🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.84 AU - 0.9 AU

Year: 292 Days

Day: 19.7 Hours

Environment

Temp: 130 °C

Axial Tilt: 41.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 32,448,081 km

• M1: 76,445 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.92 AU - 0.96 AU

Year: 328 Days

Day: 37.3 Hours

Environment

Temp: 132 °C

Axial Tilt: 27.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.27 AU - 2.09 AU

Year: 784 Days

Day: 46.8 Hours

Environment

Temp: -35 °C

Axial Tilt: 30 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.33 AU - 3.79 AU

Year: 2417 Days

Day: 34.7 Hours

Environment

Temp: -119 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,448,081 km

• M1: 45,627 km (0.118 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.6 AU - 5.56 AU

Year: 3528 Days

Day: 41.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,448,081 km

• M1: 275,410 km (0.111 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.87 AU - 4.93 AU

Year: 3904 Days

Day: 18.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,448,081 km

• M1: 835,205 km (0.073 R)

Asteroid Belt

Center: 5.37 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.7

Radius: 14.1

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.31 AU - 6.35 AU

Year: 5066 Days

Day: 10.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 112.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,448,081 km

• M1: 368,908 km (0.088 R)
• M2: 793,467 km (0.112 R)
• M3: 1,073,814 km (0.064 R)
• M4: 1,304,493 km (0.092 R)
• M5: 1,545,346 km (0.06 R)
• M6: 1,808,189 km (0.096 R)
• M7: 2,441,437 km (0.062 R)
• M8: 2,875,121 km (0.093 R)
• M9: 3,002,429 km (0.078 R)
• M10: 3,333,489 km (0.119 R)
• M11: 3,458,553 km (0.087 R)
• M12: 3,899,119 km (0.118 R)
• M13: 4,050,063 km (0.087 R)
• M14: 4,348,212 km (0.117 R)
• M15: 4,436,175 km (0.1 R)
• M16: 5,622,337 km (0.032 R)
• M17: 6,020,716 km (0.087 R)
• M18: 6,295,078 km (0.082 R)
• M19: 6,428,370 km (0.118 R)
• M20: 6,810,892 km (0.102 R)
• M21: 7,200,894 km (0.056 R)
• M22: 7,562,920 km (0.104 R)
• M23: 7,978,952 km (0.117 R)
• M24: 8,074,994 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.7

Radius: 12.7

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 8.94 AU - 14.44 AU

Year: 14384 Days

Day: 13.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 32,448,081 km

• M1: 435,928 km (0.092 R)
• M2: 986,598 km (0.104 R)
• M3: 1,073,664 km (0.086 R)
• M4: 1,272,330 km (0.105 R)
• M5: 2,282,864 km (0.087 R)
• M6: 2,644,442 km (0.047 R)
• M7: 2,853,280 km (0.119 R)
• M8: 2,938,401 km (0.114 R)
• M9: 3,111,337 km (0.079 R)
• M10: 3,489,969 km (0.061 R)
• M11: 3,742,939 km (0.066 R)
• M12: 3,978,256 km (0.106 R)
• M13: 4,121,721 km (0.056 R)
• M14: 4,242,745 km (0.103 R)
• M15: 5,122,680 km (0.066 R)
• M16: 5,252,980 km (0.11 R)
• M17: 5,596,905 km (0.078 R)
• M18: 5,731,244 km (0.045 R)
• M19: 6,334,871 km (0.05 R)
• M20: 6,701,237 km (0.082 R)
• M21: 6,987,866 km (0.085 R)
• M22: 7,366,349 km (0.115 R)
• M23: 7,901,610 km (0.047 R)
• M24: 8,174,028 km (0.111 R)
• M25: 10,068,236 km (0.106 R)
• M26: 10,166,372 km (0.116 R)
• M27: 10,896,111 km (0.091 R)
• M28: 10,996,939 km (0.093 R)
• M29: 11,131,877 km (0.093 R)
• M30: 11,267,412 km (0.114 R)
• M31: 11,953,019 km (0.03 R)
• M32: 12,300,984 km (0.081 R)
• M33: 12,476,163 km (0.025 R)
• M34: 12,616,935 km (0.088 R)
• M35: 13,328,721 km (0.06 R)
• M36: 13,544,890 km (0.1 R)
• M37: 13,798,459 km (0.114 R)
• M38: 14,053,673 km (0.1 R)
• M39: 14,163,478 km (0.089 R)
• M40: 14,605,839 km (0.116 R)
• M41: 14,717,139 km (0.107 R)
• M42: 15,127,486 km (0.098 R)
• M43: 15,617,569 km (0.072 R)
• M44: 15,807,409 km (0.059 R)
• M45: 16,074,441 km (0.085 R)
• M46: 16,227,629 km (0.106 R)
• M47: 17,392,847 km (0.08 R)
• M48: 17,629,062 km (0.106 R)
• M49: 18,064,990 km (0.107 R)
• M50: 18,144,726 km (0.073 R)
• M51: 18,264,404 km (0.108 R)
• M52: 18,625,085 km (0.08 R)
• M53: 19,680,198 km (0.086 R)
• M54: 20,049,855 km (0.111 R)
• M55: 20,963,449 km (0.114 R)
• M56: 21,089,111 km (0.1 R)
• M57: 22,103,085 km (0.115 R)
• M58: 22,401,832 km (0.111 R)
• M59: 22,530,337 km (0.102 R)
• M60: 24,574,592 km (0.087 R)
• M61: 25,239,554 km (0.112 R)
• M62: 26,768,445 km (0.056 R)
• M63: 28,281,029 km (0.112 R)
• M64: 28,651,882 km (0.091 R)
• M65: 28,977,706 km (0.06 R)
• M66: 29,117,730 km (0.115 R)
• M67: 29,679,918 km (0.061 R)
• M68: 30,104,028 km (0.06 R)
• M69: 30,862,938 km (0.114 R)
• M70: 31,196,990 km (0.109 R)
• M71: 31,868,535 km (0.114 R)
• M72: 32,061,367 km (0.087 R)

Kuiper Belt

Range: 30.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 17,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit