🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.8 AU - 1 AU

Year: 313 Days

Day: 32.6 Hours

Environment

Temp: 68 °C

Axial Tilt: 104.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.05 AU - 1.15 AU

Year: 424 Days

Day: 27.6 Hours

Environment

Temp: 18 °C

Axial Tilt: 37 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 44,565,732 km

• M1: 446,400 km (0.042 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.17 AU - 1.19 AU

Year: 471 Days

Day: 32 Hours

Environment

Temp: 16 °C

Axial Tilt: 34.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.03 AU - 1.57 AU

Year: 544 Days

Day: 34.3 Hours

Environment

Temp: -4 °C

Axial Tilt: 5.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 44,565,732 km

• M1: 411,544 km (0.106 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.25 AU - 1.75 AU

Year: 674 Days

Day: 42.8 Hours

Environment

Temp: -39 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.08 AU - 3.1 AU

Year: 1530 Days

Day: 20.6 Hours

Environment

Temp: -99 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,565,732 km

• M1: 23,636 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.9

Radius: 8

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.72 AU - 8.72 AU

Year: 8651 Days

Day: 9.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,565,732 km

• M1: 99,483 km (0.034 R)
• M2: 370,404 km (0.055 R)
• M3: 1,668,166 km (0.105 R)
• M4: 1,974,243 km (0.057 R)
• M5: 3,524,975 km (0.1 R)
• M6: 4,425,404 km (0.072 R)
• M7: 5,533,775 km (0.074 R)
• M8: 5,886,676 km (0.089 R)
• M9: 6,323,053 km (0.074 R)
• M10: 7,683,945 km (0.053 R)
• M11: 9,408,659 km (0.104 R)
• M12: 13,375,546 km (0.09 R)
• M13: 13,720,369 km (0.094 R)
• M14: 14,851,628 km (0.103 R)
• M15: 16,433,176 km (0.112 R)
• M16: 17,230,832 km (0.081 R)
• M17: 18,546,396 km (0.052 R)
• M18: 18,903,337 km (0.094 R)
• M19: 22,648,968 km (0.112 R)
• M20: 23,139,200 km (0.108 R)
• M21: 27,318,815 km (0.071 R)
• M22: 28,248,865 km (0.051 R)
• M23: 32,283,220 km (0.058 R)
• M24: 38,507,090 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.6

Radius: 14.4

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.18 AU - 11.74 AU

Year: 11539 Days

Day: 13 Hours

Environment

Temp: -176 °C

Axial Tilt: 59.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,565,732 km

• M1: 179,069 km (0.059 R)
• M2: 738,415 km (0.114 R)
• M3: 1,459,776 km (0.061 R)
• M4: 2,027,799 km (0.059 R)
• M5: 2,628,435 km (0.115 R)
• M6: 3,505,527 km (0.098 R)
• M7: 4,219,558 km (0.094 R)
• M8: 4,853,553 km (0.09 R)
• M9: 5,775,824 km (0.12 R)
• M10: 6,488,808 km (0.034 R)
• M11: 7,033,493 km (0.115 R)
• M12: 9,163,019 km (0.076 R)
• M13: 9,850,272 km (0.102 R)
• M14: 16,715,617 km (0.116 R)
• M15: 23,862,656 km (0.11 R)
• M16: 25,253,766 km (0.088 R)
• M17: 27,253,890 km (0.099 R)
• M18: 28,292,697 km (0.097 R)
• M19: 29,162,160 km (0.027 R)
• M20: 31,567,843 km (0.067 R)
• M21: 32,819,080 km (0.114 R)
• M22: 40,057,074 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.2

Radius: 6.7

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 11.87 AU - 13.05 AU

Year: 16145 Days

Day: 22.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 44,565,732 km

• M1: 83,476 km (0.054 R)
• M2: 317,596 km (0.12 R)
• M3: 624,571 km (0.083 R)
• M4: 978,520 km (0.07 R)
• M5: 1,284,298 km (0.093 R)
• M6: 1,681,929 km (0.072 R)
• M7: 1,974,243 km (0.084 R)
• M8: 2,246,362 km (0.056 R)
• M9: 2,681,542 km (0.079 R)
• M10: 2,973,108 km (0.116 R)
• M11: 3,426,240 km (0.056 R)
• M12: 3,770,166 km (0.05 R)
• M13: 4,498,258 km (0.115 R)
• M14: 8,539,794 km (0.116 R)
• M15: 8,807,275 km (0.102 R)
• M16: 9,312,318 km (0.082 R)
• M17: 10,995,443 km (0.091 R)
• M18: 12,930,043 km (0.093 R)
• M19: 13,763,752 km (0.101 R)
• M20: 18,035,669 km (0.118 R)
• M21: 21,931,646 km (0.087 R)
• M22: 24,430,529 km (0.067 R)
• M23: 29,375,187 km (0.116 R)
• M24: 30,916,494 km (0.116 R)
• M25: 34,048,027 km (0.049 R)
• M26: 37,029,662 km (0.11 R)
• M27: 38,221,358 km (0.095 R)
• M28: 38,583,834 km (0.068 R)
• M29: 42,078,141 km (0.097 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: 193 - 12,931 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit