🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.56 AU - 0.82 AU

Year: 207 Days

Day: 32.9 Hours

Environment

Temp: 166 °C

Axial Tilt: 33 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.59 AU - 0.91 AU

Year: 235 Days

Day: 18.6 Hours

Environment

Temp: 122 °C

Axial Tilt: 35.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.17 AU - 1.51 AU

Year: 561 Days

Day: 40.8 Hours

Environment

Temp: -14 °C

Axial Tilt: 34.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.16 AU - 3.78 AU

Year: 2338 Days

Day: 42.2 Hours

Environment

Temp: -109 °C

Axial Tilt: 163.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.3

Radius: 10.3

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.39 AU - 6.89 AU

Year: 4844 Days

Day: 7.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,959,009 km

• M1: 128,355 km (0.113 R)
• M2: 473,776 km (0.086 R)
• M3: 1,301,501 km (0.112 R)
• M4: 2,452,657 km (0.086 R)
• M5: 2,986,273 km (0.116 R)
• M6: 3,649,290 km (0.079 R)
• M7: 6,274,733 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.2

Radius: 11.3

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.05 AU - 7.37 AU

Year: 5597 Days

Day: 9.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,959,009 km

• M1: 141,520 km (0.117 R)
• M2: 536,608 km (0.108 R)
• M3: 1,170,005 km (0.054 R)
• M4: 1,939,836 km (0.088 R)
• M5: 2,295,729 km (0.105 R)
• M6: 2,941,992 km (0.083 R)
• M7: 3,916,921 km (0.08 R)
• M8: 4,414,184 km (0.088 R)
• M9: 8,538,298 km (0.116 R)
• M10: 8,951,189 km (0.116 R)
• M11: 9,595,656 km (0.086 R)
• M12: 10,087,684 km (0.046 R)
• M13: 11,122,452 km (0.059 R)
• M14: 12,123,262 km (0.09 R)
• M15: 13,074,405 km (0.065 R)
• M16: 14,535,228 km (0.103 R)
• M17: 15,125,093 km (0.028 R)
• M18: 19,854,330 km (0.115 R)
• M19: 21,025,233 km (0.054 R)
• M20: 22,009,886 km (0.085 R)
• M21: 22,396,746 km (0.063 R)
• M22: 27,578,517 km (0.08 R)
• M23: 31,315,322 km (0.056 R)
• M24: 33,304,525 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.4

Radius: 13.3

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 10.22 AU - 12.22 AU

Year: 13592 Days

Day: 8.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,959,009 km

• M1: 165,904 km (0.078 R)
• M2: 594,502 km (0.08 R)
• M3: 1,158,336 km (0.066 R)
• M4: 3,038,931 km (0.066 R)
• M5: 4,307,072 km (0.111 R)
• M6: 4,781,298 km (0.106 R)
• M7: 5,574,465 km (0.119 R)
• M8: 7,153,022 km (0.047 R)
• M9: 8,066,916 km (0.116 R)
• M10: 9,237,369 km (0.113 R)
• M11: 10,767,606 km (0.085 R)
• M12: 12,295,150 km (0.118 R)
• M13: 13,255,269 km (0.041 R)
• M14: 13,724,109 km (0.025 R)
• M15: 14,448,162 km (0.12 R)
• M16: 14,882,146 km (0.083 R)
• M17: 20,951,631 km (0.05 R)
• M18: 23,238,084 km (0.103 R)
• M19: 23,748,812 km (0.117 R)
• M20: 24,267,168 km (0.11 R)
• M21: 26,508,443 km (0.057 R)
• M22: 27,254,039 km (0.065 R)
• M23: 30,885,378 km (0.116 R)
• M24: 33,083,719 km (0.027 R)
• M25: 34,276,163 km (0.118 R)
• M26: 37,324,070 km (0.058 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.1

Radius: 11.2

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 9.21 AU - 13.99 AU

Year: 14288 Days

Day: 5.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 117.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,959,009 km

• M1: 139,425 km (0.047 R)
• M2: 1,139,038 km (0.07 R)
• M3: 1,570,478 km (0.101 R)
• M4: 2,091,827 km (0.055 R)
• M5: 2,916,410 km (0.082 R)
• M6: 4,847,719 km (0.08 R)
• M7: 5,843,143 km (0.069 R)
• M8: 7,284,369 km (0.038 R)
• M9: 8,039,240 km (0.117 R)
• M10: 8,486,238 km (0.114 R)
• M11: 9,704,713 km (0.103 R)
• M12: 13,154,440 km (0.069 R)
• M13: 15,078,867 km (0.103 R)
• M14: 15,991,713 km (0.102 R)
• M15: 16,540,887 km (0.089 R)
• M16: 18,434,796 km (0.073 R)
• M17: 18,865,039 km (0.106 R)
• M18: 20,560,881 km (0.102 R)
• M19: 22,066,135 km (0.097 R)
• M20: 22,551,131 km (0.1 R)
• M21: 25,084,122 km (0.09 R)
• M22: 26,364,979 km (0.044 R)
• M23: 28,481,340 km (0.107 R)
• M24: 44,680,396 km (0.115 R)
• M25: 62,561,530 km (0.057 R)
• M26: 64,713,795 km (0.068 R)

Kuiper Belt

Range: 30.3 - 58.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 12,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit