🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.03 AU - 1.39 AU

Year: 496 Days

Day: 39.7 Hours

Environment

Temp: 1 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 58,822,163 km

• M1: 624,422 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.09 AU - 1.35 AU

Year: 502 Days

Day: 36.9 Hours

Environment

Temp: -6 °C

Axial Tilt: 43 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.21 AU - 1.89 AU

Year: 719 Days

Day: 31.2 Hours

Environment

Temp: -43 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 58,822,163 km

• M1: 765,642 km (0.054 R)
• M2: 1,435,541 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.26 AU - 1.86 AU

Year: 726 Days

Day: 19 Hours

Environment

Temp: -43 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,822,163 km

• M1: 609,312 km (0.108 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.91 AU - 3.09 AU

Year: 1474 Days

Day: 34.5 Hours

Environment

Temp: -95 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.48 AU - 2.82 AU

Year: 1608 Days

Day: 40.9 Hours

Environment

Temp: -104 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.25 AU - 3.13 AU

Year: 1645 Days

Day: 19.8 Hours

Environment

Temp: -98 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.32 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505

Radius: 12.1

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.73 AU - 9.17 AU

Year: 8356 Days

Day: 12.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 58,822,163 km

• M1: 188,793 km (0.103 R)
• M2: 369,507 km (0.083 R)
• M3: 503,696 km (0.105 R)
• M4: 630,705 km (0.064 R)
• M5: 1,270,834 km (0.059 R)
• M6: 1,565,542 km (0.115 R)
• M7: 2,715,052 km (0.098 R)
• M8: 2,808,999 km (0.066 R)
• M9: 2,903,844 km (0.117 R)
• M10: 3,547,414 km (0.1 R)
• M11: 3,676,218 km (0.112 R)
• M12: 3,885,655 km (0.067 R)
• M13: 3,965,092 km (0.094 R)
• M14: 4,316,347 km (0.1 R)
• M15: 4,398,776 km (0.093 R)
• M16: 4,705,900 km (0.072 R)
• M17: 5,223,359 km (0.096 R)
• M18: 5,489,045 km (0.079 R)
• M19: 5,911,210 km (0.031 R)
• M20: 6,312,731 km (0.092 R)
• M21: 6,691,214 km (0.08 R)
• M22: 8,005,880 km (0.075 R)
• M23: 8,832,408 km (0.081 R)
• M24: 8,937,575 km (0.089 R)
• M25: 9,184,711 km (0.108 R)
• M26: 10,306,545 km (0.059 R)
• M27: 10,752,347 km (0.065 R)
• M28: 10,939,943 km (0.036 R)
• M29: 11,053,039 km (0.102 R)
• M30: 11,701,396 km (0.109 R)
• M31: 12,088,555 km (0.033 R)
• M32: 12,205,541 km (0.104 R)
• M33: 12,835,797 km (0.051 R)
• M34: 13,964,213 km (0.074 R)
• M35: 14,664,780 km (0.117 R)
• M36: 15,292,493 km (0.083 R)
• M37: 16,358,078 km (0.101 R)
• M38: 17,227,691 km (0.077 R)
• M39: 18,650,367 km (0.027 R)
• M40: 18,876,110 km (0.099 R)
• M41: 19,375,916 km (0.115 R)
• M42: 21,229,583 km (0.056 R)
• M43: 21,323,830 km (0.076 R)
• M44: 23,236,439 km (0.12 R)
• M45: 23,333,378 km (0.12 R)
• M46: 25,053,903 km (0.056 R)
• M47: 25,203,352 km (0.088 R)
• M48: 26,358,247 km (0.098 R)
• M49: 26,611,666 km (0.039 R)
• M50: 27,376,710 km (0.075 R)
• M51: 27,633,270 km (0.079 R)
• M52: 28,200,695 km (0.096 R)
• M53: 28,876,129 km (0.082 R)
• M54: 29,662,116 km (0.069 R)
• M55: 31,416,002 km (0.097 R)
• M56: 32,116,269 km (0.09 R)
• M57: 32,658,262 km (0.057 R)
• M58: 33,148,794 km (0.064 R)
• M59: 34,192,239 km (0.114 R)
• M60: 34,468,696 km (0.098 R)
• M61: 34,690,250 km (0.112 R)
• M62: 34,856,753 km (0.11 R)
• M63: 36,142,546 km (0.061 R)
• M64: 36,255,044 km (0.084 R)
• M65: 37,842,726 km (0.044 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.1

Radius: 12

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 10.78 AU - 11.74 AU

Year: 14085 Days

Day: 10.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 58,822,163 km

• M1: 267,930 km (0.084 R)
• M2: 583,880 km (0.11 R)
• M3: 1,306,438 km (0.114 R)
• M4: 1,476,830 km (0.084 R)
• M5: 2,004,611 km (0.103 R)
• M6: 2,319,066 km (0.029 R)
• M7: 2,437,398 km (0.113 R)
• M8: 2,680,195 km (0.111 R)
• M9: 2,899,356 km (0.112 R)
• M10: 3,059,576 km (0.116 R)
• M11: 3,660,660 km (0.109 R)
• M12: 3,834,044 km (0.115 R)
• M13: 4,334,598 km (0.063 R)
• M14: 4,444,553 km (0.048 R)
• M15: 4,970,090 km (0.107 R)
• M16: 5,674,995 km (0.03 R)
• M17: 5,835,963 km (0.03 R)
• M18: 7,004,621 km (0.105 R)
• M19: 7,615,728 km (0.086 R)
• M20: 8,017,698 km (0.116 R)
• M21: 10,472,898 km (0.102 R)
• M22: 10,720,483 km (0.106 R)
• M23: 11,020,127 km (0.059 R)
• M24: 11,576,631 km (0.091 R)
• M25: 11,884,055 km (0.062 R)
• M26: 12,507,130 km (0.099 R)
• M27: 12,717,165 km (0.112 R)
• M28: 12,981,355 km (0.032 R)
• M29: 13,087,570 km (0.039 R)
• M30: 15,891,931 km (0.071 R)
• M31: 16,062,473 km (0.034 R)
• M32: 16,405,501 km (0.106 R)
• M33: 16,750,922 km (0.104 R)
• M34: 17,215,274 km (0.097 R)
• M35: 18,753,739 km (0.069 R)
• M36: 19,539,277 km (0.088 R)
• M37: 19,966,828 km (0.099 R)
• M38: 20,397,370 km (0.034 R)
• M39: 20,520,938 km (0.065 R)
• M40: 20,644,805 km (0.101 R)
• M41: 21,142,667 km (0.094 R)
• M42: 22,340,946 km (0.066 R)
• M43: 23,237,935 km (0.084 R)
• M44: 23,496,440 km (0.034 R)
• M45: 24,016,143 km (0.111 R)
• M46: 24,934,823 km (0.109 R)
• M47: 25,731,582 km (0.103 R)
• M48: 27,691,015 km (0.051 R)
• M49: 30,401,279 km (0.106 R)
• M50: 32,832,095 km (0.091 R)
• M51: 32,977,055 km (0.089 R)
• M52: 33,194,870 km (0.054 R)
• M53: 33,558,991 km (0.055 R)
• M54: 34,070,915 km (0.067 R)
• M55: 34,291,123 km (0.047 R)
• M56: 34,659,134 km (0.094 R)
• M57: 35,176,593 km (0.091 R)
• M58: 35,622,095 km (0.086 R)
• M59: 35,771,095 km (0.104 R)
• M60: 35,920,244 km (0.072 R)
• M61: 36,069,543 km (0.089 R)
• M62: 37,498,801 km (0.092 R)
• M63: 37,802,036 km (0.057 R)
• M64: 40,257,236 km (0.089 R)
• M65: 40,334,727 km (0.106 R)
• M66: 40,723,233 km (0.109 R)
• M67: 41,817,691 km (0.033 R)
• M68: 42,526,336 km (0.113 R)
• M69: 43,001,010 km (0.092 R)
• M70: 43,557,066 km (0.119 R)
• M71: 44,676,207 km (0.071 R)
• M72: 44,756,392 km (0.066 R)
• M73: 46,535,260 km (0.119 R)
• M74: 47,269,636 km (0.105 R)
• M75: 48,172,310 km (0.06 R)
• M76: 49,080,668 km (0.077 R)
• M77: 49,744,882 km (0.11 R)
• M78: 50,663,114 km (0.099 R)
• M79: 54,219,953 km (0.082 R)
• M80: 55,509,786 km (0.064 R)
• M81: 55,682,571 km (0.091 R)
• M82: 56,201,826 km (0.068 R)
• M83: 56,461,976 km (0.06 R)
• M84: 56,722,725 km (0.083 R)
• M85: 56,896,708 km (0.114 R)
• M86: 58,822,182 km (0.098 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: 265 - 18,004 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit