🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.4 AU - 0.66 AU

Year: 140 Days

Day: 19.3 Hours

Environment

Temp: 203 °C

Axial Tilt: 142.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 94,129,429 km

• M1: 463,155 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.12 AU - 1.84 AU

Year: 651 Days

Day: 40.5 Hours

Environment

Temp: -40 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,129,429 km

• M1: 517,758 km (0.067 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.74 AU - 2.08 AU

Year: 955 Days

Day: 32 Hours

Environment

Temp: -64 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,129,429 km

• M1: 93,798 km (0.038 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.16 AU - 4.3 AU

Year: 3146 Days

Day: 21.5 Hours

Environment

Temp: -117 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,129,429 km

• M1: 685,457 km (0.053 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.06 AU - 5.34 AU

Year: 3685 Days

Day: 18.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.7

Radius: 9.7

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.8 AU - 5.26 AU

Year: 4080 Days

Day: 8.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 94,129,429 km

• M1: 123,119 km (0.108 R)
• M2: 569,818 km (0.045 R)
• M3: 878,439 km (0.071 R)
• M4: 1,233,434 km (0.074 R)
• M5: 2,126,534 km (0.06 R)
• M6: 3,586,759 km (0.114 R)
• M7: 4,158,522 km (0.054 R)
• M8: 6,304,653 km (0.026 R)
• M9: 6,744,620 km (0.077 R)
• M10: 8,523,638 km (0.098 R)
• M11: 11,913,077 km (0.042 R)
• M12: 12,489,029 km (0.112 R)
• M13: 13,133,795 km (0.072 R)
• M14: 14,925,080 km (0.115 R)
• M15: 15,822,069 km (0.11 R)
• M16: 19,639,657 km (0.064 R)
• M17: 20,853,644 km (0.059 R)
• M18: 23,134,264 km (0.092 R)
• M19: 25,734,424 km (0.088 R)
• M20: 26,373,357 km (0.119 R)
• M21: 27,683,086 km (0.117 R)
• M22: 28,101,062 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.1

Radius: 4.9

Gravity: 14.25 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 15.51 AU - 24.15 AU

Year: 31936 Days

Day: 18.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 94,129,429 km

• M1: 61,186 km (0.056 R)
• M2: 328,068 km (0.096 R)
• M3: 525,687 km (0.103 R)
• M4: 1,171,950 km (0.106 R)
• M5: 3,271,556 km (0.066 R)
• M6: 3,685,942 km (0.089 R)
• M7: 3,842,122 km (0.112 R)
• M8: 4,269,224 km (0.114 R)
• M9: 5,024,992 km (0.068 R)
• M10: 6,891,226 km (0.054 R)
• M11: 7,874,982 km (0.029 R)
• M12: 11,715,458 km (0.1 R)
• M13: 15,403,195 km (0.06 R)
• M14: 16,307,065 km (0.101 R)
• M15: 16,986,389 km (0.055 R)
• M16: 18,219,973 km (0.06 R)
• M17: 20,667,395 km (0.111 R)
• M18: 26,202,815 km (0.067 R)
• M19: 27,133,613 km (0.112 R)
• M20: 32,384,199 km (0.111 R)
• M21: 48,557,973 km (0.106 R)
• M22: 56,030,237 km (0.059 R)
• M23: 56,797,674 km (0.084 R)
• M24: 77,625,138 km (0.051 R)
• M25: 80,266,289 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.3

Radius: 4.4

Gravity: 26 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 18.43 AU - 21.37 AU

Year: 32105 Days

Day: 23.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 94,129,429 km

• M1: 54,753 km (0.084 R)
• M2: 372,200 km (0.096 R)
• M3: 525,089 km (0.061 R)
• M4: 1,214,286 km (0.083 R)
• M5: 1,489,696 km (0.084 R)
• M6: 2,142,092 km (0.118 R)
• M7: 2,445,327 km (0.104 R)
• M8: 3,817,887 km (0.108 R)
• M9: 4,554,507 km (0.053 R)
• M10: 5,298,757 km (0.081 R)
• M11: 5,635,202 km (0.118 R)
• M12: 6,876,266 km (0.106 R)
• M13: 8,857,989 km (0.108 R)
• M14: 9,697,682 km (0.096 R)
• M15: 11,603,708 km (0.089 R)
• M16: 13,902,280 km (0.089 R)
• M17: 16,575,743 km (0.119 R)
• M18: 17,022,293 km (0.06 R)
• M19: 24,028,709 km (0.094 R)
• M20: 26,490,791 km (0.102 R)
• M21: 28,096,275 km (0.072 R)
• M22: 31,093,618 km (0.09 R)
• M23: 32,046,557 km (0.112 R)
• M24: 38,953,939 km (0.089 R)
• M25: 43,506,950 km (0.102 R)
• M26: 51,545,891 km (0.084 R)
• M27: 57,421,497 km (0.12 R)
• M28: 58,647,751 km (0.077 R)
• M29: 63,510,579 km (0.08 R)
• M30: 63,727,945 km (0.12 R)
• M31: 67,272,666 km (0.073 R)
• M32: 70,946,641 km (0.03 R)
• M33: 73,788,402 km (0.073 R)
• M34: 74,028,506 km (0.065 R)
• M35: 74,994,460 km (0.098 R)
• M36: 76,704,962 km (0.115 R)
• M37: 80,457,624 km (0.107 R)
• M38: 83,546,372 km (0.118 R)
• M39: 88,868,465 km (0.056 R)

Kuiper Belt

Range: 30.3 - 47.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 19,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit