🌌 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: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.47 AU - 0.67 AU

Year: 151 Days

Day: 44.4 Hours

Environment

Temp: 257 °C

Axial Tilt: 11 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 38,728,789 km

• M1: 92,451 km (0.074 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.51 AU - 0.73 AU

Year: 172 Days

Day: 39.7 Hours

Environment

Temp: 165 °C

Axial Tilt: 48.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 38,728,789 km

• M1: 43,533 km (0.098 R)
• M2: 447,298 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.53 AU - 0.87 AU

Year: 206 Days

Day: 39.1 Hours

Environment

Temp: 187 °C

Axial Tilt: 7.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.61 AU - 0.85 AU

Year: 219 Days

Day: 27 Hours

Environment

Temp: 154 °C

Axial Tilt: 39.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.16 AU - 1.58 AU

Year: 564 Days

Day: 47.3 Hours

Environment

Temp: 12 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 38,728,789 km

• M1: 856,597 km (0.108 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.91 AU - 1.97 AU

Year: 950 Days

Day: 14.1 Hours

Environment

Temp: -53 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.37 AU - 3.55 AU

Year: 2262 Days

Day: 12.3 Hours

Environment

Temp: -97 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,728,789 km

• M1: 1,882,390 km (0.111 R)

Planet 8 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.55 AU - 4.11 AU

Year: 2634 Days

Day: 36.8 Hours

Environment

Temp: -101 °C

Axial Tilt: 47.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.81 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 15.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.3

Radius: 3.5

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 12.4 AU - 19.18 AU

Year: 22052 Days

Day: 24.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 38,728,789 km

• M1: 49,816 km (0.057 R)
• M2: 100,829 km (0.095 R)
• M3: 205,697 km (0.041 R)
• M4: 234,569 km (0.035 R)
• M5: 307,723 km (0.104 R)
• M6: 376,538 km (0.057 R)
• M7: 714,479 km (0.056 R)
• M8: 1,140,684 km (0.051 R)
• M9: 1,397,543 km (0.072 R)
• M10: 1,773,782 km (0.115 R)
• M11: 2,731,208 km (0.031 R)
• M12: 2,997,792 km (0.109 R)
• M13: 3,096,826 km (0.116 R)
• M14: 3,222,189 km (0.104 R)
• M15: 3,272,753 km (0.099 R)
• M16: 3,529,612 km (0.03 R)
• M17: 4,310,663 km (0.08 R)
• M18: 4,394,437 km (0.092 R)
• M19: 4,506,935 km (0.085 R)
• M20: 4,563,633 km (0.032 R)
• M21: 5,083,635 km (0.073 R)
• M22: 5,142,576 km (0.105 R)
• M23: 5,172,197 km (0.034 R)
• M24: 5,290,977 km (0.099 R)
• M25: 5,744,558 km (0.095 R)
• M26: 7,013,447 km (0.113 R)
• M27: 7,645,349 km (0.03 R)
• M28: 8,053,751 km (0.061 R)
• M29: 10,273,933 km (0.108 R)
• M30: 10,686,374 km (0.119 R)
• M31: 11,065,904 km (0.104 R)
• M32: 11,372,879 km (0.072 R)
• M33: 11,604,905 km (0.101 R)
• M34: 11,721,442 km (0.112 R)
• M35: 12,112,790 km (0.058 R)
• M36: 12,508,476 km (0.079 R)
• M37: 12,868,259 km (0.096 R)
• M38: 14,633,365 km (0.073 R)
• M39: 15,437,154 km (0.119 R)
• M40: 16,385,604 km (0.051 R)
• M41: 16,647,550 km (0.088 R)
• M42: 16,910,842 km (0.118 R)
• M43: 17,087,218 km (0.095 R)
• M44: 17,664,367 km (0.088 R)
• M45: 17,977,924 km (0.064 R)
• M46: 19,020,621 km (0.103 R)
• M47: 19,618,714 km (0.112 R)
• M48: 20,036,391 km (0.112 R)
• M49: 20,738,902 km (0.087 R)
• M50: 21,354,348 km (0.096 R)
• M51: 22,554,572 km (0.071 R)
• M52: 22,748,600 km (0.087 R)
• M53: 22,797,220 km (0.081 R)
• M54: 22,845,839 km (0.097 R)
• M55: 24,023,473 km (0.027 R)
• M56: 24,172,024 km (0.088 R)
• M57: 24,869,449 km (0.098 R)
• M58: 26,029,431 km (0.062 R)
• M59: 26,488,248 km (0.088 R)
• M60: 27,310,288 km (0.115 R)
• M61: 27,413,660 km (0.057 R)
• M62: 28,821,526 km (0.112 R)
• M63: 29,190,285 km (0.072 R)
• M64: 29,348,858 km (0.072 R)
• M65: 29,826,225 km (0.068 R)
• M66: 30,573,915 km (0.092 R)
• M67: 30,842,443 km (0.075 R)
• M68: 30,896,299 km (0.108 R)
• M69: 31,327,739 km (0.045 R)
• M70: 32,142,150 km (0.062 R)
• M71: 33,128,598 km (0.049 R)
• M72: 33,625,562 km (0.105 R)
• M73: 33,791,765 km (0.104 R)
• M74: 34,013,769 km (0.069 R)
• M75: 34,125,069 km (0.047 R)
• M76: 34,347,821 km (0.117 R)
• M77: 35,075,016 km (0.063 R)
• M78: 35,468,758 km (0.101 R)
• M79: 35,807,447 km (0.119 R)
• M80: 37,976,915 km (0.051 R)

Kuiper Belt

Range: 31.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 16,143 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit