🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.81 AU - 1.23 AU

Year: 365 Days

Day: 37.4 Hours

Environment

Temp: 88 °C

Axial Tilt: 21.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 80,777,855 km

• M1: 32,912 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.14 AU - 1.58 AU

Year: 563 Days

Day: 40.6 Hours

Environment

Temp: -11 °C

Axial Tilt: 16.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 80,777,855 km

• M1: 68,067 km (0.082 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.93 AU - 2.29 AU

Year: 1087 Days

Day: 16.2 Hours

Environment

Temp: -57 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.9

Radius: 14.2

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.41 AU - 7.69 AU

Year: 5947 Days

Day: 14.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,777,855 km

• M1: 176,675 km (0.069 R)
• M2: 631,303 km (0.101 R)
• M3: 1,073,215 km (0.105 R)
• M4: 1,628,822 km (0.104 R)
• M5: 2,100,354 km (0.086 R)
• M6: 2,931,969 km (0.066 R)
• M7: 5,339,298 km (0.096 R)
• M8: 5,937,091 km (0.073 R)
• M9: 7,916,121 km (0.09 R)
• M10: 9,459,821 km (0.074 R)
• M11: 10,337,961 km (0.11 R)
• M12: 11,343,857 km (0.083 R)
• M13: 14,360,348 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.1

Radius: 8.8

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.24 AU - 8.2 AU

Year: 7610 Days

Day: 6.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,777,855 km

• M1: 109,506 km (0.064 R)
• M2: 396,434 km (0.102 R)
• M3: 686,505 km (0.083 R)
• M4: 1,059,452 km (0.103 R)
• M5: 1,954,197 km (0.069 R)
• M6: 2,422,588 km (0.094 R)
• M7: 3,061,820 km (0.114 R)
• M8: 3,673,226 km (0.117 R)
• M9: 3,996,208 km (0.084 R)
• M10: 4,516,659 km (0.111 R)
• M11: 5,845,088 km (0.088 R)
• M12: 6,287,000 km (0.118 R)
• M13: 7,416,913 km (0.119 R)
• M14: 9,853,114 km (0.086 R)
• M15: 12,988,386 km (0.106 R)
• M16: 15,334,979 km (0.064 R)
• M17: 17,624,424 km (0.113 R)
• M18: 22,333,915 km (0.086 R)
• M19: 23,492,550 km (0.077 R)
• M20: 24,286,915 km (0.066 R)
• M21: 26,266,394 km (0.107 R)
• M22: 26,606,430 km (0.101 R)
• M23: 29,708,641 km (0.097 R)
• M24: 30,543,696 km (0.111 R)
• M25: 30,825,539 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.1

Radius: 11.7

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 9.82 AU - 13.08 AU

Year: 13745 Days

Day: 7.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,777,855 km

• M1: 145,858 km (0.074 R)
• M2: 759,359 km (0.04 R)
• M3: 1,778,719 km (0.098 R)
• M4: 2,173,059 km (0.05 R)
• M5: 3,435,066 km (0.07 R)
• M6: 3,942,502 km (0.095 R)
• M7: 5,572,820 km (0.081 R)
• M8: 9,654,149 km (0.118 R)
• M9: 18,621,494 km (0.085 R)
• M10: 19,592,534 km (0.094 R)
• M11: 23,892,126 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 360.1

Radius: 6.2

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 15.14 AU - 23.54 AU

Year: 30173 Days

Day: 19.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 80,777,855 km

• M1: 77,193 km (0.09 R)
• M2: 517,010 km (0.034 R)
• M3: 732,431 km (0.066 R)
• M4: 1,578,856 km (0.053 R)
• M5: 2,004,911 km (0.049 R)
• M6: 3,657,070 km (0.081 R)
• M7: 4,505,289 km (0.075 R)
• M8: 4,864,175 km (0.111 R)
• M9: 5,126,569 km (0.097 R)
• M10: 5,928,863 km (0.108 R)
• M11: 6,141,890 km (0.104 R)
• M12: 7,093,033 km (0.075 R)
• M13: 8,086,812 km (0.1 R)
• M14: 9,746,900 km (0.113 R)
• M15: 10,845,247 km (0.092 R)
• M16: 11,358,966 km (0.099 R)
• M17: 12,365,610 km (0.09 R)
• M18: 13,212,933 km (0.064 R)
• M19: 13,430,598 km (0.093 R)
• M20: 14,249,496 km (0.09 R)
• M21: 15,579,721 km (0.097 R)
• M22: 16,651,290 km (0.111 R)
• M23: 19,779,382 km (0.119 R)
• M24: 24,566,962 km (0.083 R)
• M25: 26,819,158 km (0.086 R)
• M26: 27,520,922 km (0.115 R)
• M27: 32,120,608 km (0.103 R)
• M28: 37,207,534 km (0.038 R)
• M29: 38,521,302 km (0.058 R)
• M30: 46,220,805 km (0.095 R)
• M31: 47,738,177 km (0.114 R)
• M32: 48,768,008 km (0.04 R)
• M33: 52,489,106 km (0.101 R)
• M34: 52,853,077 km (0.078 R)
• M35: 57,352,981 km (0.117 R)
• M36: 57,545,813 km (0.093 R)
• M37: 58,127,001 km (0.117 R)
• M38: 67,105,865 km (0.074 R)

Kuiper Belt

Range: 30.9 - 49.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 12,468 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit