🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.71 AU - 0.91 AU

Year: 261 Days

Day: 24.4 Hours

Environment

Temp: 192 °C

Axial Tilt: 24.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.78 AU - 1.26 AU

Year: 369 Days

Day: 32.6 Hours

Environment

Temp: 36 °C

Axial Tilt: 1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.99 AU - 1.27 AU

Year: 430 Days

Day: 13.3 Hours

Environment

Temp: 19 °C

Axial Tilt: 37.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 41,306,056 km

• M1: 936,782 km (0.044 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.27 AU - 1.93 AU

Year: 725 Days

Day: 47.7 Hours

Environment

Temp: -31 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,306,056 km

• M1: 98,585 km (0.111 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.52 AU - 2.74 AU

Year: 1528 Days

Day: 20.9 Hours

Environment

Temp: -96 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.53 AU - 3.63 AU

Year: 1936 Days

Day: 47.9 Hours

Environment

Temp: -108 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.06 AU - 3.56 AU

Year: 2157 Days

Day: 37.6 Hours

Environment

Temp: -106 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.2

Radius: 11.1

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.85 AU - 7.71 AU

Year: 7035 Days

Day: 5.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 41,306,056 km

• M1: 197,320 km (0.108 R)
• M2: 331,210 km (0.056 R)
• M3: 405,560 km (0.071 R)
• M4: 498,460 km (0.063 R)
• M5: 576,700 km (0.078 R)
• M6: 684,560 km (0.075 R)
• M7: 993,779 km (0.081 R)
• M8: 1,066,932 km (0.084 R)
• M9: 1,461,122 km (0.09 R)
• M10: 1,719,029 km (0.06 R)
• M11: 1,936,096 km (0.105 R)
• M12: 2,558,423 km (0.08 R)
• M13: 2,702,635 km (0.064 R)
• M14: 2,786,260 km (0.106 R)
• M15: 3,085,905 km (0.094 R)
• M16: 3,555,044 km (0.12 R)
• M17: 4,118,579 km (0.112 R)
• M18: 4,239,604 km (0.086 R)
• M19: 4,609,709 km (0.058 R)
• M20: 5,119,538 km (0.106 R)
• M21: 5,328,527 km (0.064 R)
• M22: 5,433,993 km (0.098 R)
• M23: 5,754,880 km (0.057 R)
• M24: 6,082,051 km (0.107 R)
• M25: 6,275,780 km (0.087 R)
• M26: 6,471,454 km (0.106 R)
• M27: 6,669,223 km (0.074 R)
• M28: 7,687,984 km (0.092 R)
• M29: 7,837,432 km (0.091 R)
• M30: 9,162,720 km (0.073 R)
• M31: 9,899,789 km (0.065 R)
• M32: 10,127,925 km (0.059 R)
• M33: 10,423,830 km (0.053 R)
• M34: 11,091,635 km (0.097 R)
• M35: 11,260,830 km (0.087 R)
• M36: 11,601,614 km (0.091 R)
• M37: 12,049,809 km (0.111 R)
• M38: 12,363,366 km (0.08 R)
• M39: 12,468,534 km (0.04 R)
• M40: 12,856,591 km (0.101 R)
• M41: 13,608,470 km (0.076 R)
• M42: 13,789,633 km (0.09 R)
• M43: 13,862,337 km (0.104 R)
• M44: 13,971,544 km (0.04 R)
• M45: 14,559,164 km (0.096 R)
• M46: 14,893,216 km (0.095 R)
• M47: 15,229,811 km (0.046 R)
• M48: 15,342,608 km (0.102 R)
• M49: 15,568,950 km (0.071 R)
• M50: 16,025,074 km (0.027 R)
• M51: 16,717,412 km (0.089 R)
• M52: 17,028,277 km (0.073 R)
• M53: 18,812,231 km (0.082 R)
• M54: 19,135,662 km (0.106 R)
• M55: 19,542,419 km (0.076 R)
• M56: 20,281,881 km (0.073 R)
• M57: 21,450,240 km (0.063 R)
• M58: 21,576,650 km (0.099 R)
• M59: 22,855,114 km (0.078 R)
• M60: 23,286,704 km (0.112 R)
• M61: 23,677,453 km (0.053 R)
• M62: 23,764,669 km (0.045 R)
• M63: 25,351,154 km (0.087 R)
• M64: 25,529,625 km (0.118 R)
• M65: 26,880,793 km (0.112 R)
• M66: 26,971,748 km (0.085 R)
• M67: 27,932,466 km (0.116 R)
• M68: 28,950,928 km (0.118 R)
• M69: 30,028,781 km (0.042 R)
• M70: 30,123,027 km (0.116 R)
• M71: 30,312,119 km (0.104 R)
• M72: 30,454,087 km (0.068 R)
• M73: 30,738,772 km (0.081 R)
• M74: 31,215,092 km (0.106 R)
• M75: 31,310,685 km (0.045 R)
• M76: 31,598,062 km (0.115 R)
• M77: 31,789,996 km (0.097 R)
• M78: 32,223,531 km (0.06 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.2

Radius: 8.4

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 9.58 AU - 11.42 AU

Year: 12186 Days

Day: 11.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 41,306,056 km

• M1: 111,301 km (0.082 R)
• M2: 165,605 km (0.097 R)
• M3: 220,956 km (0.101 R)
• M4: 421,866 km (0.118 R)
• M5: 819,048 km (0.102 R)
• M6: 917,035 km (0.095 R)
• M7: 1,002,007 km (0.076 R)
• M8: 1,071,869 km (0.11 R)
• M9: 1,125,574 km (0.114 R)
• M10: 1,310,926 km (0.046 R)
• M11: 1,486,255 km (0.067 R)
• M12: 1,690,306 km (0.075 R)
• M13: 1,774,530 km (0.12 R)
• M14: 1,903,483 km (0.086 R)
• M15: 1,991,297 km (0.106 R)
• M16: 2,193,703 km (0.117 R)
• M17: 2,355,867 km (0.119 R)
• M18: 2,426,627 km (0.066 R)
• M19: 2,790,898 km (0.119 R)
• M20: 2,916,261 km (0.036 R)
• M21: 3,224,732 km (0.117 R)
• M22: 3,928,739 km (0.113 R)
• M23: 4,443,206 km (0.116 R)
• M24: 4,619,582 km (0.087 R)
• M25: 5,009,434 km (0.103 R)
• M26: 5,100,988 km (0.045 R)
• M27: 5,378,791 km (0.107 R)
• M28: 5,693,246 km (0.091 R)
• M29: 5,949,208 km (0.106 R)
• M30: 8,128,999 km (0.101 R)
• M31: 8,562,833 km (0.106 R)
• M32: 8,892,995 km (0.114 R)
• M33: 9,414,942 km (0.096 R)
• M34: 9,566,036 km (0.09 R)
• M35: 10,023,805 km (0.075 R)
• M36: 10,255,383 km (0.12 R)
• M37: 10,566,846 km (0.116 R)
• M38: 11,520,083 km (0.114 R)
• M39: 11,681,499 km (0.1 R)
• M40: 12,252,814 km (0.053 R)
• M41: 12,625,013 km (0.091 R)
• M42: 12,708,190 km (0.075 R)
• M43: 12,958,766 km (0.105 R)
• M44: 13,295,660 km (0.077 R)
• M45: 13,635,248 km (0.104 R)
• M46: 14,063,845 km (0.104 R)
• M47: 14,366,632 km (0.088 R)
• M48: 15,066,450 km (0.11 R)
• M49: 16,182,301 km (0.096 R)
• M50: 16,499,448 km (0.084 R)
• M51: 17,463,158 km (0.115 R)
• M52: 18,209,801 km (0.092 R)
• M53: 18,492,391 km (0.104 R)
• M54: 19,493,051 km (0.114 R)
• M55: 20,903,759 km (0.048 R)
• M56: 21,397,731 km (0.084 R)
• M57: 22,196,135 km (0.104 R)
• M58: 22,548,588 km (0.112 R)
• M59: 23,106,139 km (0.045 R)
• M60: 23,258,879 km (0.061 R)
• M61: 24,493,659 km (0.082 R)
• M62: 24,805,721 km (0.082 R)
• M63: 24,962,200 km (0.071 R)
• M64: 25,171,338 km (0.114 R)
• M65: 25,486,241 km (0.106 R)
• M66: 27,456,595 km (0.09 R)
• M67: 29,862,727 km (0.079 R)
• M68: 30,029,229 km (0.072 R)
• M69: 31,711,158 km (0.089 R)
• M70: 31,994,497 km (0.068 R)
• M71: 32,906,744 km (0.103 R)
• M72: 33,423,605 km (0.099 R)
• M73: 36,402,847 km (0.106 R)
• M74: 36,580,719 km (0.098 R)
• M75: 37,056,440 km (0.065 R)
• M76: 38,919,382 km (0.077 R)
• M77: 38,979,969 km (0.104 R)
• M78: 39,040,706 km (0.096 R)
• M79: 40,015,037 km (0.073 R)
• M80: 40,259,929 km (0.084 R)
• M81: 40,566,604 km (0.069 R)
• M82: 41,306,066 km (0.111 R)

Kuiper Belt

Range: 30.6 - 48.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 13,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit