🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.53 AU - 0.57 AU

Year: 173 Days

Day: 23.7 Hours

Environment

Temp: 129 °C

Axial Tilt: 41.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,604,521 km

• M1: 64,626 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.57 AU - 0.81 AU

Year: 243 Days

Day: 44 Hours

Environment

Temp: 10 °C

Axial Tilt: 34.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 73,604,521 km

• M1: 128,205 km (0.094 R)
• M2: 591,660 km (0.038 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.64 AU - 0.94 AU

Year: 298 Days

Day: 38.5 Hours

Environment

Temp: -13 °C

Axial Tilt: 8.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.97 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.4

Radius: 9.4

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3 AU - 3.28 AU

Year: 2362 Days

Day: 10.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,604,521 km

• M1: 116,836 km (0.12 R)
• M2: 412,441 km (0.065 R)
• M3: 712,834 km (0.076 R)
• M4: 1,161,328 km (0.119 R)
• M5: 1,508,695 km (0.112 R)
• M6: 1,883,886 km (0.101 R)
• M7: 2,406,431 km (0.067 R)
• M8: 2,994,201 km (0.078 R)
• M9: 3,495,504 km (0.056 R)
• M10: 4,965,453 km (0.115 R)
• M11: 6,198,139 km (0.051 R)
• M12: 6,734,447 km (0.094 R)
• M13: 7,169,777 km (0.079 R)
• M14: 8,182,405 km (0.099 R)
• M15: 11,429,726 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363

Radius: 14.4

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.77 AU - 6.09 AU

Year: 5372 Days

Day: 13 Hours

Environment

Temp: -161 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,604,521 km

• M1: 206,894 km (0.06 R)
• M2: 737,817 km (0.09 R)
• M3: 1,366,726 km (0.099 R)
• M4: 2,754,994 km (0.082 R)
• M5: 3,437,909 km (0.098 R)
• M6: 3,968,832 km (0.076 R)
• M7: 5,094,555 km (0.091 R)
• M8: 6,013,984 km (0.07 R)
• M9: 6,666,081 km (0.063 R)
• M10: 7,267,016 km (0.093 R)
• M11: 7,766,673 km (0.098 R)
• M12: 8,724,398 km (0.111 R)
• M13: 9,719,822 km (0.028 R)
• M14: 10,369,227 km (0.119 R)
• M15: 11,004,120 km (0.102 R)
• M16: 13,310,171 km (0.057 R)
• M17: 16,883,616 km (0.098 R)
• M18: 21,321,736 km (0.054 R)
• M19: 22,982,870 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488

Radius: 8.4

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.88 AU - 10.44 AU

Year: 10821 Days

Day: 12.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 73,604,521 km

• M1: 104,569 km (0.105 R)
• M2: 545,583 km (0.097 R)
• M3: 1,678,488 km (0.073 R)
• M4: 2,187,270 km (0.098 R)
• M5: 2,535,834 km (0.109 R)
• M6: 2,816,030 km (0.067 R)
• M7: 3,633,882 km (0.028 R)
• M8: 4,344,771 km (0.078 R)
• M9: 5,833,419 km (0.057 R)
• M10: 6,325,148 km (0.113 R)
• M11: 7,717,305 km (0.074 R)
• M12: 8,052,554 km (0.103 R)
• M13: 8,397,377 km (0.1 R)
• M14: 9,396,990 km (0.108 R)
• M15: 10,172,356 km (0.118 R)
• M16: 11,147,585 km (0.113 R)
• M17: 12,071,950 km (0.115 R)
• M18: 13,164,463 km (0.105 R)
• M19: 16,352,842 km (0.068 R)
• M20: 18,272,333 km (0.075 R)
• M21: 19,478,092 km (0.1 R)
• M22: 20,416,669 km (0.119 R)
• M23: 21,385,016 km (0.103 R)
• M24: 21,714,580 km (0.058 R)
• M25: 22,299,358 km (0.1 R)
• M26: 24,116,673 km (0.068 R)
• M27: 25,566,127 km (0.112 R)
• M28: 29,645,810 km (0.077 R)
• M29: 34,589,720 km (0.049 R)
• M30: 35,964,375 km (0.101 R)
• M31: 36,900,858 km (0.077 R)
• M32: 42,994,428 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.2

Radius: 9.4

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.28 AU - 10.66 AU

Year: 13366 Days

Day: 14.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,604,521 km

• M1: 121,773 km (0.101 R)
• M2: 466,446 km (0.099 R)
• M3: 917,783 km (0.095 R)
• M4: 1,276,668 km (0.061 R)
• M5: 1,879,996 km (0.089 R)
• M6: 2,306,650 km (0.086 R)
• M7: 3,815,494 km (0.082 R)
• M8: 5,414,396 km (0.095 R)
• M9: 6,009,346 km (0.094 R)
• M10: 7,779,388 km (0.079 R)
• M11: 10,990,806 km (0.068 R)
• M12: 11,342,211 km (0.092 R)
• M13: 13,344,579 km (0.104 R)
• M14: 18,443,622 km (0.116 R)
• M15: 21,287,179 km (0.088 R)
• M16: 25,618,336 km (0.103 R)
• M17: 26,341,043 km (0.118 R)
• M18: 28,261,731 km (0.091 R)
• M19: 30,273,971 km (0.099 R)
• M20: 38,202,359 km (0.115 R)
• M21: 38,874,353 km (0.114 R)
• M22: 42,353,700 km (0.1 R)
• M23: 44,834,631 km (0.037 R)
• M24: 52,856,817 km (0.091 R)
• M25: 55,386,517 km (0.031 R)
• M26: 56,247,453 km (0.078 R)
• M27: 59,960,771 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 68.8

Radius: 3.2

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 12.33 AU - 14.15 AU

Year: 20455 Days

Day: 22.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,604,521 km

• M1: 39,793 km (0.05 R)
• M2: 266,883 km (0.06 R)
• M3: 386,411 km (0.064 R)
• M4: 753,524 km (0.085 R)
• M5: 3,074,087 km (0.118 R)
• M6: 3,553,398 km (0.067 R)
• M7: 4,207,739 km (0.113 R)
• M8: 4,469,236 km (0.058 R)
• M9: 25,837,347 km (0.114 R)
• M10: 26,359,145 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 330.9

Radius: 6.4

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 15.4 AU - 16.76 AU

Year: 27378 Days

Day: 17 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,604,521 km

• M1: 93,199 km (0.118 R)
• M2: 313,108 km (0.074 R)
• M3: 1,187,508 km (0.054 R)
• M4: 1,872,816 km (0.054 R)
• M5: 2,227,811 km (0.106 R)
• M6: 2,534,338 km (0.087 R)
• M7: 3,925,897 km (0.073 R)
• M8: 7,811,103 km (0.105 R)
• M9: 9,436,634 km (0.107 R)
• M10: 10,537,524 km (0.111 R)
• M11: 11,465,181 km (0.076 R)
• M12: 12,312,354 km (0.05 R)
• M13: 15,411,573 km (0.115 R)
• M14: 16,120,367 km (0.077 R)
• M15: 16,361,370 km (0.106 R)
• M16: 17,265,689 km (0.104 R)
• M17: 20,552,204 km (0.101 R)
• M18: 24,868,851 km (0.102 R)
• M19: 25,515,413 km (0.092 R)
• M20: 27,067,790 km (0.116 R)
• M21: 33,385,308 km (0.098 R)
• M22: 35,510,495 km (0.113 R)
• M23: 37,162,505 km (0.097 R)
• M24: 41,065,513 km (0.12 R)
• M25: 46,357,837 km (0.081 R)
• M26: 47,831,226 km (0.062 R)
• M27: 48,830,690 km (0.089 R)
• M28: 53,500,836 km (0.108 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 13,712 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit