🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.8 AU - 1.04 AU

Year: 312 Days

Day: 26.6 Hours

Environment

Temp: 94 °C

Axial Tilt: 4.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.15 AU - 1.51 AU

Year: 542 Days

Day: 17.1 Hours

Environment

Temp: 14 °C

Axial Tilt: 2.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.09 AU - 2.59 AU

Year: 1264 Days

Day: 35.3 Hours

Environment

Temp: -69 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.45 AU - 5.49 AU

Year: 3912 Days

Day: 44.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.7

Radius: 11.2

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5 AU - 7.86 AU

Year: 5757 Days

Day: 13.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,962,636 km

• M1: 139,276 km (0.065 R)
• M2: 501,452 km (0.035 R)
• M3: 1,279,211 km (0.093 R)
• M4: 1,725,163 km (0.113 R)
• M5: 2,546,754 km (0.042 R)
• M6: 2,937,953 km (0.084 R)
• M7: 3,657,518 km (0.077 R)
• M8: 4,084,022 km (0.091 R)
• M9: 4,731,631 km (0.118 R)
• M10: 7,568,455 km (0.116 R)
• M11: 8,067,065 km (0.088 R)
• M12: 8,465,295 km (0.118 R)
• M13: 9,215,528 km (0.094 R)
• M14: 11,783,974 km (0.107 R)
• M15: 13,872,211 km (0.104 R)
• M16: 16,008,917 km (0.072 R)
• M17: 16,385,305 km (0.073 R)
• M18: 18,838,261 km (0.09 R)
• M19: 19,755,296 km (0.103 R)
• M20: 23,001,720 km (0.052 R)
• M21: 25,297,299 km (0.107 R)
• M22: 27,205,121 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.4

Radius: 15

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 8.44 AU - 12.04 AU

Year: 11570 Days

Day: 6.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,962,636 km

• M1: 186,549 km (0.062 R)
• M2: 823,536 km (0.118 R)
• M3: 1,666,819 km (0.064 R)
• M4: 2,185,924 km (0.12 R)
• M5: 3,347,552 km (0.082 R)
• M6: 5,139,734 km (0.063 R)
• M7: 6,133,662 km (0.107 R)
• M8: 6,626,288 km (0.114 R)
• M9: 7,469,721 km (0.12 R)
• M10: 12,385,956 km (0.081 R)
• M11: 13,123,024 km (0.109 R)
• M12: 15,813,542 km (0.046 R)
• M13: 18,716,489 km (0.087 R)
• M14: 19,617,367 km (0.112 R)
• M15: 22,263,754 km (0.057 R)
• M16: 24,808,712 km (0.074 R)
• M17: 34,109,063 km (0.09 R)

Asteroid Belt

Center: 11.65 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 13.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.8

Radius: 14.3

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 12.95 AU - 13.15 AU

Year: 16646 Days

Day: 9.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,962,636 km

• M1: 178,470 km (0.077 R)
• M2: 847,472 km (0.109 R)
• M3: 2,319,365 km (0.112 R)
• M4: 3,331,245 km (0.082 R)
• M5: 4,696,326 km (0.032 R)
• M6: 5,975,388 km (0.049 R)
• M7: 6,664,136 km (0.054 R)
• M8: 9,963,368 km (0.116 R)
• M9: 10,797,974 km (0.089 R)
• M10: 13,583,487 km (0.086 R)
• M11: 16,038,986 km (0.06 R)
• M12: 23,146,082 km (0.092 R)
• M13: 24,063,565 km (0.067 R)
• M14: 26,629,319 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.6

Radius: 5.3

Gravity: 18.71 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 12.15 AU - 19.17 AU

Year: 21882 Days

Day: 21.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,962,636 km

• M1: 66,721 km (0.113 R)
• M2: 416,331 km (0.036 R)
• M3: 1,262,606 km (0.064 R)
• M4: 3,513,605 km (0.113 R)
• M5: 3,748,623 km (0.072 R)
• M6: 5,233,831 km (0.079 R)
• M7: 6,064,997 km (0.086 R)
• M8: 8,866,666 km (0.035 R)
• M9: 9,414,344 km (0.086 R)
• M10: 9,810,778 km (0.077 R)
• M11: 11,637,518 km (0.089 R)
• M12: 12,226,784 km (0.12 R)
• M13: 12,835,946 km (0.115 R)
• M14: 13,823,292 km (0.051 R)
• M15: 14,041,256 km (0.1 R)
• M16: 23,610,284 km (0.101 R)
• M17: 27,762,822 km (0.12 R)
• M18: 31,616,762 km (0.091 R)
• M19: 32,122,104 km (0.059 R)
• M20: 69,616,865 km (0.095 R)
• M21: 71,117,930 km (0.053 R)

Kuiper Belt

Range: 31.1 - 54.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 15,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit