🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.69 AU - 0.97 AU

Year: 317 Days

Day: 19.1 Hours

Environment

Temp: -15 °C

Axial Tilt: 32.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 90,767,447 km

• M1: 24,235 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.72 AU - 1.06 AU

Year: 352 Days

Day: 15.7 Hours

Environment

Temp: -42 °C

Axial Tilt: 75.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.02 AU - 1.06 AU

Year: 444 Days

Day: 29.9 Hours

Environment

Temp: -52 °C

Axial Tilt: 49.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 90,767,447 km

• M1: 276,906 km (0.098 R)
• M2: 305,180 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.88 AU - 2.56 AU

Year: 1386 Days

Day: 39.8 Hours

Environment

Temp: -108 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,767,447 km

• M1: 353,949 km (0.112 R)

Asteroid Belt

Center: 2.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.3

Radius: 11.2

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.79 AU - 4.31 AU

Year: 2802 Days

Day: 12 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,767,447 km

• M1: 139,425 km (0.081 R)
• M2: 787,334 km (0.045 R)
• M3: 1,230,742 km (0.076 R)
• M4: 2,025,256 km (0.119 R)
• M5: 2,866,295 km (0.084 R)
• M6: 3,488,323 km (0.034 R)
• M7: 3,964,344 km (0.118 R)
• M8: 4,400,721 km (0.098 R)
• M9: 4,935,533 km (0.049 R)
• M10: 5,417,836 km (0.119 R)
• M11: 5,956,688 km (0.069 R)
• M12: 6,721,432 km (0.111 R)
• M13: 7,461,643 km (0.085 R)
• M14: 8,036,398 km (0.071 R)
• M15: 9,655,346 km (0.096 R)
• M16: 10,597,812 km (0.07 R)
• M17: 13,396,190 km (0.084 R)
• M18: 15,466,475 km (0.081 R)
• M19: 17,478,716 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.9

Radius: 9.5

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.49 AU - 6.09 AU

Year: 5837 Days

Day: 14.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 90,767,447 km

• M1: 119,230 km (0.108 R)
• M2: 457,321 km (0.102 R)
• M3: 1,290,282 km (0.063 R)
• M4: 1,692,999 km (0.072 R)
• M5: 2,083,898 km (0.04 R)
• M6: 2,851,036 km (0.093 R)
• M7: 3,564,468 km (0.098 R)
• M8: 4,061,732 km (0.114 R)
• M9: 4,823,933 km (0.055 R)
• M10: 5,195,235 km (0.084 R)
• M11: 6,027,897 km (0.054 R)
• M12: 7,054,587 km (0.09 R)
• M13: 7,762,634 km (0.072 R)
• M14: 9,628,119 km (0.041 R)
• M15: 10,832,980 km (0.074 R)
• M16: 11,173,914 km (0.034 R)
• M17: 13,206,201 km (0.079 R)
• M18: 14,869,131 km (0.079 R)
• M19: 15,719,894 km (0.112 R)
• M20: 16,796,251 km (0.113 R)
• M21: 17,451,938 km (0.092 R)
• M22: 17,988,695 km (0.091 R)
• M23: 18,954,499 km (0.109 R)
• M24: 20,100,120 km (0.09 R)
• M25: 20,689,984 km (0.034 R)
• M26: 24,557,687 km (0.099 R)
• M27: 24,977,608 km (0.092 R)
• M28: 26,793,727 km (0.046 R)
• M29: 27,238,780 km (0.103 R)
• M30: 30,590,371 km (0.053 R)
• M31: 31,174,551 km (0.103 R)
• M32: 32,264,670 km (0.06 R)
• M33: 34,416,187 km (0.044 R)
• M34: 35,902,591 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.6

Radius: 13.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 7.99 AU - 10.91 AU

Year: 12171 Days

Day: 9.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,767,447 km

• M1: 174,581 km (0.077 R)
• M2: 1,183,469 km (0.116 R)
• M3: 2,106,787 km (0.074 R)
• M4: 4,249,477 km (0.105 R)
• M5: 4,938,375 km (0.071 R)
• M6: 7,346,153 km (0.119 R)
• M7: 10,070,330 km (0.099 R)
• M8: 11,044,661 km (0.094 R)
• M9: 15,900,309 km (0.118 R)
• M10: 16,485,985 km (0.085 R)
• M11: 17,357,243 km (0.115 R)
• M12: 19,338,218 km (0.099 R)
• M13: 22,995,885 km (0.115 R)
• M14: 23,577,522 km (0.09 R)
• M15: 33,417,472 km (0.095 R)
• M16: 34,921,977 km (0.065 R)
• M17: 36,471,063 km (0.109 R)
• M18: 37,949,988 km (0.116 R)
• M19: 38,762,903 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.3

Radius: 7.5

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 11.55 AU - 13.83 AU

Year: 18940 Days

Day: 15.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 90,767,447 km

• M1: 94,845 km (0.061 R)
• M2: 338,390 km (0.095 R)
• M3: 648,806 km (0.12 R)
• M4: 1,934,749 km (0.069 R)
• M5: 2,728,516 km (0.11 R)
• M6: 3,516,747 km (0.075 R)
• M7: 4,389,501 km (0.093 R)
• M8: 5,922,430 km (0.093 R)
• M9: 6,594,274 km (0.091 R)
• M10: 6,948,821 km (0.106 R)
• M11: 9,155,090 km (0.088 R)
• M12: 14,626,034 km (0.106 R)
• M13: 18,191,251 km (0.117 R)
• M14: 19,364,397 km (0.103 R)
• M15: 20,092,041 km (0.108 R)
• M16: 22,034,270 km (0.072 R)
• M17: 28,607,002 km (0.095 R)
• M18: 31,499,178 km (0.069 R)
• M19: 32,731,416 km (0.089 R)
• M20: 35,891,521 km (0.059 R)
• M21: 37,359,226 km (0.065 R)
• M22: 41,202,545 km (0.103 R)
• M23: 46,870,060 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.5

Radius: 7.1

Gravity: 10.64 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 14.42 AU - 19.64 AU

Year: 29445 Days

Day: 23.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 90,767,447 km

• M1: 107,860 km (0.039 R)
• M2: 376,388 km (0.036 R)
• M3: 952,340 km (0.037 R)
• M4: 1,177,335 km (0.058 R)
• M5: 1,953,599 km (0.051 R)
• M6: 2,895,616 km (0.113 R)
• M7: 3,466,931 km (0.082 R)
• M8: 3,779,590 km (0.075 R)
• M9: 5,303,544 km (0.112 R)
• M10: 6,383,790 km (0.101 R)
• M11: 6,806,554 km (0.071 R)
• M12: 8,187,342 km (0.092 R)
• M13: 16,012,956 km (0.101 R)
• M14: 16,969,934 km (0.087 R)
• M15: 17,507,738 km (0.105 R)
• M16: 18,242,413 km (0.095 R)
• M17: 20,670,686 km (0.078 R)
• M18: 24,307,859 km (0.113 R)
• M19: 26,755,130 km (0.089 R)
• M20: 29,877,238 km (0.086 R)
• M21: 33,233,915 km (0.041 R)
• M22: 35,074,866 km (0.101 R)
• M23: 36,536,587 km (0.118 R)
• M24: 37,734,717 km (0.093 R)
• M25: 43,618,700 km (0.037 R)
• M26: 46,342,129 km (0.057 R)
• M27: 54,412,037 km (0.104 R)
• M28: 55,189,048 km (0.04 R)
• M29: 55,776,669 km (0.081 R)
• M30: 61,883,553 km (0.078 R)
• M31: 62,942,855 km (0.086 R)
• M32: 68,421,429 km (0.046 R)
• M33: 77,344,343 km (0.093 R)
• M34: 78,326,453 km (0.111 R)
• M35: 80,064,930 km (0.093 R)
• M36: 80,315,357 km (0.112 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 14,809 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit