🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.44 AU - 0.58 AU

Year: 139 Days

Day: 45.9 Hours

Environment

Temp: 143 °C

Axial Tilt: 10.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.63 AU - 0.99 AU

Year: 279 Days

Day: 30.3 Hours

Environment

Temp: 31 °C

Axial Tilt: 23.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.85 AU - 1.05 AU

Year: 355 Days

Day: 24.2 Hours

Environment

Temp: 23 °C

Axial Tilt: 10.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 79,237,282 km

• M1: 471,084 km (0.068 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.14 AU - 2.38 AU

Year: 1301 Days

Day: 33.1 Hours

Environment

Temp: -87 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.67 AU - 4.05 AU

Year: 2358 Days

Day: 19.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,237,282 km

• M1: 1,637,648 km (0.09 R)

Asteroid Belt

Center: 6.41 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.3

Radius: 9

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 9.17 AU - 9.75 AU

Year: 11141 Days

Day: 8.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,237,282 km

• M1: 113,246 km (0.07 R)
• M2: 406,607 km (0.102 R)
• M3: 775,964 km (0.075 R)
• M4: 1,149,959 km (0.086 R)
• M5: 1,460,524 km (0.116 R)
• M6: 1,841,550 km (0.113 R)
• M7: 2,660,449 km (0.084 R)
• M8: 2,956,353 km (0.082 R)
• M9: 3,615,182 km (0.095 R)
• M10: 4,003,239 km (0.096 R)
• M11: 6,377,208 km (0.119 R)
• M12: 10,807,997 km (0.048 R)
• M13: 13,244,947 km (0.062 R)
• M14: 14,562,754 km (0.115 R)
• M15: 16,638,425 km (0.107 R)
• M16: 19,039,022 km (0.053 R)
• M17: 21,587,870 km (0.112 R)
• M18: 23,330,386 km (0.094 R)
• M19: 25,328,565 km (0.116 R)
• M20: 29,480,355 km (0.093 R)
• M21: 30,959,279 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.4

Radius: 13.8

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 11.03 AU - 11.83 AU

Year: 14796 Days

Day: 6.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,237,282 km

• M1: 174,132 km (0.119 R)
• M2: 653,593 km (0.045 R)
• M3: 1,213,388 km (0.041 R)
• M4: 2,044,105 km (0.052 R)
• M5: 2,510,252 km (0.103 R)
• M6: 4,135,484 km (0.109 R)
• M7: 6,342,651 km (0.116 R)
• M8: 7,108,442 km (0.109 R)
• M9: 14,367,380 km (0.04 R)
• M10: 15,894,175 km (0.086 R)
• M11: 16,520,242 km (0.115 R)
• M12: 21,373,796 km (0.117 R)
• M13: 22,051,325 km (0.102 R)
• M14: 25,185,250 km (0.075 R)
• M15: 28,912,032 km (0.027 R)
• M16: 32,991,566 km (0.074 R)
• M17: 35,994,444 km (0.082 R)
• M18: 46,371,301 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856

Radius: 4.1

Gravity: 50.92 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 10.92 AU - 16.1 AU

Year: 19013 Days

Day: 21.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,237,282 km

• M1: 51,162 km (0.084 R)
• M2: 254,616 km (0.095 R)
• M3: 446,998 km (0.06 R)
• M4: 602,730 km (0.093 R)
• M5: 894,146 km (0.103 R)
• M6: 1,187,209 km (0.118 R)
• M7: 1,922,931 km (0.066 R)
• M8: 2,104,692 km (0.083 R)
• M9: 3,246,423 km (0.056 R)
• M10: 3,417,115 km (0.08 R)
• M11: 4,160,317 km (0.082 R)
• M12: 4,748,236 km (0.098 R)
• M13: 5,195,384 km (0.072 R)
• M14: 6,479,533 km (0.049 R)
• M15: 6,935,357 km (0.063 R)
• M16: 7,171,124 km (0.063 R)
• M17: 7,658,513 km (0.081 R)
• M18: 8,430,738 km (0.119 R)
• M19: 10,867,089 km (0.089 R)
• M20: 11,314,237 km (0.083 R)
• M21: 12,589,409 km (0.064 R)
• M22: 14,715,793 km (0.038 R)
• M23: 15,823,116 km (0.062 R)
• M24: 19,014,787 km (0.067 R)
• M25: 20,906,602 km (0.077 R)
• M26: 21,597,445 km (0.1 R)
• M27: 34,538,109 km (0.081 R)
• M28: 35,781,268 km (0.092 R)
• M29: 36,061,464 km (0.117 R)
• M30: 39,688,913 km (0.056 R)
• M31: 46,317,745 km (0.079 R)
• M32: 69,237,934 km (0.096 R)
• M33: 79,237,355 km (0.102 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 18,792 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit