🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.52 AU - 0.56 AU

Year: 170 Days

Day: 32.3 Hours

Environment

Temp: 164 °C

Axial Tilt: 32.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.71 AU - 0.73 AU

Year: 261 Days

Day: 24.2 Hours

Environment

Temp: 11 °C

Axial Tilt: 8.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.61 AU - 1.01 AU

Year: 312 Days

Day: 30.8 Hours

Environment

Temp: -33 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.14 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.23 AU - 1.71 AU

Year: 762 Days

Day: 25.6 Hours

Environment

Temp: -91 °C

Axial Tilt: 42.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.3 AU - 2.02 AU

Year: 914 Days

Day: 26.1 Hours

Environment

Temp: -102 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,403,459 km

• M1: 38,147 km (0.102 R)
• M2: 671,096 km (0.108 R)

Asteroid Belt

Center: 4.47 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.4

Radius: 12.3

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.68 AU - 8.86 AU

Year: 8380 Days

Day: 6.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,403,459 km

• M1: 153,637 km (0.117 R)
• M2: 864,526 km (0.068 R)
• M3: 1,367,474 km (0.106 R)
• M4: 1,855,014 km (0.12 R)
• M5: 2,775,489 km (0.095 R)
• M6: 4,059,937 km (0.084 R)
• M7: 5,242,957 km (0.027 R)
• M8: 5,949,807 km (0.097 R)
• M9: 6,418,646 km (0.114 R)
• M10: 7,804,970 km (0.037 R)
• M11: 9,478,222 km (0.116 R)
• M12: 12,103,814 km (0.106 R)
• M13: 12,977,914 km (0.089 R)
• M14: 13,645,420 km (0.063 R)
• M15: 15,785,717 km (0.118 R)
• M16: 16,197,709 km (0.065 R)
• M17: 17,843,884 km (0.105 R)
• M18: 23,184,678 km (0.073 R)
• M19: 25,647,209 km (0.118 R)
• M20: 26,121,583 km (0.105 R)
• M21: 29,092,298 km (0.045 R)
• M22: 29,816,651 km (0.084 R)
• M23: 33,620,027 km (0.097 R)
• M24: 37,369,997 km (0.078 R)
• M25: 38,596,849 km (0.12 R)
• M26: 39,850,330 km (0.087 R)
• M27: 43,773,833 km (0.085 R)
• M28: 46,107,709 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505

Radius: 13.6

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.77 AU - 9.29 AU

Year: 10650 Days

Day: 5.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,403,459 km

• M1: 169,195 km (0.094 R)
• M2: 847,023 km (0.061 R)
• M3: 1,756,728 km (0.073 R)
• M4: 2,181,885 km (0.103 R)
• M5: 3,135,721 km (0.094 R)
• M6: 3,897,922 km (0.114 R)
• M7: 4,869,859 km (0.083 R)
• M8: 5,301,599 km (0.075 R)
• M9: 6,172,109 km (0.085 R)
• M10: 6,791,444 km (0.108 R)
• M11: 9,645,772 km (0.11 R)
• M12: 11,742,984 km (0.082 R)
• M13: 12,467,337 km (0.091 R)
• M14: 13,519,160 km (0.117 R)
• M15: 16,203,245 km (0.102 R)
• M16: 17,031,269 km (0.1 R)
• M17: 18,922,036 km (0.082 R)
• M18: 23,813,438 km (0.036 R)
• M19: 26,079,696 km (0.101 R)
• M20: 26,549,583 km (0.111 R)
• M21: 28,486,127 km (0.116 R)
• M22: 31,037,369 km (0.071 R)
• M23: 32,099,215 km (0.079 R)
• M24: 39,108,025 km (0.083 R)
• M25: 42,902,425 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399

Radius: 13.4

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 7.57 AU - 12.21 AU

Year: 13296 Days

Day: 10.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,403,459 km

• M1: 166,652 km (0.107 R)
• M2: 1,392,457 km (0.116 R)
• M3: 2,062,506 km (0.105 R)
• M4: 3,207,678 km (0.088 R)
• M5: 7,594,635 km (0.105 R)
• M6: 8,018,147 km (0.073 R)
• M7: 8,683,259 km (0.08 R)
• M8: 13,908,862 km (0.118 R)
• M9: 19,319,817 km (0.1 R)
• M10: 23,859,065 km (0.062 R)
• M11: 25,517,956 km (0.097 R)
• M12: 29,999,609 km (0.101 R)
• M13: 34,748,444 km (0.036 R)
• M14: 36,636,519 km (0.058 R)
• M15: 39,976,141 km (0.109 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 11,407 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit