🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.38 AU - 0.62 AU

Year: 129 Days

Day: 32.5 Hours

Environment

Temp: 233 °C

Axial Tilt: 11.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.71 AU - 1.01 AU

Year: 291 Days

Day: 14.2 Hours

Environment

Temp: 128 °C

Axial Tilt: 13.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.81 AU - 0.99 AU

Year: 312 Days

Day: 33.4 Hours

Environment

Temp: 125 °C

Axial Tilt: 38.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 78,363,488 km

• M1: 29,172 km (0.112 R)
• M2: 324,328 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.87 AU - 1.19 AU

Year: 382 Days

Day: 25.4 Hours

Environment

Temp: 21 °C

Axial Tilt: 19.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 78,363,488 km

• M1: 40,541 km (0.104 R)
• M2: 188,194 km (0.101 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.23 AU - 3.47 AU

Year: 2240 Days

Day: 33.3 Hours

Environment

Temp: -107 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,363,488 km

• M1: 134,040 km (0.043 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.39 AU - 5.43 AU

Year: 3383 Days

Day: 19.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.2

Radius: 11

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.77 AU - 6.47 AU

Year: 5530 Days

Day: 11.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,363,488 km

• M1: 137,181 km (0.116 R)
• M2: 505,042 km (0.083 R)
• M3: 860,038 km (0.114 R)
• M4: 1,302,997 km (0.117 R)
• M5: 3,976,910 km (0.11 R)
• M6: 4,979,664 km (0.088 R)
• M7: 6,469,360 km (0.09 R)
• M8: 7,014,794 km (0.099 R)
• M9: 7,516,994 km (0.098 R)
• M10: 8,878,035 km (0.117 R)
• M11: 9,682,573 km (0.052 R)
• M12: 12,700,261 km (0.054 R)
• M13: 13,611,461 km (0.08 R)
• M14: 14,394,008 km (0.111 R)
• M15: 16,233,314 km (0.099 R)
• M16: 16,922,212 km (0.113 R)
• M17: 18,492,840 km (0.086 R)
• M18: 19,383,097 km (0.073 R)
• M19: 21,771,277 km (0.072 R)
• M20: 25,003,489 km (0.12 R)
• M21: 26,176,785 km (0.038 R)
• M22: 31,817,223 km (0.096 R)
• M23: 32,206,776 km (0.03 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.1

Radius: 8.8

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 10.68 AU - 11.66 AU

Year: 13635 Days

Day: 10.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,363,488 km

• M1: 109,506 km (0.119 R)
• M2: 419,472 km (0.037 R)
• M3: 719,117 km (0.12 R)
• M4: 1,183,020 km (0.118 R)
• M5: 1,681,630 km (0.072 R)
• M6: 4,796,706 km (0.116 R)
• M7: 6,513,342 km (0.064 R)
• M8: 7,286,463 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 777

Radius: 4.1

Gravity: 46.22 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 12.55 AU - 15.93 AU

Year: 19627 Days

Day: 23.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,363,488 km

• M1: 57,595 km (0.057 R)
• M2: 219,161 km (0.099 R)
• M3: 409,150 km (0.096 R)
• M4: 776,263 km (0.105 R)
• M5: 943,065 km (0.088 R)
• M6: 1,202,617 km (0.037 R)
• M7: 1,626,877 km (0.081 R)
• M8: 2,102,598 km (0.076 R)
• M9: 2,569,343 km (0.102 R)
• M10: 2,865,248 km (0.119 R)
• M11: 3,408,587 km (0.102 R)
• M12: 4,625,267 km (0.098 R)
• M13: 5,138,537 km (0.095 R)
• M14: 5,894,605 km (0.093 R)
• M15: 6,676,553 km (0.061 R)
• M16: 7,673,623 km (0.058 R)
• M17: 9,377,692 km (0.11 R)
• M18: 9,607,026 km (0.062 R)
• M19: 9,840,099 km (0.06 R)
• M20: 10,747,709 km (0.069 R)
• M21: 13,877,746 km (0.093 R)
• M22: 14,630,373 km (0.079 R)
• M23: 15,890,585 km (0.118 R)
• M24: 19,539,726 km (0.111 R)
• M25: 24,674,972 km (0.075 R)
• M26: 26,568,283 km (0.104 R)
• M27: 30,515,871 km (0.086 R)
• M28: 32,957,159 km (0.109 R)
• M29: 45,479,548 km (0.093 R)
• M30: 53,966,385 km (0.09 R)
• M31: 55,445,160 km (0.115 R)
• M32: 57,905,446 km (0.111 R)
• M33: 58,676,773 km (0.077 R)
• M34: 60,833,376 km (0.086 R)
• M35: 62,434,522 km (0.085 R)
• M36: 67,406,407 km (0.068 R)
• M37: 72,189,948 km (0.1 R)
• M38: 75,577,891 km (0.108 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 14,724 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit