🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.57 AU - 0.61 AU

Year: 165 Days

Day: 48 Hours

Environment

Temp: 156 °C

Axial Tilt: 11.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 57,252,795 km

• M1: 138,378 km (0.077 R)
• M2: 337,044 km (0.065 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.08 AU - 1.64 AU

Year: 576 Days

Day: 12 Hours

Environment

Temp: 5 °C

Axial Tilt: 177.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 57,252,795 km

• M1: 64,028 km (0.094 R)
• M2: 562,787 km (0.107 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.35 AU - 2.05 AU

Year: 806 Days

Day: 25.7 Hours

Environment

Temp: -47 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.5

Radius: 10.4

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.83 AU - 6.09 AU

Year: 4637 Days

Day: 9.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 57,252,795 km

• M1: 136,882 km (0.099 R)
• M2: 306,975 km (0.076 R)
• M3: 475,721 km (0.029 R)
• M4: 577,597 km (0.029 R)
• M5: 678,426 km (0.058 R)
• M6: 745,895 km (0.075 R)
• M7: 857,345 km (0.079 R)
• M8: 985,551 km (0.081 R)
• M9: 1,063,491 km (0.093 R)
• M10: 1,262,157 km (0.049 R)
• M11: 1,335,161 km (0.117 R)
• M12: 1,576,313 km (0.068 R)
• M13: 1,668,914 km (0.093 R)
• M14: 2,247,409 km (0.049 R)
• M15: 2,367,237 km (0.081 R)
• M16: 2,473,900 km (0.119 R)
• M17: 2,551,092 km (0.117 R)
• M18: 2,900,553 km (0.064 R)
• M19: 3,505,228 km (0.097 R)
• M20: 3,911,835 km (0.055 R)
• M21: 4,002,192 km (0.101 R)
• M22: 4,075,046 km (0.069 R)
• M23: 4,693,035 km (0.105 R)
• M24: 5,003,301 km (0.11 R)
• M25: 5,101,587 km (0.092 R)
• M26: 5,240,264 km (0.049 R)
• M27: 5,400,483 km (0.086 R)
• M28: 5,562,198 km (0.085 R)
• M29: 5,807,838 km (0.113 R)
• M30: 5,890,566 km (0.096 R)
• M31: 5,973,742 km (0.108 R)
• M32: 7,111,284 km (0.098 R)
• M33: 7,311,147 km (0.119 R)
• M34: 7,535,394 km (0.057 R)
• M35: 7,625,602 km (0.075 R)
• M36: 7,875,879 km (0.11 R)
• M37: 8,713,777 km (0.098 R)
• M38: 8,903,766 km (0.097 R)
• M39: 9,263,848 km (0.028 R)
• M40: 9,531,030 km (0.059 R)
• M41: 9,776,071 km (0.096 R)
• M42: 9,973,540 km (0.086 R)
• M43: 10,981,082 km (0.097 R)
• M44: 11,135,018 km (0.094 R)
• M45: 11,444,985 km (0.12 R)
• M46: 11,548,956 km (0.062 R)
• M47: 12,126,403 km (0.077 R)
• M48: 12,285,576 km (0.062 R)
• M49: 13,501,058 km (0.119 R)
• M50: 13,611,013 km (0.098 R)
• M51: 13,748,792 km (0.119 R)
• M52: 13,887,170 km (0.087 R)
• M53: 14,192,948 km (0.118 R)
• M54: 14,557,219 km (0.059 R)
• M55: 14,981,479 km (0.103 R)
• M56: 15,123,746 km (0.084 R)
• M57: 15,870,988 km (0.059 R)
• M58: 16,630,197 km (0.064 R)
• M59: 16,807,171 km (0.115 R)
• M60: 16,925,353 km (0.098 R)
• M61: 17,073,605 km (0.113 R)
• M62: 17,281,995 km (0.074 R)
• M63: 17,461,063 km (0.054 R)
• M64: 17,851,514 km (0.07 R)
• M65: 17,942,021 km (0.115 R)
• M66: 18,824,648 km (0.096 R)
• M67: 18,978,285 km (0.067 R)
• M68: 19,286,756 km (0.106 R)
• M69: 20,853,943 km (0.098 R)
• M70: 20,981,101 km (0.071 R)
• M71: 21,236,166 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.2

Radius: 10

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.21 AU - 12.01 AU

Year: 11683 Days

Day: 13.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 57,252,795 km

• M1: 181,462 km (0.109 R)
• M2: 251,025 km (0.076 R)
• M3: 598,691 km (0.064 R)
• M4: 922,420 km (0.119 R)
• M5: 1,182,422 km (0.104 R)
• M6: 1,368,821 km (0.101 R)
• M7: 1,615,657 km (0.078 R)
• M8: 1,744,610 km (0.072 R)
• M9: 2,151,965 km (0.119 R)
• M10: 2,237,087 km (0.094 R)
• M11: 2,440,091 km (0.111 R)
• M12: 2,588,791 km (0.103 R)
• M13: 2,771,301 km (0.095 R)
• M14: 2,895,317 km (0.074 R)
• M15: 3,052,993 km (0.034 R)
• M16: 3,246,124 km (0.035 R)
• M17: 3,746,379 km (0.112 R)
• M18: 3,918,567 km (0.102 R)
• M19: 4,058,141 km (0.114 R)
• M20: 4,342,527 km (0.114 R)
• M21: 5,234,130 km (0.049 R)
• M22: 5,426,962 km (0.083 R)
• M23: 5,543,648 km (0.102 R)
• M24: 6,343,847 km (0.071 R)
• M25: 6,508,255 km (0.038 R)
• M26: 6,883,297 km (0.114 R)
• M27: 7,137,314 km (0.05 R)
• M28: 8,228,481 km (0.061 R)
• M29: 8,407,849 km (0.08 R)
• M30: 8,498,057 km (0.075 R)
• M31: 9,231,385 km (0.087 R)
• M32: 9,417,784 km (0.067 R)
• M33: 10,080,353 km (0.086 R)
• M34: 14,252,937 km (0.062 R)
• M35: 14,468,508 km (0.089 R)
• M36: 14,576,817 km (0.095 R)
• M37: 15,177,153 km (0.053 R)
• M38: 15,452,562 km (0.034 R)
• M39: 15,952,668 km (0.088 R)
• M40: 16,232,865 km (0.046 R)
• M41: 17,484,700 km (0.104 R)
• M42: 18,944,775 km (0.064 R)
• M43: 19,420,197 km (0.06 R)
• M44: 20,504,333 km (0.058 R)
• M45: 22,292,028 km (0.092 R)
• M46: 22,542,454 km (0.095 R)
• M47: 22,983,020 km (0.047 R)
• M48: 23,046,300 km (0.061 R)
• M49: 23,808,950 km (0.059 R)
• M50: 24,000,884 km (0.117 R)
• M51: 24,129,089 km (0.098 R)
• M52: 24,193,267 km (0.039 R)
• M53: 24,903,408 km (0.082 R)
• M54: 26,941,230 km (0.081 R)
• M55: 28,284,170 km (0.082 R)
• M56: 29,100,376 km (0.103 R)
• M57: 30,062,291 km (0.086 R)
• M58: 30,339,047 km (0.087 R)
• M59: 30,964,964 km (0.067 R)
• M60: 31,524,759 km (0.076 R)
• M61: 32,087,995 km (0.097 R)
• M62: 32,370,885 km (0.027 R)
• M63: 33,439,014 km (0.061 R)
• M64: 33,582,328 km (0.118 R)
• M65: 33,653,986 km (0.111 R)
• M66: 34,518,661 km (0.09 R)
• M67: 35,171,955 km (0.08 R)
• M68: 39,403,182 km (0.105 R)
• M69: 40,772,451 km (0.095 R)
• M70: 42,777,661 km (0.12 R)
• M71: 43,479,125 km (0.051 R)
• M72: 44,972,710 km (0.049 R)
• M73: 46,243,544 km (0.119 R)
• M74: 46,403,165 km (0.075 R)
• M75: 48,171,711 km (0.113 R)
• M76: 49,064,212 km (0.082 R)
• M77: 49,553,247 km (0.059 R)
• M78: 49,634,928 km (0.087 R)
• M79: 49,716,608 km (0.1 R)
• M80: 50,783,092 km (0.076 R)
• M81: 52,688,370 km (0.119 R)
• M82: 52,855,172 km (0.05 R)
• M83: 52,938,647 km (0.116 R)
• M84: 53,189,373 km (0.082 R)
• M85: 53,440,399 km (0.063 R)
• M86: 54,701,359 km (0.119 R)
• M87: 54,954,778 km (0.077 R)
• M88: 56,483,369 km (0.108 R)

Kuiper Belt

Range: 30.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 19,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit