🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.69 AU - 0.73 AU

Year: 229 Days

Day: 42.1 Hours

Environment

Temp: 178 °C

Axial Tilt: 26 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.8 AU - 1.06 AU

Year: 343 Days

Day: 43.2 Hours

Environment

Temp: 2 °C

Axial Tilt: 24.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.31 AU - 3.59 AU

Year: 2454 Days

Day: 30.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.5

Radius: 11.6

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.91 AU - 4.93 AU

Year: 3558 Days

Day: 9.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,337,382 km

• M1: 145,858 km (0.095 R)
• M2: 628,461 km (0.098 R)
• M3: 1,611,319 km (0.11 R)
• M4: 2,066,395 km (0.116 R)
• M5: 2,964,880 km (0.06 R)
• M6: 3,553,847 km (0.073 R)
• M7: 4,381,273 km (0.096 R)
• M8: 5,332,566 km (0.099 R)
• M9: 6,001,268 km (0.09 R)
• M10: 7,140,905 km (0.103 R)
• M11: 8,024,430 km (0.047 R)
• M12: 8,903,317 km (0.118 R)
• M13: 10,173,553 km (0.044 R)
• M14: 10,679,942 km (0.087 R)
• M15: 12,112,640 km (0.035 R)
• M16: 12,875,440 km (0.075 R)
• M17: 14,130,865 km (0.098 R)
• M18: 17,059,992 km (0.1 R)
• M19: 19,651,775 km (0.085 R)
• M20: 20,173,722 km (0.066 R)
• M21: 21,519,055 km (0.069 R)
• M22: 22,073,615 km (0.1 R)
• M23: 23,139,200 km (0.12 R)
• M24: 23,574,829 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.4

Radius: 9.1

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.02 AU - 5.12 AU

Year: 4371 Days

Day: 11.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,337,382 km

• M1: 114,293 km (0.1 R)
• M2: 442,959 km (0.049 R)
• M3: 751,729 km (0.068 R)
• M4: 1,072,617 km (0.117 R)
• M5: 1,369,120 km (0.091 R)
• M6: 1,858,754 km (0.101 R)
• M7: 3,002,878 km (0.11 R)
• M8: 3,979,752 km (0.072 R)
• M9: 8,449,587 km (0.044 R)
• M10: 9,147,461 km (0.04 R)
• M11: 11,778,738 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.4

Radius: 12.4

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 9.78 AU - 11.02 AU

Year: 12842 Days

Day: 13.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,337,382 km

• M1: 154,235 km (0.063 R)
• M2: 1,027,438 km (0.107 R)
• M3: 1,964,669 km (0.08 R)
• M4: 2,669,275 km (0.103 R)
• M5: 3,201,245 km (0.119 R)
• M6: 5,150,355 km (0.113 R)
• M7: 6,426,874 km (0.117 R)
• M8: 7,104,552 km (0.088 R)
• M9: 8,483,396 km (0.078 R)
• M10: 9,770,237 km (0.118 R)
• M11: 10,993,499 km (0.108 R)
• M12: 11,471,614 km (0.091 R)
• M13: 12,265,529 km (0.092 R)
• M14: 12,990,032 km (0.079 R)
• M15: 14,638,451 km (0.106 R)
• M16: 16,733,120 km (0.08 R)
• M17: 18,681,632 km (0.118 R)
• M18: 19,088,838 km (0.1 R)
• M19: 19,710,716 km (0.101 R)
• M20: 21,881,830 km (0.111 R)
• M21: 22,947,715 km (0.11 R)
• M22: 26,952,001 km (0.105 R)
• M23: 27,472,303 km (0.055 R)
• M24: 29,255,360 km (0.1 R)
• M25: 32,853,488 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.4

Radius: 5.4

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 9.48 AU - 14.84 AU

Year: 16236 Days

Day: 16 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,337,382 km

• M1: 67,169 km (0.117 R)
• M2: 436,826 km (0.081 R)
• M3: 899,981 km (0.069 R)
• M4: 2,377,709 km (0.114 R)
• M5: 3,331,395 km (0.11 R)
• M6: 4,714,876 km (0.102 R)
• M7: 5,375,051 km (0.117 R)
• M8: 7,604,808 km (0.078 R)
• M9: 8,595,894 km (0.087 R)
• M10: 8,768,978 km (0.101 R)
• M11: 10,191,205 km (0.114 R)
• M12: 13,954,639 km (0.095 R)
• M13: 16,876,435 km (0.068 R)
• M14: 18,193,794 km (0.048 R)
• M15: 19,355,122 km (0.09 R)
• M16: 19,878,266 km (0.115 R)
• M17: 26,545,544 km (0.077 R)
• M18: 27,005,707 km (0.114 R)
• M19: 29,780,448 km (0.107 R)
• M20: 30,880,890 km (0.108 R)
• M21: 34,453,138 km (0.065 R)
• M22: 37,825,672 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.7

Radius: 8

Gravity: 12.12 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 11.87 AU - 12.89 AU

Year: 16678 Days

Day: 24.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,337,382 km

• M1: 100,679 km (0.073 R)
• M2: 365,916 km (0.083 R)
• M3: 669,301 km (0.107 R)
• M4: 1,106,276 km (0.107 R)
• M5: 1,405,173 km (0.111 R)
• M6: 2,420,344 km (0.083 R)
• M7: 4,166,301 km (0.037 R)
• M8: 4,590,111 km (0.117 R)
• M9: 4,864,923 km (0.092 R)
• M10: 5,410,057 km (0.098 R)
• M11: 5,756,227 km (0.091 R)
• M12: 6,282,512 km (0.054 R)
• M13: 6,665,333 km (0.108 R)
• M14: 9,189,648 km (0.08 R)
• M15: 10,194,646 km (0.09 R)
• M16: 10,723,774 km (0.114 R)
• M17: 11,147,884 km (0.107 R)
• M18: 12,159,465 km (0.104 R)
• M19: 13,025,187 km (0.119 R)
• M20: 13,789,483 km (0.076 R)
• M21: 17,477,370 km (0.059 R)
• M22: 18,150,111 km (0.068 R)
• M23: 23,653,967 km (0.054 R)
• M24: 24,581,025 km (0.097 R)
• M25: 25,212,328 km (0.101 R)
• M26: 26,727,305 km (0.088 R)
• M27: 27,282,762 km (0.048 R)
• M28: 33,782,042 km (0.08 R)
• M29: 34,562,344 km (0.079 R)
• M30: 35,089,078 km (0.101 R)
• M31: 51,591,369 km (0.107 R)
• M32: 53,673,921 km (0.073 R)
• M33: 55,451,742 km (0.049 R)
• M34: 59,688,952 km (0.116 R)
• M35: 60,257,125 km (0.067 R)
• M36: 61,596,624 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.3

Radius: 3.6

Gravity: 17.46 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 14.28 AU - 22.56 AU

Year: 30269 Days

Day: 17.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,337,382 km

• M1: 44,730 km (0.06 R)
• M2: 273,914 km (0.08 R)
• M3: 505,192 km (0.113 R)
• M4: 898,934 km (0.091 R)
• M5: 4,479,559 km (0.077 R)
• M6: 4,997,317 km (0.103 R)
• M7: 13,012,771 km (0.101 R)
• M8: 22,512,385 km (0.088 R)
• M9: 47,912,608 km (0.08 R)
• M10: 49,555,491 km (0.075 R)
• M11: 60,208,057 km (0.058 R)
• M12: 62,507,077 km (0.075 R)
• M13: 65,863,155 km (0.108 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 11,722 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit