26: 27,507,308 km (0.087 R)
• M27: 33,106,757 km (0.102 R)
• M28: 41,489,174 km (0.111 R)
• M29: 42,093,550 km (0.1 R)
• M30: 52,400,843 km (0.077 R)
• M31: 52,929,671 km (0.112 R)
• M32: 53,462,090 km (0.083 R)
• M33: 57,289,402 km (0.106 R)
• M34: 57,663,247 km (0.108 R)
• M35: 60,518,323 km (0.072 R)
• M36: 64,268,292 km (0.077 R)
• M37: 66,097,426 km (0.113 R)
• M38: 68,589,876 km (0.09 R)
• M39: 71,144,110 km (0.05 R)
• M40: 73,320,609 km (0.095 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 12,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit