🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.51 AU - 0.63 AU

Year: 156 Days

Day: 34.9 Hours

Environment

Temp: 204 °C

Axial Tilt: 8.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.01 AU - 1.55 AU

Year: 524 Days

Day: 41.1 Hours

Environment

Temp: 12 °C

Axial Tilt: 34.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.89 AU - 2.09 AU

Year: 1015 Days

Day: 36.3 Hours

Environment

Temp: -64 °C

Axial Tilt: 104.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.91 AU - 2.07 AU

Year: 1015 Days

Day: 27.8 Hours

Environment

Temp: -70 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.85 AU - 3.99 AU

Year: 2807 Days

Day: 38.3 Hours

Environment

Temp: -115 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,729,086 km

• M1: 62,233 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.7

Radius: 13.2

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 12.5 AU - 12.66 AU

Year: 16137 Days

Day: 5 Hours

Environment

Temp: -186 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,729,086 km

• M1: 164,408 km (0.108 R)
• M2: 607,218 km (0.059 R)
• M3: 1,210,396 km (0.04 R)
• M4: 2,852,233 km (0.11 R)
• M5: 3,414,272 km (0.085 R)
• M6: 3,933,676 km (0.047 R)
• M7: 4,411,940 km (0.109 R)
• M8: 5,098,595 km (0.107 R)
• M9: 5,558,758 km (0.108 R)
• M10: 6,360,901 km (0.113 R)
• M11: 6,980,087 km (0.116 R)
• M12: 8,101,622 km (0.08 R)
• M13: 9,287,933 km (0.115 R)
• M14: 10,929,770 km (0.108 R)
• M15: 14,430,360 km (0.096 R)
• M16: 17,089,762 km (0.077 R)
• M17: 17,722,411 km (0.108 R)
• M18: 21,033,161 km (0.096 R)
• M19: 21,668,354 km (0.085 R)
• M20: 23,553,586 km (0.082 R)
• M21: 24,736,008 km (0.039 R)
• M22: 26,478,374 km (0.059 R)
• M23: 27,540,669 km (0.078 R)
• M24: 29,075,543 km (0.092 R)
• M25: 29,637,133 km (0.106 R)
• M26: 33,774,412 km (0.047 R)
• M27: 35,023,704 km (0.073 R)
• M28: 38,415,985 km (0.085 R)
• M29: 40,469,665 km (0.081 R)
• M30: 47,068,876 km (0.104 R)
• M31: 49,101,163 km (0.111 R)
• M32: 52,175,698 km (0.103 R)
• M33: 52,672,662 km (0.09 R)
• M34: 54,862,626 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.8

Radius: 6.1

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 12.93 AU - 15.39 AU

Year: 19270 Days

Day: 23.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 56,729,086 km

• M1: 76,594 km (0.06 R)
• M2: 312,360 km (0.075 R)
• M3: 585,676 km (0.083 R)
• M4: 839,693 km (0.095 R)
• M5: 1,203,365 km (0.065 R)
• M6: 1,443,320 km (0.111 R)
• M7: 2,382,047 km (0.094 R)
• M8: 2,785,662 km (0.058 R)
• M9: 3,783,929 km (0.116 R)
• M10: 4,707,097 km (0.096 R)
• M11: 5,238,319 km (0.048 R)
• M12: 5,518,665 km (0.107 R)
• M13: 6,988,913 km (0.103 R)
• M14: 7,372,033 km (0.101 R)
• M15: 7,904,751 km (0.115 R)
• M16: 9,865,980 km (0.082 R)
• M17: 10,567,594 km (0.1 R)
• M18: 11,244,374 km (0.113 R)
• M19: 11,476,251 km (0.091 R)
• M20: 11,829,900 km (0.057 R)
• M21: 12,251,916 km (0.111 R)
• M22: 16,142,358 km (0.079 R)
• M23: 18,606,086 km (0.106 R)
• M24: 19,176,652 km (0.111 R)
• M25: 20,784,081 km (0.115 R)
• M26: 24,072,242 km (0.089 R)
• M27: 27,796,481 km (0.117 R)
• M28: 29,409,894 km (0.095 R)
• M29: 31,312,630 km (0.119 R)
• M30: 31,887,534 km (0.117 R)
• M31: 33,534,607 km (0.039 R)
• M32: 35,984,870 km (0.078 R)
• M33: 37,640,021 km (0.077 R)
• M34: 40,555,534 km (0.093 R)
• M35: 40,964,385 km (0.105 R)
• M36: 42,207,543 km (0.116 R)
• M37: 46,533,016 km (0.12 R)
• M38: 47,281,454 km (0.046 R)
• M39: 50,199,061 km (0.084 R)
• M40: 52,262,914 km (0.117 R)

Kuiper Belt

Range: 30.3 - 52.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 19,415 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit