🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.22 AU - 1.38 AU

Year: 550 Days

Day: 35.5 Hours

Environment

Temp: -9 °C

Axial Tilt: 49.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 75,554,871 km

• M1: 99,034 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.27 AU - 1.35 AU

Year: 556 Days

Day: 12.3 Hours

Environment

Temp: -34 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,554,871 km

• M1: 470,186 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.3 AU - 1.44 AU

Year: 595 Days

Day: 21.4 Hours

Environment

Temp: -34 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.31 AU - 3.07 AU

Year: 1636 Days

Day: 35.8 Hours

Environment

Temp: -96 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.6 AU - 3.38 AU

Year: 1917 Days

Day: 43.6 Hours

Environment

Temp: -100 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.63 AU - 3.49 AU

Year: 1985 Days

Day: 39.7 Hours

Environment

Temp: -110 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.49 AU - 3.75 AU

Year: 2554 Days

Day: 37.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 13.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.1

Radius: 5.9

Gravity: 24.36 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 12.29 AU - 14.11 AU

Year: 17785 Days

Day: 20 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 75,554,871 km

• M1: 85,720 km (0.112 R)
• M2: 255,663 km (0.105 R)
• M3: 525,837 km (0.057 R)
• M4: 1,127,669 km (0.106 R)
• M5: 1,210,546 km (0.04 R)
• M6: 1,977,085 km (0.094 R)
• M7: 2,043,806 km (0.06 R)
• M8: 2,568,595 km (0.092 R)
• M9: 2,715,201 km (0.114 R)
• M10: 3,329,450 km (0.073 R)
• M11: 3,369,243 km (0.104 R)
• M12: 3,409,186 km (0.106 R)
• M13: 3,693,272 km (0.095 R)
• M14: 3,900,914 km (0.069 R)
• M15: 4,414,633 km (0.059 R)
• M16: 4,634,991 km (0.079 R)
• M17: 5,364,131 km (0.067 R)
• M18: 5,457,779 km (0.088 R)
• M19: 7,028,258 km (0.062 R)
• M20: 7,233,805 km (0.116 R)
• M21: 7,441,297 km (0.115 R)
• M22: 7,545,866 km (0.113 R)
• M23: 8,399,322 km (0.073 R)
• M24: 9,059,348 km (0.06 R)
• M25: 10,428,617 km (0.073 R)
• M26: 10,487,110 km (0.095 R)
• M27: 11,497,344 km (0.088 R)
• M28: 11,861,316 km (0.096 R)
• M29: 11,922,352 km (0.096 R)
• M30: 14,317,414 km (0.096 R)
• M31: 15,369,087 km (0.105 R)
• M32: 15,769,860 km (0.087 R)
• M33: 16,581,578 km (0.078 R)
• M34: 16,855,192 km (0.111 R)
• M35: 16,992,523 km (0.058 R)
• M36: 17,406,909 km (0.078 R)
• M37: 18,034,622 km (0.074 R)
• M38: 18,598,905 km (0.062 R)
• M39: 18,811,932 km (0.103 R)
• M40: 19,600,163 km (0.08 R)
• M41: 19,672,270 km (0.081 R)
• M42: 20,253,009 km (0.042 R)
• M43: 20,839,283 km (0.083 R)
• M44: 21,505,592 km (0.116 R)
• M45: 22,028,586 km (0.101 R)
• M46: 22,480,222 km (0.092 R)
• M47: 28,051,246 km (0.085 R)
• M48: 29,445,199 km (0.084 R)
• M49: 29,693,532 km (0.106 R)
• M50: 31,113,814 km (0.109 R)
• M51: 31,198,038 km (0.074 R)
• M52: 32,727,227 km (0.027 R)
• M53: 33,933,435 km (0.061 R)
• M54: 37,638,076 km (0.079 R)
• M55: 37,817,743 km (0.076 R)
• M56: 39,446,715 km (0.113 R)
• M57: 41,654,330 km (0.088 R)
• M58: 41,840,131 km (0.087 R)
• M59: 42,119,280 km (0.075 R)
• M60: 43,524,304 km (0.094 R)
• M61: 43,712,797 km (0.063 R)
• M62: 44,185,377 km (0.084 R)
• M63: 45,230,617 km (0.098 R)
• M64: 46,476,618 km (0.051 R)
• M65: 48,512,944 km (0.03 R)
• M66: 49,394,524 km (0.066 R)
• M67: 51,173,542 km (0.074 R)
• M68: 51,471,990 km (0.089 R)
• M69: 51,671,404 km (0.109 R)
• M70: 52,070,830 km (0.116 R)
• M71: 52,270,992 km (0.054 R)
• M72: 52,672,064 km (0.103 R)
• M73: 52,973,354 km (0.087 R)
• M74: 53,376,221 km (0.114 R)
• M75: 54,184,798 km (0.095 R)
• M76: 54,590,657 km (0.113 R)
• M77: 55,814,218 km (0.107 R)
• M78: 56,429,364 km (0.107 R)
• M79: 57,666,389 km (0.078 R)
• M80: 59,643,325 km (0.071 R)
• M81: 60,062,348 km (0.117 R)
• M82: 60,377,252 km (0.067 R)
• M83: 60,692,754 km (0.055 R)
• M84: 61,536,635 km (0.056 R)
• M85: 62,384,406 km (0.11 R)
• M86: 64,198,580 km (0.092 R)
• M87: 66,680,708 km (0.077 R)
• M88: 66,789,316 km (0.086 R)
• M89: 67,660,574 km (0.108 R)
• M90: 67,769,631 km (0.094 R)
• M91: 68,425,916 km (0.114 R)
• M92: 70,628,296 km (0.106 R)
• M93: 71,849,464 km (0.11 R)
• M94: 73,413,958 km (0.097 R)
• M95: 74,200,245 km (0.096 R)
• M96: 75,441,608 km (0.106 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 14,983 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit