🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.64 AU - 1.06 AU

Year: 294 Days

Day: 13.4 Hours

Environment

Temp: 127 °C

Axial Tilt: 43.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.02 AU - 3.08 AU

Year: 1526 Days

Day: 46.4 Hours

Environment

Temp: -94 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.14 AU - 4.9 AU

Year: 3020 Days

Day: 25.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 24 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,675,563 km

• M1: 918,830 km (0.094 R)

Asteroid Belt

Center: 4.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.5

Radius: 12.2

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.63 AU - 5.85 AU

Year: 5153 Days

Day: 7.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,675,563 km

• M1: 151,692 km (0.12 R)
• M2: 647,609 km (0.113 R)
• M3: 1,064,389 km (0.072 R)
• M4: 1,529,489 km (0.073 R)
• M5: 1,952,103 km (0.092 R)
• M6: 2,791,047 km (0.115 R)
• M7: 4,368,407 km (0.1 R)
• M8: 6,115,411 km (0.069 R)
• M9: 6,744,321 km (0.109 R)
• M10: 7,128,039 km (0.088 R)
• M11: 7,563,070 km (0.101 R)
• M12: 8,249,126 km (0.078 R)
• M13: 13,707,952 km (0.103 R)
• M14: 15,020,823 km (0.094 R)
• M15: 17,112,650 km (0.061 R)
• M16: 23,656,659 km (0.052 R)
• M17: 27,085,143 km (0.083 R)
• M18: 29,888,009 km (0.096 R)
• M19: 30,451,993 km (0.093 R)
• M20: 31,504,414 km (0.088 R)
• M21: 34,088,268 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.1

Radius: 14.3

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.49 AU - 7.37 AU

Year: 6110 Days

Day: 5.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,675,563 km

• M1: 178,769 km (0.055 R)
• M2: 1,169,257 km (0.054 R)
• M3: 1,774,680 km (0.066 R)
• M4: 2,821,565 km (0.034 R)
• M5: 6,352,674 km (0.114 R)
• M6: 6,820,167 km (0.113 R)
• M7: 7,277,338 km (0.06 R)
• M8: 8,145,155 km (0.119 R)
• M9: 11,619,117 km (0.05 R)
• M10: 13,452,888 km (0.087 R)
• M11: 17,932,895 km (0.107 R)
• M12: 26,145,220 km (0.086 R)
• M13: 26,784,452 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.7

Radius: 10.6

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.76 AU - 7.82 AU

Year: 6630 Days

Day: 9.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,675,563 km

• M1: 132,843 km (0.099 R)
• M2: 873,801 km (0.115 R)
• M3: 2,009,099 km (0.065 R)
• M4: 3,893,883 km (0.069 R)
• M5: 4,800,596 km (0.093 R)
• M6: 6,166,275 km (0.111 R)
• M7: 10,904,937 km (0.063 R)
• M8: 13,517,963 km (0.098 R)
• M9: 14,790,143 km (0.118 R)
• M10: 20,019,337 km (0.049 R)
• M11: 23,816,579 km (0.081 R)
• M12: 24,478,999 km (0.081 R)
• M13: 29,182,356 km (0.08 R)
• M14: 36,272,846 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409

Radius: 7.8

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 12.5 AU - 13.56 AU

Year: 17626 Days

Day: 24.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,675,563 km

• M1: 103,073 km (0.116 R)
• M2: 391,049 km (0.104 R)
• M3: 831,166 km (0.101 R)
• M4: 1,443,769 km (0.062 R)
• M5: 1,917,396 km (0.071 R)
• M6: 2,617,963 km (0.113 R)
• M7: 3,558,036 km (0.085 R)
• M8: 3,974,067 km (0.072 R)
• M9: 4,610,606 km (0.069 R)
• M10: 5,672,153 km (0.095 R)
• M11: 5,932,752 km (0.11 R)
• M12: 11,748,070 km (0.097 R)
• M13: 14,110,071 km (0.119 R)
• M14: 16,318,884 km (0.084 R)
• M15: 18,666,523 km (0.078 R)
• M16: 20,437,911 km (0.095 R)
• M17: 21,499,009 km (0.1 R)
• M18: 22,596,310 km (0.098 R)
• M19: 23,730,411 km (0.077 R)
• M20: 27,466,319 km (0.089 R)
• M21: 36,078,668 km (0.115 R)
• M22: 39,486,657 km (0.113 R)
• M23: 44,697,899 km (0.054 R)
• M24: 57,668,334 km (0.034 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15.6

Radius: 7.9

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 16.28 AU - 20.1 AU

Year: 29072 Days

Day: 20.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,675,563 km

• M1: 470,037 km (0.088 R)
• M2: 1,270,535 km (0.104 R)
• M3: 8,807,724 km (0.103 R)
• M4: 12,251,916 km (0.089 R)
• M5: 14,484,215 km (0.095 R)
• M6: 20,674,875 km (0.062 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: 524 - 13,293 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit