🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.53 AU - 0.85 AU

Year: 201 Days

Day: 33.4 Hours

Environment

Temp: 145 °C

Axial Tilt: 12.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 30,116,429 km

• M1: 339,587 km (0.062 R)
• M2: 488,736 km (0.03 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.75 AU - 0.79 AU

Year: 237 Days

Day: 45.4 Hours

Environment

Temp: 158 °C

Axial Tilt: 5.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 30,116,429 km

• M1: 131,347 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.86 AU - 1.08 AU

Year: 336 Days

Day: 28.9 Hours

Environment

Temp: 173 °C

Axial Tilt: 31 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 30,116,429 km

• M1: 160,519 km (0.119 R)
• M2: 172,038 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.13 AU - 1.21 AU

Year: 445 Days

Day: 36.8 Hours

Environment

Temp: 17 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.19 AU - 2.31 AU

Year: 1186 Days

Day: 13.6 Hours

Environment

Temp: -64 °C

Axial Tilt: 19.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,116,429 km

• M1: 1,545,795 km (0.114 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.87 AU - 3.51 AU

Year: 2002 Days

Day: 23.5 Hours

Environment

Temp: -106 °C

Axial Tilt: 175.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.8

Radius: 14.1

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.28 AU - 7.12 AU

Year: 4783 Days

Day: 14.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 30,116,429 km

• M1: 176,376 km (0.058 R)
• M2: 349,909 km (0.089 R)
• M3: 437,873 km (0.037 R)
• M4: 752,328 km (0.094 R)
• M5: 865,424 km (0.109 R)
• M6: 1,349,373 km (0.118 R)
• M7: 1,507,049 km (0.11 R)
• M8: 1,721,871 km (0.092 R)
• M9: 2,036,476 km (0.088 R)
• M10: 2,721,335 km (0.074 R)
• M11: 2,862,555 km (0.1 R)
• M12: 3,026,963 km (0.103 R)
• M13: 3,194,663 km (0.118 R)
• M14: 3,301,176 km (0.117 R)
• M15: 3,605,608 km (0.12 R)
• M16: 4,478,063 km (0.11 R)
• M17: 6,248,703 km (0.08 R)
• M18: 7,291,550 km (0.115 R)
• M19: 7,746,926 km (0.119 R)
• M20: 8,065,420 km (0.066 R)
• M21: 8,329,310 km (0.09 R)
• M22: 8,417,872 km (0.108 R)
• M23: 8,625,813 km (0.062 R)
• M24: 8,715,422 km (0.114 R)
• M25: 9,077,000 km (0.08 R)
• M26: 9,382,180 km (0.11 R)
• M27: 10,286,350 km (0.079 R)
• M28: 10,445,073 km (0.07 R)
• M29: 10,668,722 km (0.085 R)
• M30: 11,185,882 km (0.069 R)
• M31: 11,579,025 km (0.096 R)
• M32: 11,910,234 km (0.102 R)
• M33: 13,231,483 km (0.111 R)
• M34: 13,717,227 km (0.111 R)
• M35: 14,067,735 km (0.111 R)
• M36: 14,492,294 km (0.055 R)
• M37: 14,634,711 km (0.103 R)
• M38: 14,741,823 km (0.114 R)
• M39: 14,849,234 km (0.06 R)
• M40: 14,956,945 km (0.06 R)
• M41: 15,937,708 km (0.059 R)
• M42: 16,047,962 km (0.074 R)
• M43: 16,417,469 km (0.117 R)
• M44: 16,603,269 km (0.066 R)
• M45: 17,014,364 km (0.055 R)
• M46: 17,770,581 km (0.103 R)
• M47: 18,267,994 km (0.118 R)
• M48: 18,615,061 km (0.101 R)
• M49: 18,808,791 km (0.079 R)
• M50: 18,964,223 km (0.115 R)
• M51: 19,120,253 km (0.112 R)
• M52: 19,708,771 km (0.112 R)
• M53: 19,985,378 km (0.105 R)
• M54: 21,794,764 km (0.076 R)
• M55: 22,203,914 km (0.112 R)
• M56: 22,574,468 km (0.083 R)
• M57: 22,822,502 km (0.11 R)
• M58: 23,656,061 km (0.11 R)
• M59: 24,034,544 km (0.113 R)
• M60: 24,712,072 km (0.113 R)
• M61: 25,310,165 km (0.11 R)
• M62: 25,611,155 km (0.087 R)
• M63: 25,869,960 km (0.102 R)
• M64: 26,346,579 km (0.075 R)
• M65: 27,838,518 km (0.091 R)
• M66: 28,639,465 km (0.107 R)
• M67: 29,493,220 km (0.078 R)
• M68: 30,264,098 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.6

Radius: 10.8

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.88 AU - 9.92 AU

Year: 10129 Days

Day: 5.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 30,116,429 km

• M1: 139,276 km (0.077 R)
• M2: 322,234 km (0.067 R)
• M3: 439,818 km (0.111 R)
• M4: 619,784 km (0.116 R)
• M5: 1,082,490 km (0.109 R)
• M6: 1,154,447 km (0.062 R)
• M7: 1,243,158 km (0.097 R)
• M8: 1,539,661 km (0.082 R)
• M9: 1,621,491 km (0.091 R)
• M10: 1,893,610 km (0.051 R)
• M11: 2,053,231 km (0.07 R)
• M12: 2,143,737 km (0.045 R)
• M13: 2,217,340 km (0.114 R)
• M14: 2,404,935 km (0.084 R)
• M15: 2,500,678 km (0.063 R)
• M16: 2,636,962 km (0.042 R)
• M17: 3,144,098 km (0.081 R)
• M18: 3,506,424 km (0.1 R)
• M19: 4,317,395 km (0.088 R)
• M20: 4,434,530 km (0.057 R)
• M21: 4,720,112 km (0.056 R)
• M22: 4,816,603 km (0.048 R)
• M23: 4,889,457 km (0.081 R)
• M24: 5,384,476 km (0.055 R)
• M25: 5,587,181 km (0.108 R)
• M26: 5,714,938 km (0.04 R)
• M27: 5,921,682 km (0.069 R)
• M28: 6,395,758 km (0.112 R)
• M29: 6,556,575 km (0.072 R)
• M30: 6,637,508 km (0.108 R)
• M31: 6,745,817 km (0.092 R)
• M32: 7,185,335 km (0.12 R)
• M33: 7,268,811 km (0.096 R)
• M34: 7,861,966 km (0.092 R)
• M35: 8,063,176 km (0.088 R)
• M36: 8,588,414 km (0.086 R)
• M37: 8,706,596 km (0.093 R)
• M38: 8,944,756 km (0.08 R)
• M39: 9,124,722 km (0.105 R)
• M40: 9,245,448 km (0.103 R)
• M41: 9,488,395 km (0.079 R)
• M42: 10,167,419 km (0.076 R)
• M43: 11,572,143 km (0.098 R)
• M44: 11,735,504 km (0.075 R)
• M45: 12,097,830 km (0.106 R)
• M46: 12,631,595 km (0.084 R)
• M47: 12,698,765 km (0.109 R)
• M48: 12,867,362 km (0.096 R)
• M49: 14,453,697 km (0.115 R)
• M50: 14,735,839 km (0.099 R)
• M51: 15,557,131 km (0.096 R)
• M52: 16,577,090 km (0.112 R)
• M53: 16,798,494 km (0.117 R)
• M54: 18,527,995 km (0.092 R)
• M55: 19,220,035 km (0.113 R)
• M56: 19,452,660 km (0.102 R)
• M57: 19,725,227 km (0.113 R)
• M58: 20,590,053 km (0.101 R)
• M59: 20,828,063 km (0.032 R)
• M60: 21,587,721 km (0.086 R)
• M61: 22,194,041 km (0.068 R)
• M62: 22,478,726 km (0.027 R)
• M63: 22,560,406 km (0.091 R)
• M64: 23,464,426 km (0.041 R)
• M65: 24,800,634 km (0.114 R)
• M66: 25,690,891 km (0.032 R)
• M67: 25,861,582 km (0.078 R)
• M68: 27,589,886 km (0.033 R)
• M69: 27,852,281 km (0.049 R)
• M70: 27,983,778 km (0.082 R)
• M71: 28,115,573 km (0.111 R)
• M72: 28,556,289 km (0.069 R)
• M73: 29,132,540 km (0.096 R)
• M74: 29,221,550 km (0.082 R)

Kuiper Belt

Range: 31.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 13,267 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit