🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.68 AU - 0.9 AU

Year: 255 Days

Day: 31.6 Hours

Environment

Temp: 144 °C

Axial Tilt: 2.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.1 AU - 1.34 AU

Year: 490 Days

Day: 29.5 Hours

Environment

Temp: 11 °C

Axial Tilt: 24.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.54 AU - 2.02 AU

Year: 863 Days

Day: 27.6 Hours

Environment

Temp: -52 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.64 AU - 2.7 AU

Year: 1162 Days

Day: 22.7 Hours

Environment

Temp: -67 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.9 AU - 2.86 AU

Year: 1334 Days

Day: 46.4 Hours

Environment

Temp: -79 °C

Axial Tilt: 49.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,821,576 km

• M1: 1,345,932 km (0.025 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.17 AU - 2.65 AU

Year: 1360 Days

Day: 29.5 Hours

Environment

Temp: -84 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.72 AU - 2.76 AU

Year: 1648 Days

Day: 21.1 Hours

Environment

Temp: -88 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.26 AU - 3.62 AU

Year: 2319 Days

Day: 35.5 Hours

Environment

Temp: -109 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,821,576 km

• M1: 165,306 km (0.11 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.2

Radius: 12

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.44 AU - 6.76 AU

Year: 5476 Days

Day: 10.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 31,821,576 km

• M1: 235,168 km (0.083 R)
• M2: 423,063 km (0.112 R)
• M3: 645,814 km (0.083 R)
• M4: 779,704 km (0.034 R)
• M5: 938,727 km (0.084 R)
• M6: 1,045,839 km (0.038 R)
• M7: 1,324,540 km (0.108 R)
• M8: 1,834,967 km (0.079 R)
• M9: 2,031,689 km (0.094 R)
• M10: 2,173,507 km (0.04 R)
• M11: 2,277,029 km (0.081 R)
• M12: 2,641,300 km (0.069 R)
• M13: 2,796,882 km (0.031 R)
• M14: 4,096,588 km (0.1 R)
• M15: 4,487,188 km (0.071 R)
• M16: 5,332,566 km (0.065 R)
• M17: 5,445,213 km (0.111 R)
• M18: 6,585,149 km (0.111 R)
• M19: 7,104,852 km (0.041 R)
• M20: 7,197,902 km (0.104 R)
• M21: 7,925,097 km (0.07 R)
• M22: 8,086,363 km (0.065 R)
• M23: 8,216,065 km (0.098 R)
• M24: 8,908,703 km (0.077 R)
• M25: 9,042,742 km (0.077 R)
• M26: 9,346,875 km (0.104 R)
• M27: 9,826,785 km (0.074 R)
• M28: 9,965,313 km (0.068 R)
• M29: 10,209,307 km (0.049 R)
• M30: 11,025,363 km (0.114 R)
• M31: 11,314,087 km (0.094 R)
• M32: 11,422,994 km (0.086 R)
• M33: 12,344,218 km (0.091 R)
• M34: 13,098,490 km (0.08 R)
• M35: 13,212,933 km (0.101 R)
• M36: 13,365,971 km (0.035 R)
• M37: 13,442,715 km (0.05 R)
• M38: 13,751,335 km (0.096 R)
• M39: 14,572,329 km (0.084 R)
• M40: 14,849,533 km (0.064 R)
• M41: 15,048,648 km (0.027 R)
• M42: 15,168,626 km (0.059 R)
• M43: 15,772,851 km (0.096 R)
• M44: 15,853,934 km (0.066 R)
• M45: 16,180,057 km (0.114 R)
• M46: 16,261,887 km (0.115 R)
• M47: 16,590,703 km (0.117 R)
• M48: 17,674,540 km (0.069 R)
• M49: 17,801,099 km (0.093 R)
• M50: 18,738,180 km (0.115 R)
• M51: 18,867,283 km (0.073 R)
• M52: 19,910,280 km (0.091 R)
• M53: 20,394,528 km (0.068 R)
• M54: 22,507,149 km (0.045 R)
• M55: 23,288,499 km (0.088 R)
• M56: 24,312,646 km (0.113 R)
• M57: 24,594,488 km (0.065 R)
• M58: 25,446,598 km (0.076 R)
• M59: 25,637,335 km (0.066 R)
• M60: 26,501,263 km (0.102 R)
• M61: 27,179,839 km (0.076 R)
• M62: 27,766,113 km (0.099 R)
• M63: 27,962,385 km (0.102 R)
• M64: 28,702,745 km (0.119 R)
• M65: 29,000,594 km (0.09 R)
• M66: 29,699,815 km (0.103 R)
• M67: 30,001,255 km (0.092 R)
• M68: 30,152,348 km (0.05 R)
• M69: 30,708,404 km (0.119 R)
• M70: 30,809,831 km (0.054 R)
• M71: 31,216,887 km (0.108 R)
• M72: 31,472,101 km (0.088 R)
• M73: 32,036,234 km (0.093 R)
• M74: 32,707,031 km (0.073 R)
• M75: 33,226,285 km (0.087 R)
• M76: 33,382,615 km (0.09 R)
• M77: 33,643,664 km (0.112 R)
• M78: 34,167,854 km (0.053 R)
• M79: 34,589,122 km (0.119 R)
• M80: 35,012,185 km (0.108 R)
• M81: 35,330,529 km (0.058 R)
• M82: 35,436,893 km (0.118 R)

Planet 10 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.2

Radius: 10.6

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.79 AU - 8.65 AU

Year: 8565 Days

Day: 7 Hours

Environment

Temp: -161 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 31,821,576 km

• M1: 137,032 km (0.072 R)
• M2: 214,823 km (0.036 R)
• M3: 475,572 km (0.055 R)
• M4: 903,272 km (0.103 R)
• M5: 987,496 km (0.108 R)
• M6: 1,118,992 km (0.073 R)
• M7: 1,240,914 km (0.11 R)
• M8: 1,432,699 km (0.12 R)
• M9: 1,498,821 km (0.109 R)
• M10: 1,738,776 km (0.115 R)
• M11: 1,809,685 km (0.066 R)
• M12: 2,009,847 km (0.113 R)
• M13: 2,431,863 km (0.114 R)
• M14: 2,592,382 km (0.099 R)
• M15: 3,247,022 km (0.107 R)
• M16: 3,335,135 km (0.089 R)
• M17: 3,604,561 km (0.088 R)
• M18: 3,927,842 km (0.065 R)
• M19: 4,164,506 km (0.065 R)
• M20: 4,333,102 km (0.087 R)
• M21: 4,479,409 km (0.1 R)
• M22: 4,652,045 km (0.11 R)
• M23: 4,801,942 km (0.11 R)
• M24: 5,055,211 km (0.097 R)
• M25: 5,548,585 km (0.111 R)
• M26: 5,841,348 km (0.095 R)
• M27: 6,469,958 km (0.105 R)
• M28: 6,553,434 km (0.096 R)
• M29: 6,806,404 km (0.093 R)
• M30: 7,062,515 km (0.053 R)
• M31: 7,235,151 km (0.119 R)
• M32: 7,849,999 km (0.065 R)
• M33: 8,239,103 km (0.063 R)
• M34: 9,634,252 km (0.06 R)
• M35: 10,212,747 km (0.089 R)
• M36: 11,809,705 km (0.12 R)
• M37: 11,980,545 km (0.098 R)
• M38: 12,117,727 km (0.044 R)
• M39: 13,841,094 km (0.117 R)
• M40: 13,949,104 km (0.069 R)
• M41: 14,933,607 km (0.107 R)
• M42: 15,714,808 km (0.115 R)
• M43: 15,978,249 km (0.111 R)
• M44: 16,585,617 km (0.119 R)
• M45: 17,007,782 km (0.09 R)
• M46: 17,084,825 km (0.087 R)
• M47: 17,239,359 km (0.117 R)
• M48: 18,970,356 km (0.096 R)
• M49: 19,331,186 km (0.062 R)
• M50: 19,613,478 km (0.108 R)
• M51: 19,937,806 km (0.061 R)
• M52: 20,019,037 km (0.082 R)
• M53: 20,632,688 km (0.074 R)
• M54: 20,797,246 km (0.114 R)
• M55: 20,879,824 km (0.104 R)
• M56: 21,335,499 km (0.119 R)
• M57: 21,710,840 km (0.118 R)
• M58: 22,722,121 km (0.108 R)
• M59: 23,619,709 km (0.105 R)
• M60: 24,528,964 km (0.12 R)
• M61: 24,834,443 km (0.07 R)
• M62: 25,803,090 km (0.072 R)
• M63: 25,980,662 km (0.068 R)
• M64: 26,515,475 km (0.069 R)
• M65: 26,604,934 km (0.113 R)
• M66: 27,053,877 km (0.095 R)
• M67: 27,234,143 km (0.101 R)
• M68: 27,369,529 km (0.068 R)
• M69: 27,505,214 km (0.087 R)
• M70: 27,868,288 km (0.064 R)
• M71: 27,959,244 km (0.061 R)
• M72: 28,278,485 km (0.11 R)
• M73: 28,782,630 km (0.048 R)
• M74: 29,567,570 km (0.039 R)
• M75: 30,032,521 km (0.108 R)
• M76: 30,453,040 km (0.071 R)
• M77: 31,300,063 km (0.116 R)

Kuiper Belt

Range: 30.2 - 50.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 11,656 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit