🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.47 AU - 0.79 AU

Year: 175 Days

Day: 41.5 Hours

Environment

Temp: 176 °C

Axial Tilt: 36.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.27 AU - 1.33 AU

Year: 519 Days

Day: 35.3 Hours

Environment

Temp: 22 °C

Axial Tilt: 29.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 90,159,344 km

• M1: 153,787 km (0.098 R)
• M2: 1,004,998 km (0.047 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.07 AU - 1.55 AU

Year: 525 Days

Day: 37.9 Hours

Environment

Temp: 20 °C

Axial Tilt: 32.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 90,159,344 km

• M1: 357,240 km (0.057 R)

Planet 4 - Terrestrial

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.09 AU - 6.69 AU

Year: 4378 Days

Day: 43.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,159,344 km

• M1: 216,319 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.7

Radius: 9.1

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 6.94 AU - 9.38 AU

Year: 8155 Days

Day: 8.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 72.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,159,344 km

• M1: 113,246 km (0.044 R)
• M2: 406,158 km (0.114 R)
• M3: 697,276 km (0.083 R)
• M4: 1,013,226 km (0.106 R)
• M5: 1,497,774 km (0.031 R)
• M6: 1,808,189 km (0.105 R)
• M7: 3,402,155 km (0.108 R)
• M8: 3,969,430 km (0.098 R)
• M9: 6,511,995 km (0.095 R)
• M10: 9,325,034 km (0.1 R)
• M11: 9,627,221 km (0.066 R)
• M12: 9,980,721 km (0.115 R)
• M13: 10,573,428 km (0.03 R)
• M14: 11,679,555 km (0.105 R)
• M15: 12,755,313 km (0.049 R)
• M16: 19,281,071 km (0.074 R)
• M17: 19,631,130 km (0.054 R)
• M18: 26,339,697 km (0.039 R)
• M19: 28,363,008 km (0.067 R)
• M20: 33,114,985 km (0.109 R)
• M21: 33,516,655 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.3

Radius: 5.5

Gravity: 21.37 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 12.49 AU - 19.45 AU

Year: 22327 Days

Day: 24.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 55.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 90,159,344 km

• M1: 68,366 km (0.089 R)
• M2: 344,673 km (0.086 R)
• M3: 663,317 km (0.093 R)
• M4: 1,006,943 km (0.089 R)
• M5: 1,307,186 km (0.112 R)
• M6: 1,495,081 km (0.093 R)
• M7: 2,045,751 km (0.116 R)
• M8: 2,458,940 km (0.112 R)
• M9: 5,438,481 km (0.077 R)
• M10: 6,228,208 km (0.108 R)
• M11: 6,403,836 km (0.102 R)
• M12: 7,878,871 km (0.092 R)
• M13: 9,222,709 km (0.079 R)
• M14: 10,402,587 km (0.081 R)
• M15: 15,243,724 km (0.11 R)
• M16: 16,215,512 km (0.08 R)
• M17: 16,801,038 km (0.115 R)
• M18: 17,141,971 km (0.114 R)
• M19: 20,228,325 km (0.071 R)
• M20: 25,410,545 km (0.072 R)
• M21: 25,859,638 km (0.115 R)
• M22: 27,356,065 km (0.094 R)
• M23: 37,131,239 km (0.08 R)
• M24: 39,331,075 km (0.059 R)
• M25: 40,539,078 km (0.103 R)
• M26: 42,083,527 km (0.068 R)
• M27: 48,999,885 km (0.03 R)
• M28: 49,695,515 km (0.1 R)
• M29: 50,221,651 km (0.038 R)
• M30: 51,822,198 km (0.069 R)
• M31: 52,002,015 km (0.106 R)
• M32: 54,008,721 km (0.075 R)
• M33: 54,751,026 km (0.119 R)
• M34: 64,196,037 km (0.101 R)
• M35: 75,129,995 km (0.07 R)
• M36: 75,822,783 km (0.114 R)
• M37: 76,987,103 km (0.099 R)

Asteroid Belt

Center: 16.43 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 16.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773

Radius: 3.4

Gravity: 66.87 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 15.12 AU - 18.66 AU

Year: 24284 Days

Day: 20.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,159,344 km

• M1: 42,635 km (0.119 R)
• M2: 149,598 km (0.117 R)
• M3: 950,395 km (0.088 R)
• M4: 1,124,527 km (0.06 R)
• M5: 2,084,796 km (0.1 R)
• M6: 3,310,302 km (0.118 R)
• M7: 4,317,245 km (0.107 R)
• M8: 5,984,513 km (0.074 R)
• M9: 6,529,947 km (0.083 R)
• M10: 7,666,592 km (0.112 R)
• M11: 17,807,682 km (0.044 R)
• M12: 18,929,367 km (0.067 R)
• M13: 24,790,611 km (0.092 R)
• M14: 32,432,669 km (0.074 R)
• M15: 42,807,580 km (0.107 R)
• M16: 46,877,839 km (0.116 R)
• M17: 50,828,719 km (0.114 R)
• M18: 55,776,968 km (0.054 R)
• M19: 62,084,762 km (0.111 R)
• M20: 72,061,893 km (0.047 R)
• M21: 81,024,301 km (0.102 R)
• M22: 81,528,895 km (0.112 R)
• M23: 83,055,242 km (0.083 R)
• M24: 87,747,977 km (0.04 R)

Kuiper Belt

Range: 31.4 - 51.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 20,297 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit