🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.57 AU - 0.81 AU

Year: 202 Days

Day: 16.7 Hours

Environment

Temp: 219 °C

Axial Tilt: 21 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.13 AU - 1.17 AU

Year: 435 Days

Day: 31.6 Hours

Environment

Temp: 42 °C

Axial Tilt: 24.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.57 AU - 1.87 AU

Year: 797 Days

Day: 30.3 Hours

Environment

Temp: -29 °C

Axial Tilt: 48.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.88 AU - 3.02 AU

Year: 1354 Days

Day: 37.7 Hours

Environment

Temp: -81 °C

Axial Tilt: 48.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 89,445,882 km

• M1: 105,766 km (0.071 R)
• M2: 771,027 km (0.106 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.63 AU - 5.17 AU

Year: 3259 Days

Day: 32.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,445,882 km

• M1: 101,577 km (0.089 R)

Asteroid Belt

Center: 6.05 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.7

Radius: 12.1

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 7.57 AU - 7.81 AU

Year: 7530 Days

Day: 8.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,445,882 km

• M1: 151,393 km (0.103 R)
• M2: 694,733 km (0.07 R)
• M3: 1,158,187 km (0.106 R)
• M4: 1,779,766 km (0.063 R)
• M5: 2,835,029 km (0.093 R)
• M6: 3,780,637 km (0.08 R)
• M7: 4,849,664 km (0.116 R)
• M8: 6,139,945 km (0.116 R)
• M9: 7,075,830 km (0.099 R)
• M10: 9,035,711 km (0.03 R)
• M11: 9,830,974 km (0.064 R)
• M12: 10,330,032 km (0.092 R)
• M13: 11,698,404 km (0.032 R)
• M14: 16,296,145 km (0.096 R)
• M15: 16,819,438 km (0.102 R)
• M16: 19,153,614 km (0.059 R)
• M17: 22,329,726 km (0.095 R)
• M18: 25,763,147 km (0.112 R)
• M19: 27,197,491 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.3

Radius: 14.6

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 10.84 AU - 11.14 AU

Year: 12865 Days

Day: 6.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 89,445,882 km

• M1: 196,272 km (0.042 R)
• M2: 707,000 km (0.103 R)
• M3: 1,431,203 km (0.053 R)
• M4: 2,359,308 km (0.097 R)
• M5: 3,944,597 km (0.099 R)
• M6: 4,796,856 km (0.119 R)
• M7: 8,413,085 km (0.1 R)
• M8: 9,148,508 km (0.064 R)
• M9: 10,960,438 km (0.071 R)
• M10: 14,821,259 km (0.074 R)
• M11: 15,622,057 km (0.11 R)
• M12: 16,805,675 km (0.034 R)
• M13: 17,899,086 km (0.069 R)
• M14: 18,577,512 km (0.095 R)
• M15: 22,403,328 km (0.102 R)
• M16: 23,103,147 km (0.116 R)
• M17: 25,103,271 km (0.091 R)
• M18: 25,763,147 km (0.099 R)
• M19: 28,825,864 km (0.055 R)
• M20: 29,968,792 km (0.089 R)
• M21: 41,128,643 km (0.067 R)
• M22: 44,606,046 km (0.068 R)
• M23: 45,854,141 km (0.073 R)
• M24: 46,557,401 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.9

Radius: 3.2

Gravity: 56.24 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 17.27 AU - 19.47 AU

Year: 27801 Days

Day: 19.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 89,445,882 km

• M1: 39,943 km (0.053 R)
• M2: 168,746 km (0.12 R)
• M3: 448,794 km (0.112 R)
• M4: 798,853 km (0.117 R)
• M5: 1,722,470 km (0.111 R)
• M6: 2,066,246 km (0.096 R)
• M7: 2,477,939 km (0.119 R)
• M8: 4,073,550 km (0.098 R)
• M9: 4,176,473 km (0.048 R)
• M10: 5,262,105 km (0.115 R)
• M11: 5,425,316 km (0.109 R)
• M12: 5,979,128 km (0.047 R)
• M13: 8,351,002 km (0.083 R)
• M14: 9,087,173 km (0.085 R)
• M15: 10,493,991 km (0.096 R)
• M16: 13,350,264 km (0.114 R)
• M17: 16,337,135 km (0.112 R)
• M18: 17,847,475 km (0.094 R)
• M19: 25,627,013 km (0.096 R)
• M20: 27,658,702 km (0.099 R)
• M21: 28,400,707 km (0.094 R)
• M22: 31,234,839 km (0.035 R)
• M23: 34,963,416 km (0.118 R)
• M24: 41,335,537 km (0.113 R)
• M25: 53,220,639 km (0.067 R)
• M26: 53,791,804 km (0.085 R)
• M27: 58,306,967 km (0.054 R)
• M28: 58,711,180 km (0.081 R)
• M29: 63,707,899 km (0.12 R)
• M30: 69,886,440 km (0.095 R)
• M31: 77,179,486 km (0.092 R)
• M32: 79,140,565 km (0.069 R)
• M33: 79,884,515 km (0.09 R)
• M34: 83,673,979 km (0.104 R)
• M35: 84,445,904 km (0.091 R)
• M36: 87,846,263 km (0.065 R)

Kuiper Belt

Range: 31.1 - 61.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 16,974 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit