🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.44 AU - 0.68 AU

Year: 155 Days

Day: 26.3 Hours

Environment

Temp: 188 °C

Axial Tilt: 34.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 88,807,973 km

• M1: 25,282 km (0.078 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.97 AU - 1.04 AU

Year: 369 Days

Day: 32.5 Hours

Environment

Temp: 32 °C

Axial Tilt: 4.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 88,807,973 km

• M1: 95,144 km (0.093 R)
• M2: 510,877 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.79 AU - 1.21 AU

Year: 369 Days

Day: 26.3 Hours

Environment

Temp: 34 °C

Axial Tilt: 7.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.01 AU - 1.29 AU

Year: 455 Days

Day: 18.1 Hours

Environment

Temp: 2 °C

Axial Tilt: 47.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.52 AU - 2.82 AU

Year: 1610 Days

Day: 12.2 Hours

Environment

Temp: -102 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.3

Radius: 10.1

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 8.35 AU - 8.45 AU

Year: 8982 Days

Day: 5.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 151.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,807,973 km

• M1: 125,662 km (0.097 R)
• M2: 464,651 km (0.106 R)
• M3: 863,030 km (0.093 R)
• M4: 1,629,570 km (0.049 R)
• M5: 2,035,129 km (0.032 R)
• M6: 2,933,913 km (0.107 R)
• M7: 5,001,057 km (0.073 R)
• M8: 5,741,566 km (0.074 R)
• M9: 9,320,845 km (0.085 R)
• M10: 12,002,985 km (0.104 R)
• M11: 12,839,836 km (0.091 R)
• M12: 13,940,128 km (0.105 R)
• M13: 15,342,010 km (0.089 R)
• M14: 16,077,134 km (0.043 R)
• M15: 16,580,231 km (0.034 R)
• M16: 17,883,827 km (0.1 R)
• M17: 19,395,364 km (0.057 R)
• M18: 26,211,641 km (0.093 R)
• M19: 31,646,981 km (0.094 R)
• M20: 32,238,640 km (0.049 R)
• M21: 34,264,196 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 913.1

Radius: 3.7

Gravity: 66.7 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 14.23 AU - 16.15 AU

Year: 21843 Days

Day: 18.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 88,807,973 km

• M1: 46,076 km (0.108 R)
• M2: 174,132 km (0.119 R)
• M3: 430,393 km (0.081 R)
• M4: 563,685 km (0.083 R)
• M5: 810,671 km (0.09 R)
• M6: 1,483,412 km (0.077 R)
• M7: 1,932,505 km (0.111 R)
• M8: 3,009,460 km (0.107 R)
• M9: 4,187,244 km (0.069 R)
• M10: 4,326,819 km (0.108 R)
• M11: 6,163,582 km (0.097 R)
• M12: 6,298,818 km (0.117 R)
• M13: 9,801,204 km (0.114 R)
• M14: 11,074,880 km (0.118 R)
• M15: 12,383,263 km (0.097 R)
• M16: 12,526,727 km (0.07 R)
• M17: 13,410,851 km (0.067 R)
• M18: 15,302,366 km (0.075 R)
• M19: 16,657,723 km (0.053 R)
• M20: 16,920,566 km (0.078 R)
• M21: 17,907,613 km (0.101 R)
• M22: 22,666,172 km (0.113 R)
• M23: 23,097,014 km (0.114 R)
• M24: 24,648,044 km (0.087 R)
• M25: 28,078,922 km (0.103 R)
• M26: 29,078,535 km (0.116 R)
• M27: 29,205,095 km (0.104 R)
• M28: 39,164,423 km (0.072 R)
• M29: 40,885,397 km (0.065 R)
• M30: 44,645,390 km (0.11 R)
• M31: 51,721,669 km (0.118 R)
• M32: 53,032,296 km (0.078 R)
• M33: 62,409,688 km (0.055 R)
• M34: 69,615,668 km (0.089 R)
• M35: 71,672,938 km (0.113 R)
• M36: 74,241,833 km (0.103 R)
• M37: 75,908,204 km (0.079 R)
• M38: 77,599,407 km (0.06 R)
• M39: 77,842,953 km (0.099 R)
• M40: 84,100,632 km (0.078 R)
• M41: 86,171,665 km (0.087 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 16,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit