🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.83 AU - 0.91 AU

Year: 295 Days

Day: 22.5 Hours

Environment

Temp: 150 °C

Axial Tilt: 28.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,527,721 km

• M1: 467,942 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.75 AU - 1.23 AU

Year: 358 Days

Day: 31.5 Hours

Environment

Temp: 42 °C

Axial Tilt: 17.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.29 AU - 1.61 AU

Year: 635 Days

Day: 25.6 Hours

Environment

Temp: -29 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.53 AU - 1.79 AU

Year: 777 Days

Day: 34.6 Hours

Environment

Temp: -43 °C

Axial Tilt: 42.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.2 AU - 4.56 AU

Year: 2778 Days

Day: 35.6 Hours

Environment

Temp: -126 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.32 AU - 5.36 AU

Year: 3286 Days

Day: 46.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 10.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968

Radius: 11.3

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 9.16 AU - 12.22 AU

Year: 12703 Days

Day: 6.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 46,527,721 km

• M1: 177,423 km (0.109 R)
• M2: 404,363 km (0.068 R)
• M3: 625,319 km (0.101 R)
• M4: 781,948 km (0.097 R)
• M5: 952,490 km (0.07 R)
• M6: 1,088,923 km (0.104 R)
• M7: 1,256,772 km (0.101 R)
• M8: 1,433,447 km (0.113 R)
• M9: 1,564,943 km (0.092 R)
• M10: 1,645,726 km (0.102 R)
• M11: 1,983,817 km (0.057 R)
• M12: 2,374,717 km (0.119 R)
• M13: 2,468,514 km (0.116 R)
• M14: 2,724,626 km (0.098 R)
• M15: 2,855,973 km (0.077 R)
• M16: 2,989,564 km (0.087 R)
• M17: 3,544,572 km (0.105 R)
• M18: 3,797,542 km (0.106 R)
• M19: 3,907,796 km (0.063 R)
• M20: 4,513,966 km (0.102 R)
• M21: 5,477,825 km (0.037 R)
• M22: 6,112,120 km (0.091 R)
• M23: 6,198,438 km (0.109 R)
• M24: 7,038,879 km (0.117 R)
• M25: 8,485,939 km (0.109 R)
• M26: 8,776,608 km (0.057 R)
• M27: 8,972,132 km (0.077 R)
• M28: 9,218,520 km (0.077 R)
• M29: 9,971,296 km (0.068 R)
• M30: 10,743,820 km (0.077 R)
• M31: 12,019,591 km (0.051 R)
• M32: 12,236,956 km (0.083 R)
• M33: 12,952,184 km (0.104 R)
• M34: 13,964,812 km (0.043 R)
• M35: 15,472,160 km (0.105 R)
• M36: 17,643,274 km (0.118 R)
• M37: 18,263,058 km (0.102 R)
• M38: 19,844,008 km (0.104 R)
• M39: 20,036,540 km (0.057 R)
• M40: 20,943,851 km (0.044 R)
• M41: 22,063,442 km (0.111 R)
• M42: 22,530,187 km (0.027 R)
• M43: 23,541,170 km (0.078 R)
• M44: 25,328,266 km (0.093 R)
• M45: 25,957,175 km (0.11 R)
• M46: 26,167,959 km (0.083 R)
• M47: 26,874,509 km (0.064 R)
• M48: 27,087,686 km (0.103 R)
• M49: 27,158,895 km (0.116 R)
• M50: 28,886,152 km (0.093 R)
• M51: 29,104,565 km (0.116 R)
• M52: 29,323,576 km (0.074 R)
• M53: 29,983,752 km (0.098 R)
• M54: 33,281,188 km (0.08 R)
• M55: 33,433,927 km (0.102 R)
• M56: 34,508,638 km (0.093 R)
• M57: 34,972,691 km (0.097 R)
• M58: 36,534,493 km (0.097 R)
• M59: 36,928,534 km (0.113 R)
• M60: 37,482,494 km (0.117 R)
• M61: 38,518,609 km (0.113 R)
• M62: 39,645,081 km (0.105 R)
• M63: 39,887,879 km (0.076 R)
• M64: 41,027,216 km (0.069 R)
• M65: 42,342,630 km (0.054 R)
• M66: 42,756,418 km (0.099 R)
• M67: 43,421,530 km (0.106 R)
• M68: 43,588,332 km (0.094 R)
• M69: 44,593,480 km (0.106 R)
• M70: 45,521,585 km (0.11 R)
• M71: 46,285,731 km (0.067 R)
• M72: 48,690,068 km (0.117 R)
• M73: 49,384,351 km (0.057 R)
• M74: 50,169,441 km (0.11 R)
• M75: 50,432,135 km (0.079 R)
• M76: 50,782,942 km (0.087 R)
• M77: 54,246,282 km (0.103 R)
• M78: 54,965,998 km (0.065 R)
• M79: 56,415,152 km (0.055 R)
• M80: 56,506,108 km (0.073 R)
• M81: 56,779,423 km (0.089 R)
• M82: 58,428,141 km (0.119 R)
• M83: 59,536,063 km (0.113 R)
• M84: 62,618,228 km (0.043 R)
• M85: 62,712,475 km (0.11 R)
• M86: 62,901,117 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.4

Radius: 6.5

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 16.76 AU - 20.16 AU

Year: 28826 Days

Day: 21.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 46,527,721 km

• M1: 346,768 km (0.047 R)
• M2: 424,858 km (0.106 R)
• M3: 509,530 km (0.082 R)
• M4: 554,111 km (0.118 R)
• M5: 959,521 km (0.099 R)
• M6: 1,015,770 km (0.053 R)
• M7: 1,798,466 km (0.083 R)
• M8: 2,645,339 km (0.072 R)
• M9: 3,279,185 km (0.049 R)
• M10: 3,336,481 km (0.057 R)
• M11: 5,204,061 km (0.085 R)
• M12: 5,575,961 km (0.086 R)
• M13: 6,167,621 km (0.101 R)
• M14: 6,381,097 km (0.089 R)
• M15: 6,888,832 km (0.114 R)
• M16: 7,942,899 km (0.1 R)
• M17: 8,253,315 km (0.042 R)
• M18: 8,965,999 km (0.056 R)
• M19: 10,960,886 km (0.114 R)
• M20: 11,133,223 km (0.098 R)
• M21: 11,306,308 km (0.075 R)
• M22: 12,096,484 km (0.117 R)
• M23: 12,319,085 km (0.065 R)
• M24: 15,094,575 km (0.114 R)
• M25: 15,623,553 km (0.089 R)
• M26: 15,817,432 km (0.07 R)
• M27: 16,060,977 km (0.028 R)
• M28: 16,207,583 km (0.11 R)
• M29: 17,047,126 km (0.089 R)
• M30: 23,528,005 km (0.032 R)
• M31: 23,639,007 km (0.095 R)
• M32: 24,252,807 km (0.063 R)
• M33: 26,355,704 km (0.116 R)
• M34: 26,413,299 km (0.105 R)
• M35: 26,817,961 km (0.097 R)
• M36: 27,867,989 km (0.062 R)
• M37: 28,634,678 km (0.111 R)
• M38: 29,109,801 km (0.117 R)
• M39: 29,467,938 km (0.11 R)
• M40: 29,587,766 km (0.093 R)
• M41: 30,007,986 km (0.093 R)
• M42: 31,647,280 km (0.087 R)
• M43: 33,128,748 km (0.104 R)
• M44: 33,315,595 km (0.059 R)
• M45: 36,158,703 km (0.102 R)
• M46: 36,607,945 km (0.118 R)
• M47: 36,736,749 km (0.068 R)
• M48: 37,447,189 km (0.084 R)
• M49: 38,292,717 km (0.093 R)
• M50: 40,400,700 km (0.08 R)
• M51: 41,000,288 km (0.075 R)
• M52: 42,006,185 km (0.043 R)
• M53: 45,003,378 km (0.117 R)
• M54: 45,902,162 km (0.068 R)
• M55: 46,040,839 km (0.034 R)

Kuiper Belt

Range: 30.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 17,201 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit