🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.46 AU - 0.58 AU

Year: 173 Days

Day: 41.5 Hours

Environment

Temp: 3 °C

Axial Tilt: 0.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 44,780,357 km

• M1: 42,785 km (0.07 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.48 AU - 0.64 AU

Year: 193 Days

Day: 39.9 Hours

Environment

Temp: 5 °C

Axial Tilt: 31.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.32 AU - 1.42 AU

Year: 738 Days

Day: 38.2 Hours

Environment

Temp: -105 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.7

Radius: 14.3

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.42 AU - 2.64 AU

Year: 1852 Days

Day: 11.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,780,357 km

• M1: 181,013 km (0.105 R)
• M2: 917,035 km (0.113 R)
• M3: 1,426,565 km (0.096 R)
• M4: 2,344,647 km (0.117 R)
• M5: 3,653,180 km (0.108 R)
• M6: 4,611,953 km (0.06 R)
• M7: 5,276,915 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.9

Radius: 14.8

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.75 AU - 7.15 AU

Year: 7538 Days

Day: 7.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,780,357 km

• M1: 185,801 km (0.119 R)
• M2: 826,827 km (0.098 R)
• M3: 1,387,969 km (0.097 R)
• M4: 2,117,707 km (0.108 R)
• M5: 3,955,069 km (0.107 R)
• M6: 5,077,501 km (0.037 R)
• M7: 6,926,381 km (0.082 R)
• M8: 8,908,404 km (0.103 R)
• M9: 10,073,771 km (0.06 R)
• M10: 11,863,859 km (0.12 R)
• M11: 14,458,485 km (0.035 R)
• M12: 15,363,253 km (0.105 R)
• M13: 25,364,319 km (0.03 R)
• M14: 28,302,421 km (0.042 R)
• M15: 29,270,918 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.3

Radius: 12.5

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.9 AU - 7.06 AU

Year: 8486 Days

Day: 11.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,780,357 km

• M1: 155,432 km (0.046 R)
• M2: 804,388 km (0.038 R)
• M3: 2,026,752 km (0.068 R)
• M4: 2,453,106 km (0.088 R)
• M5: 2,878,113 km (0.074 R)
• M6: 3,467,529 km (0.085 R)
• M7: 4,772,471 km (0.09 R)
• M8: 7,951,127 km (0.094 R)
• M9: 8,628,656 km (0.084 R)
• M10: 10,491,747 km (0.098 R)
• M11: 10,945,478 km (0.114 R)
• M12: 13,355,500 km (0.098 R)
• M13: 13,888,966 km (0.087 R)
• M14: 15,381,354 km (0.066 R)
• M15: 19,728,668 km (0.047 R)
• M16: 20,970,929 km (0.095 R)
• M17: 22,763,560 km (0.089 R)
• M18: 24,479,896 km (0.115 R)
• M19: 25,731,731 km (0.082 R)
• M20: 27,976,148 km (0.095 R)
• M21: 29,344,221 km (0.119 R)
• M22: 37,324,669 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.3

Radius: 7.2

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 8.91 AU - 12.31 AU

Year: 15904 Days

Day: 23.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,780,357 km

• M1: 90,058 km (0.052 R)
• M2: 494,421 km (0.093 R)
• M3: 887,714 km (0.087 R)
• M4: 1,520,662 km (0.04 R)
• M5: 2,587,744 km (0.095 R)
• M6: 3,253,454 km (0.064 R)
• M7: 3,942,502 km (0.077 R)
• M8: 5,085,580 km (0.044 R)
• M9: 5,751,589 km (0.111 R)
• M10: 6,553,883 km (0.1 R)
• M11: 7,213,609 km (0.117 R)
• M12: 9,979,225 km (0.076 R)
• M13: 10,963,878 km (0.105 R)
• M14: 12,192,675 km (0.115 R)
• M15: 12,622,021 km (0.062 R)
• M16: 18,428,962 km (0.095 R)
• M17: 23,469,064 km (0.118 R)
• M18: 23,942,391 km (0.103 R)
• M19: 28,922,504 km (0.118 R)
• M20: 34,795,866 km (0.071 R)
• M21: 43,513,383 km (0.077 R)
• M22: 47,613,861 km (0.1 R)
• M23: 49,913,030 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151

Radius: 7.4

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 10.38 AU - 16.64 AU

Year: 22851 Days

Day: 23.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,780,357 km

• M1: 95,294 km (0.107 R)
• M2: 973,284 km (0.034 R)
• M3: 1,797,418 km (0.082 R)
• M4: 2,931,221 km (0.053 R)
• M5: 3,205,733 km (0.075 R)
• M6: 6,063,650 km (0.068 R)
• M7: 11,473,259 km (0.054 R)
• M8: 14,182,477 km (0.063 R)
• M9: 15,308,350 km (0.068 R)
• M10: 21,671,496 km (0.119 R)
• M11: 24,162,599 km (0.084 R)
• M12: 35,202,773 km (0.095 R)
• M13: 39,136,897 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574.5

Radius: 4.3

Gravity: 31.07 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 13.07 AU - 16.61 AU

Year: 26307 Days

Day: 20.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,780,357 km

• M1: 92,751 km (0.054 R)
• M2: 945,309 km (0.051 R)
• M3: 1,243,607 km (0.054 R)
• M4: 3,203,788 km (0.097 R)
• M5: 3,557,886 km (0.119 R)
• M6: 3,744,584 km (0.094 R)
• M7: 4,069,960 km (0.065 R)
• M8: 7,690,976 km (0.089 R)
• M9: 9,874,806 km (0.071 R)
• M10: 10,750,103 km (0.094 R)
• M11: 11,339,369 km (0.113 R)
• M12: 19,211,957 km (0.097 R)
• M13: 23,804,761 km (0.103 R)
• M14: 24,579,229 km (0.091 R)
• M15: 27,361,899 km (0.109 R)
• M16: 30,090,864 km (0.091 R)
• M17: 39,202,720 km (0.056 R)
• M18: 55,385,470 km (0.097 R)
• M19: 57,923,847 km (0.075 R)
• M20: 64,713,496 km (0.05 R)
• M21: 65,570,841 km (0.05 R)
• M22: 70,648,043 km (0.093 R)
• M23: 78,139,007 km (0.091 R)
• M24: 79,110,944 km (0.091 R)
• M25: 82,827,853 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.5

Radius: 4.5

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 13.89 AU - 16.73 AU

Year: 27567 Days

Day: 21.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,780,357 km

• M1: 59,241 km (0.089 R)
• M2: 229,034 km (0.038 R)
• M3: 636,389 km (0.073 R)
• M4: 2,142,690 km (0.055 R)
• M5: 2,770,702 km (0.097 R)
• M6: 3,275,745 km (0.119 R)
• M7: 5,781,808 km (0.109 R)
• M8: 8,918,277 km (0.104 R)
• M9: 9,382,180 km (0.088 R)
• M10: 17,887,118 km (0.063 R)
• M11: 21,773,521 km (0.119 R)
• M12: 23,386,934 km (0.074 R)
• M13: 28,305,114 km (0.096 R)
• M14: 29,507,133 km (0.102 R)
• M15: 31,373,217 km (0.085 R)
• M16: 31,691,711 km (0.108 R)
• M17: 32,768,815 km (0.119 R)
• M18: 35,914,410 km (0.054 R)
• M19: 41,001,036 km (0.106 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 10,712 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit