🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.45 AU - 0.63 AU

Year: 140 Days

Day: 34.4 Hours

Environment

Temp: 232 °C

Axial Tilt: 30 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 51,022,688 km

• M1: 198,816 km (0.071 R)
• M2: 237,561 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.69 AU - 0.91 AU

Year: 253 Days

Day: 24 Hours

Environment

Temp: 124 °C

Axial Tilt: 31.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.82 AU - 0.96 AU

Year: 296 Days

Day: 22.9 Hours

Environment

Temp: 110 °C

Axial Tilt: 8.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,022,688 km

• M1: 630,405 km (0.093 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.98 AU - 1.06 AU

Year: 364 Days

Day: 35.6 Hours

Environment

Temp: 159 °C

Axial Tilt: 11.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.96 AU - 1.32 AU

Year: 430 Days

Day: 45.9 Hours

Environment

Temp: 30 °C

Axial Tilt: 6.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.06 AU - 1.42 AU

Year: 488 Days

Day: 39 Hours

Environment

Temp: 21 °C

Axial Tilt: 32.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 51,022,688 km

• M1: 102,624 km (0.119 R)
• M2: 464,651 km (0.057 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.17 AU - 3.15 AU

Year: 1532 Days

Day: 17.1 Hours

Environment

Temp: -81 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.25 AU - 4.61 AU

Year: 3292 Days

Day: 39.1 Hours

Environment

Temp: -113 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.6

Radius: 14.3

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 7.05 AU - 10.33 AU

Year: 9045 Days

Day: 10.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 51,022,688 km

• M1: 237,711 km (0.104 R)
• M2: 398,230 km (0.081 R)
• M3: 670,647 km (0.041 R)
• M4: 816,505 km (0.061 R)
• M5: 1,057,657 km (0.073 R)
• M6: 1,178,831 km (0.066 R)
• M7: 1,304,942 km (0.077 R)
• M8: 1,877,902 km (0.109 R)
• M9: 2,226,016 km (0.077 R)
• M10: 2,835,927 km (0.119 R)
• M11: 2,934,362 km (0.067 R)
• M12: 3,391,833 km (0.053 R)
• M13: 3,602,616 km (0.053 R)
• M14: 3,790,511 km (0.084 R)
• M15: 4,204,448 km (0.115 R)
• M16: 4,604,174 km (0.064 R)
• M17: 4,956,626 km (0.104 R)
• M18: 5,471,093 km (0.12 R)
• M19: 5,656,744 km (0.076 R)
• M20: 5,781,808 km (0.08 R)
• M21: 5,876,055 km (0.095 R)
• M22: 6,518,428 km (0.09 R)
• M23: 6,947,924 km (0.113 R)
• M24: 7,558,133 km (0.106 R)
• M25: 7,765,326 km (0.089 R)
• M26: 7,869,746 km (0.093 R)
• M27: 7,974,464 km (0.068 R)
• M28: 8,541,440 km (0.104 R)
• M29: 8,866,067 km (0.087 R)
• M30: 8,975,124 km (0.107 R)
• M31: 9,158,082 km (0.038 R)
• M32: 9,305,287 km (0.097 R)
• M33: 10,319,560 km (0.097 R)
• M34: 10,472,898 km (0.086 R)
• M35: 10,742,922 km (0.12 R)
• M36: 11,015,340 km (0.099 R)
• M37: 11,250,657 km (0.092 R)
• M38: 11,527,264 km (0.111 R)
• M39: 11,686,436 km (0.1 R)
• M40: 12,861,677 km (0.103 R)
• M41: 13,234,176 km (0.106 R)
• M42: 13,400,828 km (0.101 R)
• M43: 13,694,189 km (0.073 R)
• M44: 14,329,980 km (0.083 R)
• M45: 14,630,073 km (0.075 R)
• M46: 14,802,410 km (0.061 R)
• M47: 16,161,357 km (0.1 R)
• M48: 17,240,706 km (0.112 R)
• M49: 17,743,205 km (0.103 R)
• M50: 18,296,867 km (0.084 R)
• M51: 18,715,890 km (0.115 R)
• M52: 19,801,073 km (0.109 R)
• M53: 20,039,682 km (0.087 R)
• M54: 20,135,425 km (0.032 R)
• M55: 20,423,550 km (0.049 R)
• M56: 21,247,086 km (0.098 R)
• M57: 21,884,373 km (0.079 R)
• M58: 22,977,036 km (0.1 R)
• M59: 23,227,762 km (0.114 R)
• M60: 23,328,442 km (0.094 R)
• M61: 23,732,206 km (0.096 R)
• M62: 25,994,126 km (0.114 R)
• M63: 26,098,545 km (0.114 R)
• M64: 26,307,833 km (0.063 R)
• M65: 28,109,590 km (0.049 R)
• M66: 28,485,529 km (0.087 R)
• M67: 28,593,090 km (0.057 R)
• M68: 29,187,891 km (0.087 R)
• M69: 29,896,087 km (0.055 R)
• M70: 30,170,001 km (0.071 R)
• M71: 30,279,806 km (0.113 R)
• M72: 30,996,828 km (0.064 R)
• M73: 31,274,033 km (0.05 R)
• M74: 32,222,783 km (0.12 R)
• M75: 32,391,230 km (0.116 R)
• M76: 34,434,887 km (0.094 R)
• M77: 37,873,693 km (0.076 R)
• M78: 38,229,437 km (0.117 R)
• M79: 38,705,607 km (0.095 R)
• M80: 39,123,882 km (0.113 R)
• M81: 40,025,060 km (0.059 R)
• M82: 40,327,098 km (0.059 R)

Planet 10 - Gas Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.2

Radius: 10.7

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 8.02 AU - 11.06 AU

Year: 10404 Days

Day: 11.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 51,022,688 km

• M1: 162,912 km (0.087 R)
• M2: 310,565 km (0.057 R)
• M3: 524,939 km (0.075 R)
• M4: 843,882 km (0.074 R)
• M5: 995,873 km (0.113 R)
• M6: 1,199,326 km (0.118 R)
• M7: 1,394,252 km (0.097 R)
• M8: 1,576,313 km (0.104 R)
• M9: 1,670,410 km (0.08 R)
• M10: 1,864,588 km (0.113 R)
• M11: 2,143,588 km (0.101 R)
• M12: 2,222,127 km (0.1 R)
• M13: 2,328,341 km (0.065 R)
• M14: 2,409,124 km (0.091 R)
• M15: 2,573,682 km (0.074 R)
• M16: 4,019,396 km (0.063 R)
• M17: 5,135,695 km (0.112 R)
• M18: 7,552,149 km (0.11 R)
• M19: 7,875,879 km (0.088 R)
• M20: 8,162,808 km (0.108 R)
• M21: 8,578,839 km (0.115 R)
• M22: 8,704,950 km (0.116 R)
• M23: 9,561,847 km (0.06 R)
• M24: 10,311,183 km (0.103 R)
• M25: 11,079,517 km (0.117 R)
• M26: 11,539,980 km (0.101 R)
• M27: 11,912,927 km (0.114 R)
• M28: 13,103,876 km (0.078 R)
• M29: 13,492,980 km (0.054 R)
• M30: 13,639,885 km (0.067 R)
• M31: 13,885,974 km (0.115 R)
• M32: 14,683,031 km (0.075 R)
• M33: 15,290,698 km (0.09 R)
• M34: 15,854,981 km (0.079 R)
• M35: 16,269,516 km (0.103 R)
• M36: 17,003,743 km (0.032 R)
• M37: 17,268,531 km (0.032 R)
• M38: 17,641,628 km (0.115 R)
• M39: 17,963,563 km (0.107 R)
• M40: 19,380,853 km (0.052 R)
• M41: 20,383,009 km (0.097 R)
• M42: 21,345,073 km (0.085 R)
• M43: 21,917,734 km (0.078 R)
• M44: 22,032,924 km (0.084 R)
• M45: 22,961,478 km (0.117 R)
• M46: 23,313,033 km (0.112 R)
• M47: 23,430,617 km (0.112 R)
• M48: 23,607,292 km (0.066 R)
• M49: 23,725,325 km (0.068 R)
• M50: 23,902,748 km (0.088 R)
• M51: 24,976,860 km (0.064 R)
• M52: 25,640,925 km (0.071 R)
• M53: 25,762,249 km (0.114 R)
• M54: 26,005,495 km (0.091 R)
• M55: 27,854,675 km (0.056 R)
• M56: 30,193,039 km (0.109 R)
• M57: 31,743,172 km (0.111 R)
• M58: 32,922,751 km (0.048 R)
• M59: 33,916,680 km (0.033 R)
• M60: 36,683,343 km (0.112 R)
• M61: 36,751,709 km (0.111 R)
• M62: 36,888,591 km (0.055 R)
• M63: 37,506,729 km (0.051 R)
• M64: 38,475,076 km (0.112 R)
• M65: 38,962,317 km (0.115 R)
• M66: 39,032,029 km (0.119 R)
• M67: 39,171,754 km (0.101 R)
• M68: 39,661,986 km (0.107 R)
• M69: 40,931,623 km (0.106 R)
• M70: 41,500,245 km (0.119 R)
• M71: 41,642,811 km (0.07 R)
• M72: 42,286,381 km (0.102 R)
• M73: 42,501,653 km (0.117 R)
• M74: 43,583,395 km (0.063 R)
• M75: 43,800,761 km (0.044 R)
• M76: 44,018,575 km (0.109 R)
• M77: 44,309,543 km (0.03 R)
• M78: 44,455,251 km (0.04 R)
• M79: 44,528,255 km (0.095 R)
• M80: 45,773,956 km (0.095 R)
• M81: 46,438,021 km (0.107 R)
• M82: 47,031,027 km (0.111 R)
• M83: 48,449,514 km (0.088 R)
• M84: 49,503,731 km (0.112 R)
• M85: 49,806,217 km (0.115 R)
• M86: 50,033,606 km (0.096 R)

Kuiper Belt

Range: 31.1 - 55.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 12,858 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit