🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.78 AU - 0.78 AU

Year: 250 Days

Day: 47.3 Hours

Environment

Temp: 155 °C

Axial Tilt: 3.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.14 AU - 1.56 AU

Year: 570 Days

Day: 28.8 Hours

Environment

Temp: -9 °C

Axial Tilt: 36.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.5 AU - 1.8 AU

Year: 770 Days

Day: 43.5 Hours

Environment

Temp: -37 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.2

Radius: 13.4

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.28 AU - 6.6 AU

Year: 4611 Days

Day: 11.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,092,164 km

• M1: 166,652 km (0.031 R)
• M2: 1,038,508 km (0.114 R)
• M3: 2,233,197 km (0.108 R)
• M4: 2,876,917 km (0.089 R)
• M5: 4,797,155 km (0.1 R)
• M6: 6,240,625 km (0.088 R)
• M7: 7,078,672 km (0.091 R)
• M8: 9,201,316 km (0.115 R)
• M9: 10,861,853 km (0.114 R)
• M10: 14,615,263 km (0.109 R)
• M11: 20,155,022 km (0.074 R)
• M12: 20,925,451 km (0.068 R)
• M13: 21,582,335 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.2

Radius: 11.7

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.84 AU - 6.04 AU

Year: 5261 Days

Day: 10.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,092,164 km

• M1: 154,385 km (0.1 R)
• M2: 531,521 km (0.051 R)
• M3: 1,128,716 km (0.087 R)
• M4: 1,515,127 km (0.083 R)
• M5: 2,149,123 km (0.086 R)
• M6: 3,197,206 km (0.1 R)
• M7: 3,990,523 km (0.117 R)
• M8: 4,378,430 km (0.051 R)
• M9: 5,205,408 km (0.083 R)
• M10: 5,749,944 km (0.119 R)
• M11: 6,190,061 km (0.066 R)
• M12: 7,811,253 km (0.107 R)
• M13: 8,954,181 km (0.081 R)
• M14: 9,737,625 km (0.108 R)
• M15: 10,165,923 km (0.103 R)
• M16: 11,102,107 km (0.08 R)
• M17: 12,408,695 km (0.115 R)
• M18: 13,669,954 km (0.12 R)
• M19: 16,120,367 km (0.112 R)
• M20: 18,790,390 km (0.103 R)
• M21: 19,211,807 km (0.035 R)
• M22: 21,349,411 km (0.118 R)
• M23: 22,073,615 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.8

Radius: 4.3

Gravity: 39.04 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 13.21 AU - 17.61 AU

Year: 21985 Days

Day: 23.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,092,164 km

• M1: 53,556 km (0.067 R)
• M2: 1,004,849 km (0.063 R)
• M3: 1,265,448 km (0.061 R)
• M4: 2,368,882 km (0.097 R)
• M5: 3,437,759 km (0.098 R)
• M6: 5,775,375 km (0.094 R)
• M7: 6,203,225 km (0.119 R)
• M8: 6,652,019 km (0.111 R)
• M9: 8,447,493 km (0.083 R)
• M10: 11,442,592 km (0.078 R)
• M11: 14,142,983 km (0.117 R)
• M12: 14,761,121 km (0.087 R)
• M13: 17,678,130 km (0.096 R)
• M14: 22,168,908 km (0.105 R)
• M15: 22,375,204 km (0.116 R)
• M16: 32,247,018 km (0.07 R)
• M17: 35,101,944 km (0.099 R)
• M18: 36,662,698 km (0.093 R)
• M19: 36,951,272 km (0.1 R)
• M20: 40,997,596 km (0.11 R)
• M21: 47,178,381 km (0.102 R)
• M22: 47,691,203 km (0.101 R)
• M23: 56,602,150 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.2

Radius: 4.1

Gravity: 18.51 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 12.74 AU - 19.46 AU

Year: 23478 Days

Day: 21.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,092,164 km

• M1: 51,013 km (0.105 R)
• M2: 233,373 km (0.064 R)
• M3: 364,869 km (0.12 R)
• M4: 984,204 km (0.032 R)
• M5: 1,448,407 km (0.118 R)
• M6: 1,951,355 km (0.065 R)
• M7: 2,985,525 km (0.1 R)
• M8: 3,938,912 km (0.097 R)
• M9: 4,403,713 km (0.054 R)
• M10: 5,079,297 km (0.082 R)
• M11: 5,331,219 km (0.08 R)
• M12: 8,083,970 km (0.105 R)
• M13: 8,883,421 km (0.103 R)
• M14: 10,637,755 km (0.116 R)
• M15: 12,223,343 km (0.046 R)
• M16: 14,959,787 km (0.093 R)
• M17: 15,552,195 km (0.034 R)
• M18: 16,006,523 km (0.103 R)
• M19: 16,391,887 km (0.091 R)
• M20: 18,749,999 km (0.075 R)
• M21: 21,510,678 km (0.058 R)
• M22: 21,979,817 km (0.085 R)
• M23: 22,264,651 km (0.082 R)
• M24: 24,125,798 km (0.049 R)
• M25: 31,513,839 km (0.103 R)
• M26: 35,781,567 km (0.054 R)
• M27: 36,838,924 km (0.104 R)
• M28: 37,106,405 km (0.083 R)
• M29: 37,916,777 km (0.075 R)
• M30: 39,433,101 km (0.109 R)
• M31: 41,420,808 km (0.098 R)
• M32: 45,748,674 km (0.11 R)
• M33: 46,993,478 km (0.117 R)
• M34: 48,741,679 km (0.116 R)
• M35: 52,198,736 km (0.096 R)
• M36: 58,136,425 km (0.111 R)
• M37: 62,969,334 km (0.046 R)

Kuiper Belt

Range: 30.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 18,884 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit