🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.4 AU - 0.61 AU

Year: 134 Days

Day: 18.5 Hours

Environment

Temp: 186 °C

Axial Tilt: 6.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 59,116,166 km

• M1: 140,173 km (0.088 R)
• M2: 374,294 km (0.042 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.16 AU - 1.26 AU

Year: 504 Days

Day: 21.7 Hours

Environment

Temp: -6 °C

Axial Tilt: 6.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 59,116,166 km

• M1: 400,623 km (0.038 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.23 AU - 1.65 AU

Year: 654 Days

Day: 47.4 Hours

Environment

Temp: -39 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.59 AU - 1.83 AU

Year: 847 Days

Day: 12.3 Hours

Environment

Temp: -60 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.1

Radius: 14.9

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.98 AU - 5.82 AU

Year: 4108 Days

Day: 13.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,116,166 km

• M1: 188,344 km (0.11 R)
• M2: 932,593 km (0.084 R)
• M3: 1,952,701 km (0.108 R)
• M4: 2,513,843 km (0.084 R)
• M5: 3,133,627 km (0.094 R)
• M6: 3,892,387 km (0.111 R)
• M7: 4,619,881 km (0.116 R)
• M8: 5,508,942 km (0.047 R)
• M9: 7,934,821 km (0.065 R)
• M10: 10,357,708 km (0.077 R)
• M11: 11,799,682 km (0.113 R)
• M12: 13,064,083 km (0.11 R)
• M13: 13,594,407 km (0.115 R)
• M14: 16,877,183 km (0.062 R)
• M15: 17,400,925 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.8

Radius: 12.1

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.28 AU - 6.8 AU

Year: 5622 Days

Day: 13 Hours

Environment

Temp: -160 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,116,166 km

• M1: 150,495 km (0.089 R)
• M2: 653,743 km (0.065 R)
• M3: 1,446,013 km (0.055 R)
• M4: 1,948,662 km (0.099 R)
• M5: 2,327,892 km (0.033 R)
• M6: 3,257,643 km (0.087 R)
• M7: 4,220,156 km (0.12 R)
• M8: 5,679,184 km (0.109 R)
• M9: 6,262,017 km (0.101 R)
• M10: 7,778,640 km (0.105 R)
• M11: 12,233,515 km (0.087 R)
• M12: 14,535,528 km (0.119 R)
• M13: 15,415,911 km (0.106 R)
• M14: 16,113,037 km (0.059 R)
• M15: 17,056,102 km (0.079 R)
• M16: 18,749,251 km (0.101 R)
• M17: 19,667,782 km (0.065 R)
• M18: 22,129,115 km (0.038 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.9

Radius: 13.8

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 8.71 AU - 11.15 AU

Year: 11851 Days

Day: 10.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,116,166 km

• M1: 171,888 km (0.097 R)
• M2: 1,649,466 km (0.044 R)
• M3: 2,597,019 km (0.117 R)
• M4: 3,041,923 km (0.118 R)
• M5: 3,514,503 km (0.028 R)
• M6: 5,853,166 km (0.092 R)
• M7: 6,409,371 km (0.105 R)
• M8: 7,115,623 km (0.118 R)
• M9: 7,914,475 km (0.11 R)
• M10: 9,316,507 km (0.114 R)
• M11: 10,422,334 km (0.118 R)
• M12: 11,033,142 km (0.114 R)
• M13: 11,560,325 km (0.097 R)
• M14: 12,104,413 km (0.043 R)
• M15: 12,779,548 km (0.085 R)
• M16: 15,021,122 km (0.042 R)
• M17: 16,814,501 km (0.101 R)
• M18: 18,451,551 km (0.087 R)
• M19: 25,979,166 km (0.114 R)
• M20: 27,198,987 km (0.034 R)
• M21: 27,871,430 km (0.052 R)
• M22: 28,358,520 km (0.038 R)
• M23: 31,506,359 km (0.118 R)
• M24: 37,652,737 km (0.093 R)
• M25: 40,568,998 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.6

Radius: 4.6

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 16.63 AU - 20.99 AU

Year: 30898 Days

Day: 18 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,116,166 km

• M1: 69,264 km (0.098 R)
• M2: 1,025,045 km (0.084 R)
• M3: 2,317,570 km (0.114 R)
• M4: 3,453,766 km (0.094 R)
• M5: 4,720,112 km (0.107 R)
• M6: 6,386,632 km (0.08 R)
• M7: 13,200,516 km (0.104 R)
• M8: 14,614,814 km (0.09 R)
• M9: 15,179,098 km (0.092 R)
• M10: 19,123,096 km (0.05 R)
• M11: 20,663,655 km (0.115 R)
• M12: 25,072,454 km (0.103 R)
• M13: 27,441,934 km (0.04 R)
• M14: 33,340,429 km (0.103 R)
• M15: 46,497,113 km (0.11 R)
• M16: 51,820,403 km (0.057 R)
• M17: 55,643,078 km (0.099 R)
• M18: 56,498,179 km (0.078 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 15,904 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit