🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.97 AU - 1.41 AU

Year: 469 Days

Day: 20.9 Hours

Environment

Temp: 12 °C

Axial Tilt: 4.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 93,748,432 km

• M1: 56,398 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.44 AU - 1.54 AU

Year: 658 Days

Day: 47.2 Hours

Environment

Temp: -35 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.3

Radius: 10.7

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.54 AU - 6.58 AU

Year: 4741 Days

Day: 9.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 93,748,432 km

• M1: 134,189 km (0.109 R)
• M2: 532,568 km (0.073 R)
• M3: 1,469,799 km (0.074 R)
• M4: 1,874,761 km (0.071 R)
• M5: 2,952,164 km (0.094 R)
• M6: 4,477,464 km (0.099 R)
• M7: 5,872,614 km (0.047 R)
• M8: 9,669,109 km (0.091 R)
• M9: 10,642,692 km (0.117 R)
• M10: 12,629,651 km (0.099 R)
• M11: 15,490,710 km (0.077 R)
• M12: 17,451,639 km (0.061 R)
• M13: 19,572,787 km (0.053 R)
• M14: 20,410,834 km (0.062 R)
• M15: 25,865,921 km (0.084 R)
• M16: 27,735,744 km (0.079 R)
• M17: 31,268,947 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.7

Radius: 14.4

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.47 AU - 6.95 AU

Year: 6286 Days

Day: 9.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 93,748,432 km

• M1: 185,950 km (0.116 R)
• M2: 794,514 km (0.061 R)
• M3: 1,242,560 km (0.1 R)
• M4: 1,729,501 km (0.099 R)
• M5: 2,431,265 km (0.115 R)
• M6: 3,073,638 km (0.068 R)
• M7: 3,594,837 km (0.116 R)
• M8: 5,054,613 km (0.042 R)
• M9: 5,681,129 km (0.101 R)
• M10: 6,275,032 km (0.063 R)
• M11: 7,305,313 km (0.12 R)
• M12: 7,943,198 km (0.104 R)
• M13: 9,005,193 km (0.109 R)
• M14: 13,548,182 km (0.099 R)
• M15: 14,218,829 km (0.067 R)
• M16: 15,012,446 km (0.118 R)
• M17: 18,139,191 km (0.075 R)
• M18: 19,733,455 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341

Radius: 15

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 11.04 AU - 12.5 AU

Year: 14603 Days

Day: 6.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 93,748,432 km

• M1: 186,848 km (0.103 R)
• M2: 712,385 km (0.044 R)
• M3: 1,528,292 km (0.062 R)
• M4: 2,169,468 km (0.106 R)
• M5: 3,643,007 km (0.115 R)
• M6: 4,714,726 km (0.086 R)
• M7: 16,966,343 km (0.117 R)
• M8: 17,620,984 km (0.081 R)
• M9: 26,750,792 km (0.075 R)
• M10: 30,313,166 km (0.075 R)
• M11: 34,642,529 km (0.099 R)
• M12: 37,015,300 km (0.04 R)
• M13: 44,096,516 km (0.111 R)
• M14: 45,335,186 km (0.042 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.1

Radius: 7.5

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 15.66 AU - 17.06 AU

Year: 23931 Days

Day: 16 Hours

Environment

Temp: -203 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 93,748,432 km

• M1: 93,349 km (0.067 R)
• M2: 348,114 km (0.102 R)
• M3: 706,700 km (0.066 R)
• M4: 1,458,878 km (0.04 R)
• M5: 2,068,639 km (0.063 R)
• M6: 2,968,919 km (0.116 R)
• M7: 4,850,113 km (0.11 R)
• M8: 5,194,188 km (0.111 R)
• M9: 10,443,278 km (0.099 R)
• M10: 13,680,127 km (0.117 R)
• M11: 14,059,657 km (0.108 R)
• M12: 15,240,433 km (0.114 R)
• M13: 30,121,980 km (0.107 R)
• M14: 33,426,298 km (0.11 R)
• M15: 36,527,312 km (0.058 R)
• M16: 42,970,343 km (0.114 R)
• M17: 48,710,114 km (0.072 R)
• M18: 52,684,331 km (0.116 R)
• M19: 56,674,555 km (0.089 R)
• M20: 57,653,374 km (0.093 R)
• M21: 62,509,470 km (0.066 R)
• M22: 63,135,089 km (0.056 R)
• M23: 65,036,777 km (0.111 R)
• M24: 66,542,030 km (0.115 R)
• M25: 73,488,009 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.1

Radius: 6.8

Gravity: 19.42 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 17.24 AU - 20.7 AU

Year: 29881 Days

Day: 16.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 93,748,432 km

• M1: 85,869 km (0.085 R)
• M2: 302,038 km (0.088 R)
• M3: 750,981 km (0.09 R)
• M4: 2,177,846 km (0.092 R)
• M5: 3,419,359 km (0.115 R)
• M6: 3,887,151 km (0.071 R)
• M7: 5,728,252 km (0.054 R)
• M8: 6,535,632 km (0.097 R)
• M9: 10,396,304 km (0.102 R)
• M10: 13,274,717 km (0.119 R)
• M11: 14,007,297 km (0.11 R)
• M12: 18,178,086 km (0.086 R)
• M13: 18,877,755 km (0.071 R)
• M14: 20,544,276 km (0.115 R)
• M15: 21,413,140 km (0.071 R)
• M16: 23,340,709 km (0.097 R)
• M17: 23,810,595 km (0.086 R)
• M18: 32,500,885 km (0.08 R)
• M19: 34,734,082 km (0.065 R)
• M20: 35,965,871 km (0.106 R)
• M21: 37,067,510 km (0.115 R)
• M22: 40,675,811 km (0.03 R)
• M23: 42,564,783 km (0.092 R)
• M24: 52,290,440 km (0.116 R)
• M25: 54,934,283 km (0.072 R)
• M26: 57,879,566 km (0.11 R)
• M27: 62,943,902 km (0.098 R)
• M28: 68,775,078 km (0.044 R)
• M29: 74,195,607 km (0.094 R)
• M30: 83,942,208 km (0.087 R)
• M31: 85,877,256 km (0.09 R)
• M32: 88,408,751 km (0.12 R)
• M33: 94,508,006 km (0.103 R)
• M34: 96,300,787 km (0.079 R)
• M35: 97,508,491 km (0.113 R)
• M36: 100,262,737 km (0.074 R)
• M37: 104,967,740 km (0.099 R)
• M38: 105,925,914 km (0.048 R)
• M39: 108,835,892 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.6

Radius: 7.1

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 17.81 AU - 21.41 AU

Year: 31406 Days

Day: 22.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 93,748,432 km

• M1: 88,263 km (0.052 R)
• M2: 540,348 km (0.093 R)
• M3: 1,140,983 km (0.04 R)
• M4: 1,715,588 km (0.114 R)
• M5: 2,348,986 km (0.055 R)
• M6: 4,173,182 km (0.057 R)
• M7: 4,871,056 km (0.085 R)
• M8: 5,644,178 km (0.08 R)
• M9: 7,534,946 km (0.034 R)
• M10: 8,509,725 km (0.079 R)
• M11: 16,448,585 km (0.109 R)
• M12: 17,708,798 km (0.062 R)
• M13: 20,726,187 km (0.117 R)
• M14: 33,468,784 km (0.066 R)
• M15: 35,046,742 km (0.058 R)
• M16: 40,557,030 km (0.061 R)
• M17: 59,453,784 km (0.029 R)
• M18: 64,132,906 km (0.1 R)
• M19: 93,187,655 km (0.07 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 15,073 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit