🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.69 AU - 0.81 AU

Year: 241 Days

Day: 41.9 Hours

Environment

Temp: 156 °C

Axial Tilt: 16.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.82 AU - 0.9 AU

Year: 296 Days

Day: 27.3 Hours

Environment

Temp: 146 °C

Axial Tilt: 24.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.86 AU - 1.42 AU

Year: 451 Days

Day: 35 Hours

Environment

Temp: 11 °C

Axial Tilt: 37.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.93 AU - 1.43 AU

Year: 475 Days

Day: 44.5 Hours

Environment

Temp: 14 °C

Axial Tilt: 117.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.37 AU - 1.57 AU

Year: 661 Days

Day: 19.1 Hours

Environment

Temp: -33 °C

Axial Tilt: 85 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.82 AU - 1.94 AU

Year: 956 Days

Day: 22.8 Hours

Environment

Temp: -72 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.04 AU - 4.56 AU

Year: 2747 Days

Day: 20.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 18.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,043,433 km

• M1: 151,094 km (0.066 R)

Asteroid Belt

Center: 4.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.2

Radius: 14.2

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.12 AU - 6.7 AU

Year: 4667 Days

Day: 12.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,043,433 km

• M1: 177,872 km (0.109 R)
• M2: 657,483 km (0.098 R)
• M3: 1,212,940 km (0.079 R)
• M4: 1,707,660 km (0.086 R)
• M5: 2,782,221 km (0.118 R)
• M6: 3,511,660 km (0.098 R)
• M7: 6,037,172 km (0.087 R)
• M8: 7,575,187 km (0.117 R)
• M9: 8,042,232 km (0.115 R)
• M10: 8,842,730 km (0.083 R)
• M11: 9,394,297 km (0.059 R)
• M12: 10,177,143 km (0.111 R)
• M13: 11,912,329 km (0.028 R)
• M14: 12,505,484 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.8

Radius: 7.1

Gravity: 19.12 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 10.52 AU - 17.06 AU

Year: 18991 Days

Day: 23 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,043,433 km

• M1: 88,861 km (0.037 R)
• M2: 328,966 km (0.088 R)
• M3: 670,647 km (0.057 R)
• M4: 929,003 km (0.103 R)
• M5: 1,799,513 km (0.059 R)
• M6: 2,445,925 km (0.057 R)
• M7: 3,769,418 km (0.11 R)
• M8: 4,567,672 km (0.099 R)
• M9: 4,894,394 km (0.066 R)
• M10: 7,586,108 km (0.111 R)
• M11: 7,890,091 km (0.099 R)
• M12: 9,074,607 km (0.111 R)
• M13: 11,067,250 km (0.093 R)
• M14: 12,268,821 km (0.107 R)
• M15: 16,901,268 km (0.098 R)
• M16: 18,308,984 km (0.1 R)
• M17: 19,321,163 km (0.029 R)
• M18: 19,793,294 km (0.089 R)
• M19: 24,835,491 km (0.103 R)
• M20: 27,710,313 km (0.03 R)
• M21: 29,413,335 km (0.029 R)
• M22: 32,759,241 km (0.115 R)
• M23: 36,925,392 km (0.111 R)
• M24: 38,537,309 km (0.104 R)
• M25: 39,890,721 km (0.115 R)
• M26: 40,195,751 km (0.101 R)
• M27: 43,011,033 km (0.104 R)
• M28: 44,140,647 km (0.106 R)
• M29: 53,157,359 km (0.097 R)
• M30: 60,071,175 km (0.07 R)
• M31: 60,673,007 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 374.2

Radius: 7.9

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 15.89 AU - 19.93 AU

Year: 28109 Days

Day: 22.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,043,433 km

• M1: 98,286 km (0.106 R)
• M2: 997,967 km (0.096 R)
• M3: 1,598,603 km (0.087 R)
• M4: 1,921,734 km (0.085 R)
• M5: 3,081,417 km (0.118 R)
• M6: 3,383,156 km (0.068 R)
• M7: 4,143,263 km (0.047 R)
• M8: 5,199,872 km (0.061 R)
• M9: 6,382,294 km (0.11 R)
• M10: 7,248,466 km (0.103 R)
• M11: 10,316,568 km (0.077 R)
• M12: 11,441,694 km (0.071 R)
• M13: 11,900,660 km (0.044 R)
• M14: 14,457,288 km (0.081 R)
• M15: 17,444,608 km (0.116 R)
• M16: 17,964,909 km (0.101 R)
• M17: 22,711,500 km (0.065 R)
• M18: 23,123,941 km (0.063 R)
• M19: 32,458,100 km (0.112 R)
• M20: 36,380,557 km (0.098 R)
• M21: 36,803,470 km (0.115 R)
• M22: 37,515,705 km (0.12 R)
• M23: 38,528,333 km (0.045 R)
• M24: 39,558,913 km (0.066 R)
• M25: 40,910,829 km (0.081 R)
• M26: 41,368,299 km (0.092 R)
• M27: 48,816,029 km (0.046 R)
• M28: 53,760,837 km (0.047 R)
• M29: 57,872,535 km (0.073 R)
• M30: 59,029,375 km (0.09 R)
• M31: 60,793,283 km (0.064 R)
• M32: 61,988,570 km (0.096 R)
• M33: 63,810,673 km (0.118 R)
• M34: 70,578,779 km (0.118 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 15,221 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit