🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.59 AU - 0.61 AU

Year: 175 Days

Day: 39.6 Hours

Environment

Temp: 143 °C

Axial Tilt: 39.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 85,238,958 km

• M1: 33,211 km (0.094 R)
• M2: 226,042 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.67 AU - 1.09 AU

Year: 311 Days

Day: 36 Hours

Environment

Temp: 38 °C

Axial Tilt: 13.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 85,238,958 km

• M1: 130,898 km (0.112 R)
• M2: 182,809 km (0.065 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.1 AU - 1.16 AU

Year: 453 Days

Day: 47.6 Hours

Environment

Temp: -2 °C

Axial Tilt: 18.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.08 AU - 1.34 AU

Year: 501 Days

Day: 41.5 Hours

Environment

Temp: -1 °C

Axial Tilt: 3.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.1 AU - 3.36 AU

Year: 2187 Days

Day: 27.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326

Radius: 14.8

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.74 AU - 5.5 AU

Year: 3741 Days

Day: 5.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,238,958 km

• M1: 184,155 km (0.1 R)
• M2: 940,522 km (0.088 R)
• M3: 1,620,145 km (0.073 R)
• M4: 3,655,274 km (0.055 R)
• M5: 4,860,136 km (0.099 R)
• M6: 5,469,448 km (0.119 R)
• M7: 6,235,538 km (0.059 R)
• M8: 7,101,411 km (0.113 R)
• M9: 8,466,791 km (0.076 R)
• M10: 10,488,008 km (0.12 R)
• M11: 11,672,823 km (0.099 R)
• M12: 15,024,413 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.9

Radius: 8.8

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.52 AU - 7.58 AU

Year: 6315 Days

Day: 14 Hours

Environment

Temp: -163 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,238,958 km

• M1: 116,537 km (0.067 R)
• M2: 530,923 km (0.114 R)
• M3: 2,269,250 km (0.106 R)
• M4: 3,501,637 km (0.109 R)
• M5: 4,897,834 km (0.071 R)
• M6: 5,454,937 km (0.12 R)
• M7: 5,849,277 km (0.089 R)
• M8: 8,332,302 km (0.047 R)
• M9: 10,262,264 km (0.056 R)
• M10: 10,733,498 km (0.109 R)
• M11: 12,569,363 km (0.111 R)
• M12: 13,059,296 km (0.073 R)
• M13: 14,712,651 km (0.099 R)
• M14: 16,676,123 km (0.12 R)
• M15: 21,598,492 km (0.117 R)
• M16: 23,531,446 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.2

Radius: 10.3

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.43 AU - 8.71 AU

Year: 7082 Days

Day: 7.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,238,958 km

• M1: 128,205 km (0.094 R)
• M2: 652,546 km (0.07 R)
• M3: 1,182,721 km (0.088 R)
• M4: 1,769,743 km (0.111 R)
• M5: 2,642,198 km (0.085 R)
• M6: 3,167,286 km (0.118 R)
• M7: 4,876,442 km (0.044 R)
• M8: 6,931,019 km (0.052 R)
• M9: 8,597,090 km (0.111 R)
• M10: 11,239,737 km (0.094 R)
• M11: 14,988,659 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401.4

Radius: 3

Gravity: 44.6 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 15.9 AU - 21.92 AU

Year: 30979 Days

Day: 20.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 85,238,958 km

• M1: 38,147 km (0.092 R)
• M2: 173,833 km (0.098 R)
• M3: 729,140 km (0.075 R)
• M4: 907,909 km (0.103 R)
• M5: 1,033,871 km (0.107 R)
• M6: 1,200,523 km (0.078 R)
• M7: 1,450,052 km (0.069 R)
• M8: 1,605,036 km (0.097 R)
• M9: 2,158,548 km (0.079 R)
• M10: 2,478,538 km (0.055 R)
• M11: 2,962,187 km (0.111 R)
• M12: 5,613,810 km (0.059 R)
• M13: 7,002,228 km (0.061 R)
• M14: 8,939,819 km (0.115 R)
• M15: 10,122,690 km (0.118 R)
• M16: 10,560,263 km (0.108 R)
• M17: 11,075,478 km (0.046 R)
• M18: 11,675,067 km (0.113 R)
• M19: 28,148,635 km (0.115 R)
• M20: 36,997,648 km (0.091 R)
• M21: 37,586,615 km (0.059 R)
• M22: 38,032,416 km (0.081 R)
• M23: 38,331,612 km (0.081 R)
• M24: 48,053,529 km (0.1 R)
• M25: 49,997,553 km (0.095 R)
• M26: 52,732,053 km (0.056 R)
• M27: 53,853,139 km (0.088 R)
• M28: 54,041,483 km (0.093 R)
• M29: 57,115,719 km (0.077 R)
• M30: 62,564,373 km (0.083 R)
• M31: 65,735,848 km (0.081 R)
• M32: 70,129,088 km (0.095 R)
• M33: 71,939,671 km (0.069 R)
• M34: 73,087,087 km (0.074 R)
• M35: 75,890,401 km (0.107 R)
• M36: 78,280,527 km (0.12 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 16,786 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit