🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.8 AU - 0.84 AU

Year: 269 Days

Day: 15.6 Hours

Environment

Temp: 94 °C

Axial Tilt: 22.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.99 AU - 1.01 AU

Year: 362 Days

Day: 18.6 Hours

Environment

Temp: 27 °C

Axial Tilt: 26.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.02 AU - 1.26 AU

Year: 440 Days

Day: 47.9 Hours

Environment

Temp: 5 °C

Axial Tilt: 37 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 77,293,035 km

• M1: 75,697 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.2 AU - 2.88 AU

Year: 1464 Days

Day: 45 Hours

Environment

Temp: -77 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.46 AU - 5.48 AU

Year: 3418 Days

Day: 13.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.9

Radius: 8.1

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 9.32 AU - 11.14 AU

Year: 11833 Days

Day: 8.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,293,035 km

• M1: 100,679 km (0.069 R)
• M2: 797,805 km (0.078 R)
• M3: 2,173,657 km (0.051 R)
• M4: 2,632,923 km (0.089 R)
• M5: 2,951,716 km (0.061 R)
• M6: 5,046,385 km (0.063 R)
• M7: 5,747,101 km (0.048 R)
• M8: 7,259,237 km (0.094 R)
• M9: 8,107,157 km (0.117 R)
• M10: 13,177,328 km (0.09 R)
• M11: 19,078,964 km (0.112 R)
• M12: 23,804,013 km (0.099 R)
• M13: 26,532,828 km (0.109 R)
• M14: 33,052,902 km (0.104 R)
• M15: 34,080,190 km (0.062 R)
• M16: 37,167,441 km (0.083 R)
• M17: 39,283,952 km (0.027 R)
• M18: 40,049,744 km (0.079 R)
• M19: 41,611,097 km (0.044 R)
• M20: 43,212,542 km (0.097 R)
• M21: 45,831,701 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.5

Radius: 14.4

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 9.09 AU - 11.59 AU

Year: 12025 Days

Day: 12.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 77,293,035 km

• M1: 179,368 km (0.084 R)
• M2: 835,504 km (0.087 R)
• M3: 1,524,552 km (0.114 R)
• M4: 2,072,379 km (0.065 R)
• M5: 3,317,931 km (0.115 R)
• M6: 4,344,621 km (0.1 R)
• M7: 4,883,174 km (0.07 R)
• M8: 5,646,572 km (0.088 R)
• M9: 6,095,664 km (0.061 R)
• M10: 7,237,994 km (0.107 R)
• M11: 9,470,293 km (0.113 R)
• M12: 10,216,039 km (0.07 R)
• M13: 11,704,986 km (0.119 R)
• M14: 12,439,213 km (0.053 R)
• M15: 13,138,882 km (0.068 R)
• M16: 13,730,990 km (0.117 R)
• M17: 14,272,086 km (0.114 R)
• M18: 15,110,432 km (0.072 R)
• M19: 16,429,287 km (0.057 R)
• M20: 17,983,310 km (0.097 R)
• M21: 20,935,773 km (0.107 R)
• M22: 22,110,416 km (0.095 R)
• M23: 23,905,590 km (0.079 R)
• M24: 25,088,461 km (0.084 R)
• M25: 28,761,537 km (0.083 R)
• M26: 34,238,465 km (0.092 R)
• M27: 36,637,416 km (0.084 R)
• M28: 39,146,322 km (0.094 R)
• M29: 41,909,095 km (0.12 R)
• M30: 43,482,715 km (0.077 R)
• M31: 49,222,636 km (0.062 R)
• M32: 53,761,884 km (0.081 R)
• M33: 58,572,952 km (0.109 R)
• M34: 59,461,264 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873

Radius: 7.5

Gravity: 15.52 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 13.42 AU - 13.78 AU

Year: 18138 Days

Day: 23 Hours

Environment

Temp: -196 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 77,293,035 km

• M1: 93,199 km (0.063 R)
• M2: 338,540 km (0.08 R)
• M3: 729,589 km (0.11 R)
• M4: 984,354 km (0.066 R)
• M5: 1,529,937 km (0.12 R)
• M6: 2,670,621 km (0.111 R)
• M7: 3,755,505 km (0.053 R)
• M8: 4,229,880 km (0.075 R)
• M9: 6,019,519 km (0.068 R)
• M10: 6,404,135 km (0.119 R)
• M11: 6,669,522 km (0.101 R)
• M12: 9,065,033 km (0.042 R)
• M13: 9,456,680 km (0.114 R)
• M14: 9,859,547 km (0.092 R)
• M15: 11,981,293 km (0.107 R)
• M16: 16,273,107 km (0.077 R)
• M17: 16,768,425 km (0.098 R)
• M18: 19,213,603 km (0.074 R)
• M19: 28,193,514 km (0.096 R)
• M20: 32,272,599 km (0.066 R)
• M21: 33,054,248 km (0.038 R)
• M22: 39,323,895 km (0.079 R)
• M23: 44,876,369 km (0.089 R)
• M24: 57,504,973 km (0.09 R)
• M25: 59,232,978 km (0.032 R)
• M26: 67,544,486 km (0.088 R)
• M27: 69,683,287 km (0.066 R)
• M28: 75,455,072 km (0.119 R)

Kuiper Belt

Range: 30.3 - 48.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 12,716 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit