🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.72 AU - 1.02 AU

Year: 311 Days

Day: 19.8 Hours

Environment

Temp: 26 °C

Axial Tilt: 14.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.19 AU - 1.37 AU

Year: 554 Days

Day: 18.4 Hours

Environment

Temp: -27 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 23,509,246 km

• M1: 253,120 km (0.113 R)
• M2: 370,105 km (0.061 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.32 AU - 1.48 AU

Year: 634 Days

Day: 44.8 Hours

Environment

Temp: -51 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.45 AU - 1.65 AU

Year: 739 Days

Day: 12 Hours

Environment

Temp: -55 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,509,246 km

• M1: 316,250 km (0.084 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.17 AU - 2.55 AU

Year: 1388 Days

Day: 38.4 Hours

Environment

Temp: -96 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,509,246 km

• M1: 458,517 km (0.054 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.5 AU - 3.88 AU

Year: 2182 Days

Day: 45.6 Hours

Environment

Temp: -126 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.63 AU - 4.23 AU

Year: 2432 Days

Day: 15.1 Hours

Environment

Temp: -130 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.8

Radius: 8.1

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.65 AU - 4.57 AU

Year: 3190 Days

Day: 11.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,509,246 km

• M1: 100,679 km (0.115 R)
• M2: 1,564,046 km (0.102 R)
• M3: 2,357,214 km (0.108 R)
• M4: 3,363,259 km (0.04 R)
• M5: 5,145,269 km (0.082 R)
• M6: 5,471,841 km (0.115 R)
• M7: 7,290,054 km (0.045 R)
• M8: 8,043,728 km (0.09 R)
• M9: 9,254,423 km (0.034 R)
• M10: 10,409,768 km (0.037 R)
• M11: 10,791,990 km (0.111 R)
• M12: 13,244,797 km (0.112 R)
• M13: 14,068,633 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.6

Radius: 10.9

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.11 AU - 4.75 AU

Year: 3570 Days

Day: 9.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,509,246 km

• M1: 135,536 km (0.078 R)
• M2: 483,800 km (0.082 R)
• M3: 845,228 km (0.084 R)
• M4: 1,219,971 km (0.087 R)
• M5: 1,561,652 km (0.047 R)
• M6: 2,296,477 km (0.067 R)
• M7: 2,661,346 km (0.103 R)
• M8: 3,265,273 km (0.079 R)
• M9: 4,196,968 km (0.092 R)
• M10: 4,971,436 km (0.103 R)
• M11: 7,089,742 km (0.098 R)
• M12: 7,997,053 km (0.101 R)
• M13: 8,348,459 km (0.102 R)
• M14: 9,571,721 km (0.106 R)
• M15: 11,625,400 km (0.05 R)
• M16: 12,077,186 km (0.057 R)
• M17: 13,911,405 km (0.075 R)
• M18: 14,468,059 km (0.077 R)
• M19: 15,330,640 km (0.109 R)
• M20: 17,158,277 km (0.048 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.8

Radius: 10.9

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.06 AU - 6.46 AU

Year: 4619 Days

Day: 11.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 23,509,246 km

• M1: 135,984 km (0.087 R)
• M2: 600,785 km (0.099 R)
• M3: 1,459,028 km (0.116 R)
• M4: 2,209,261 km (0.115 R)
• M5: 2,919,253 km (0.1 R)
• M6: 3,556,540 km (0.102 R)
• M7: 4,066,968 km (0.087 R)
• M8: 4,487,039 km (0.098 R)
• M9: 5,159,032 km (0.091 R)
• M10: 5,519,563 km (0.12 R)
• M11: 6,008,000 km (0.079 R)
• M12: 7,615,429 km (0.1 R)
• M13: 8,607,712 km (0.099 R)
• M14: 9,265,793 km (0.038 R)
• M15: 9,684,069 km (0.086 R)
• M16: 12,419,765 km (0.114 R)
• M17: 13,117,639 km (0.042 R)
• M18: 14,795,977 km (0.063 R)
• M19: 15,474,254 km (0.066 R)
• M20: 20,429,833 km (0.059 R)
• M21: 20,879,824 km (0.11 R)
• M22: 21,534,165 km (0.078 R)
• M23: 22,067,481 km (0.053 R)
• M24: 22,609,474 km (0.073 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 10,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit