🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.5 AU - 0.78 AU

Year: 227 Days

Day: 23.5 Hours

Environment

Temp: -4 °C

Axial Tilt: 37.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.7 AU - 0.74 AU

Year: 271 Days

Day: 44.4 Hours

Environment

Temp: -31 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.71 AU - 2.39 AU

Year: 1300 Days

Day: 19.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 45.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.6

Radius: 9.1

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.62 AU - 3.42 AU

Year: 2325 Days

Day: 6.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,253,686 km

• M1: 113,246 km (0.046 R)
• M2: 541,544 km (0.118 R)
• M3: 1,285,345 km (0.096 R)
• M4: 1,806,394 km (0.084 R)
• M5: 2,265,959 km (0.118 R)
• M6: 2,558,572 km (0.105 R)
• M7: 3,061,072 km (0.104 R)
• M8: 3,352,937 km (0.106 R)
• M9: 3,862,617 km (0.085 R)
• M10: 4,403,114 km (0.091 R)
• M11: 4,927,455 km (0.093 R)
• M12: 7,364,703 km (0.063 R)
• M13: 7,684,095 km (0.063 R)
• M14: 8,476,066 km (0.118 R)
• M15: 9,055,608 km (0.064 R)
• M16: 9,974,139 km (0.059 R)
• M17: 11,141,750 km (0.118 R)
• M18: 12,479,604 km (0.1 R)
• M19: 13,400,379 km (0.071 R)
• M20: 14,682,582 km (0.045 R)
• M21: 15,423,989 km (0.076 R)
• M22: 16,336,686 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650

Radius: 8.2

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.18 AU - 3.78 AU

Year: 2875 Days

Day: 14.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,253,686 km

• M1: 102,026 km (0.11 R)
• M2: 460,911 km (0.118 R)
• M3: 1,153,100 km (0.051 R)
• M4: 1,680,433 km (0.102 R)
• M5: 1,962,574 km (0.08 R)
• M6: 2,956,353 km (0.042 R)
• M7: 4,316,796 km (0.077 R)
• M8: 7,502,782 km (0.077 R)
• M9: 8,889,255 km (0.082 R)
• M10: 9,866,129 km (0.097 R)
• M11: 11,442,442 km (0.084 R)
• M12: 12,685,451 km (0.076 R)
• M13: 14,986,715 km (0.111 R)
• M14: 17,387,761 km (0.118 R)
• M15: 18,736,984 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.8

Radius: 13.6

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.62 AU - 4 AU

Year: 3294 Days

Day: 7.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,253,686 km

• M1: 169,195 km (0.099 R)
• M2: 681,418 km (0.089 R)
• M3: 1,325,138 km (0.074 R)
• M4: 1,836,314 km (0.092 R)
• M5: 2,603,302 km (0.07 R)
• M6: 3,776,449 km (0.11 R)
• M7: 6,004,709 km (0.026 R)
• M8: 6,768,855 km (0.1 R)
• M9: 9,151,051 km (0.096 R)
• M10: 10,244,911 km (0.107 R)
• M11: 11,121,106 km (0.049 R)
• M12: 12,928,098 km (0.079 R)
• M13: 14,767,105 km (0.091 R)
• M14: 16,326,064 km (0.066 R)
• M15: 18,713,946 km (0.102 R)
• M16: 22,202,867 km (0.094 R)
• M17: 24,028,410 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96

Radius: 9.5

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.93 AU - 5.67 AU

Year: 4658 Days

Day: 13.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,253,686 km

• M1: 118,182 km (0.05 R)
• M2: 454,628 km (0.11 R)
• M3: 1,082,341 km (0.071 R)
• M4: 1,572,274 km (0.08 R)
• M5: 2,157,351 km (0.04 R)
• M6: 3,356,378 km (0.075 R)
• M7: 4,662,666 km (0.089 R)
• M8: 6,157,149 km (0.076 R)
• M9: 6,556,875 km (0.104 R)
• M10: 9,959,777 km (0.049 R)
• M11: 10,371,620 km (0.099 R)
• M12: 12,564,725 km (0.056 R)
• M13: 13,790,829 km (0.114 R)
• M14: 14,216,734 km (0.106 R)
• M15: 14,695,298 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.4

Radius: 5.9

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.26 AU - 10.98 AU

Year: 15329 Days

Day: 23.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,253,686 km

• M1: 73,901 km (0.105 R)
• M2: 298,149 km (0.117 R)
• M3: 537,356 km (0.04 R)
• M4: 840,890 km (0.095 R)
• M5: 1,704,817 km (0.079 R)
• M6: 2,329,388 km (0.104 R)
• M7: 2,674,062 km (0.096 R)
• M8: 3,163,097 km (0.115 R)
• M9: 3,610,545 km (0.064 R)
• M10: 5,899,542 km (0.092 R)
• M11: 7,225,278 km (0.112 R)
• M12: 9,568,729 km (0.04 R)
• M13: 9,954,242 km (0.098 R)
• M14: 10,602,749 km (0.107 R)
• M15: 13,065,878 km (0.096 R)
• M16: 17,119,382 km (0.111 R)
• M17: 22,105,030 km (0.109 R)
• M18: 24,701,301 km (0.11 R)
• M19: 27,784,214 km (0.107 R)
• M20: 31,747,062 km (0.101 R)
• M21: 33,586,368 km (0.053 R)
• M22: 34,252,228 km (0.081 R)
• M23: 40,896,468 km (0.116 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 14,195 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit