🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.84 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.6 AU - 3.76 AU

Year: 2703 Days

Day: 34.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,796,596 km

• M1: 137,630 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.6

Radius: 12.7

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 8.71 AU - 8.93 AU

Year: 10029 Days

Day: 11.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,796,596 km

• M1: 160,219 km (0.097 R)
• M2: 660,624 km (0.057 R)
• M3: 1,287,738 km (0.107 R)
• M4: 2,496,639 km (0.056 R)
• M5: 3,077,378 km (0.103 R)
• M6: 4,104,966 km (0.088 R)
• M7: 4,512,021 km (0.057 R)
• M8: 6,521,121 km (0.078 R)
• M9: 8,529,323 km (0.09 R)
• M10: 9,455,633 km (0.085 R)
• M11: 12,167,692 km (0.068 R)
• M12: 14,472,098 km (0.065 R)
• M13: 17,512,525 km (0.067 R)
• M14: 19,076,870 km (0.063 R)
• M15: 19,713,708 km (0.094 R)
• M16: 21,179,917 km (0.05 R)
• M17: 26,534,474 km (0.111 R)
• M18: 30,567,183 km (0.11 R)
• M19: 33,437,817 km (0.113 R)

Planet 3 - Ice Giant

Semi-Major Axis: 14.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.5

Radius: 7.2

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 13.04 AU - 15.72 AU

Year: 20879 Days

Day: 24.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,796,596 km

• M1: 108,608 km (0.108 R)
• M2: 426,803 km (0.106 R)
• M3: 1,180,477 km (0.067 R)
• M4: 2,021,965 km (0.106 R)
• M5: 2,441,288 km (0.042 R)
• M6: 2,873,476 km (0.093 R)
• M7: 3,355,630 km (0.089 R)
• M8: 3,629,095 km (0.073 R)
• M9: 4,782,046 km (0.072 R)
• M10: 6,727,117 km (0.097 R)
• M11: 8,723,800 km (0.111 R)
• M12: 13,467,399 km (0.114 R)
• M13: 14,483,019 km (0.045 R)
• M14: 15,892,231 km (0.094 R)
• M15: 17,390,603 km (0.073 R)
• M16: 19,771,154 km (0.035 R)
• M17: 20,093,388 km (0.077 R)
• M18: 20,337,382 km (0.085 R)
• M19: 22,798,566 km (0.062 R)
• M20: 37,876,834 km (0.075 R)
• M21: 40,535,787 km (0.065 R)
• M22: 48,521,172 km (0.063 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.3

Radius: 4

Gravity: 45.58 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 11.84 AU - 18.64 AU

Year: 22780 Days

Day: 22.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,796,596 km

• M1: 50,714 km (0.085 R)
• M2: 181,911 km (0.04 R)
• M3: 488,287 km (0.075 R)
• M4: 677,678 km (0.113 R)
• M5: 1,027,289 km (0.114 R)
• M6: 1,869,225 km (0.102 R)
• M7: 2,268,353 km (0.107 R)
• M8: 3,378,219 km (0.103 R)
• M9: 4,304,679 km (0.084 R)
• M10: 6,596,817 km (0.099 R)
• M11: 7,068,799 km (0.105 R)
• M12: 7,512,356 km (0.111 R)
• M13: 8,400,818 km (0.112 R)
• M14: 10,074,220 km (0.09 R)
• M15: 10,509,101 km (0.119 R)
• M16: 11,888,842 km (0.116 R)
• M17: 12,304,126 km (0.095 R)
• M18: 15,324,058 km (0.071 R)
• M19: 24,730,323 km (0.099 R)
• M20: 28,972,919 km (0.051 R)
• M21: 35,776,929 km (0.098 R)
• M22: 36,351,684 km (0.095 R)
• M23: 37,667,098 km (0.047 R)
• M24: 41,645,205 km (0.107 R)
• M25: 42,601,434 km (0.101 R)
• M26: 43,084,935 km (0.055 R)
• M27: 45,557,638 km (0.117 R)
• M28: 47,775,726 km (0.077 R)
• M29: 47,949,259 km (0.086 R)
• M30: 49,707,932 km (0.112 R)
• M31: 55,432,444 km (0.069 R)
• M32: 56,588,835 km (0.119 R)
• M33: 58,551,859 km (0.05 R)
• M34: 67,510,976 km (0.115 R)
• M35: 69,050,787 km (0.111 R)
• M36: 70,839,080 km (0.061 R)
• M37: 71,517,506 km (0.09 R)
• M38: 79,269,069 km (0.042 R)
• M39: 80,000,453 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.5

Radius: 6.3

Gravity: 10.64 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 13.06 AU - 20.94 AU

Year: 26838 Days

Day: 18.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,796,596 km

• M1: 78,389 km (0.081 R)
• M2: 294,409 km (0.067 R)
• M3: 871,707 km (0.112 R)
• M4: 1,099,993 km (0.092 R)
• M5: 1,715,439 km (0.106 R)
• M6: 2,400,896 km (0.082 R)
• M7: 2,609,735 km (0.066 R)
• M8: 3,906,150 km (0.043 R)
• M9: 4,893,047 km (0.089 R)
• M10: 5,307,583 km (0.07 R)
• M11: 5,786,296 km (0.1 R)
• M12: 6,468,911 km (0.09 R)
• M13: 9,339,545 km (0.037 R)
• M14: 11,210,715 km (0.118 R)
• M15: 11,599,819 km (0.116 R)
• M16: 13,246,592 km (0.107 R)
• M17: 19,204,627 km (0.099 R)
• M18: 21,398,330 km (0.12 R)
• M19: 21,596,697 km (0.052 R)
• M20: 22,097,849 km (0.076 R)
• M21: 22,709,555 km (0.117 R)
• M22: 23,860,112 km (0.057 R)
• M23: 33,022,683 km (0.084 R)
• M24: 40,080,561 km (0.08 R)
• M25: 41,603,317 km (0.11 R)
• M26: 45,578,282 km (0.065 R)
• M27: 46,568,471 km (0.074 R)
• M28: 47,236,575 km (0.113 R)
• M29: 51,736,030 km (0.043 R)
• M30: 54,642,268 km (0.113 R)
• M31: 59,007,833 km (0.072 R)
• M32: 59,986,801 km (0.048 R)
• M33: 69,723,229 km (0.104 R)
• M34: 71,037,297 km (0.111 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 15,016 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit