🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.01 AU - 1.07 AU

Year: 389 Days

Day: 14.8 Hours

Environment

Temp: 19 °C

Axial Tilt: 0.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1 AU - 1.42 AU

Year: 489 Days

Day: 22.8 Hours

Environment

Temp: -12 °C

Axial Tilt: 13.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.31 AU - 1.77 AU

Year: 702 Days

Day: 15 Hours

Environment

Temp: -33 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.18 AU - 3.04 AU

Year: 1548 Days

Day: 14.5 Hours

Environment

Temp: -102 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.23 AU - 5.39 AU

Year: 3285 Days

Day: 44.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,356,460 km

• M1: 145,110 km (0.083 R)

Asteroid Belt

Center: 4.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.7

Radius: 11.1

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.14 AU - 6.7 AU

Year: 4632 Days

Day: 5.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,356,460 km

• M1: 138,528 km (0.088 R)
• M2: 728,691 km (0.093 R)
• M3: 1,111,363 km (0.072 R)
• M4: 2,324,901 km (0.106 R)
• M5: 3,205,284 km (0.103 R)
• M6: 4,478,960 km (0.109 R)
• M7: 4,863,277 km (0.099 R)
• M8: 5,243,405 km (0.11 R)
• M9: 8,310,311 km (0.089 R)
• M10: 8,930,245 km (0.042 R)
• M11: 14,015,077 km (0.116 R)
• M12: 15,320,168 km (0.052 R)
• M13: 16,647,700 km (0.113 R)
• M14: 17,574,309 km (0.093 R)
• M15: 18,719,032 km (0.091 R)
• M16: 21,763,349 km (0.065 R)
• M17: 23,582,010 km (0.069 R)
• M18: 24,381,162 km (0.116 R)
• M19: 24,899,070 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.2

Radius: 9.1

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.68 AU - 6.16 AU

Year: 4632 Days

Day: 6.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,356,460 km

• M1: 113,246 km (0.069 R)
• M2: 482,004 km (0.099 R)
• M3: 771,327 km (0.03 R)
• M4: 1,737,130 km (0.113 R)
• M5: 2,217,340 km (0.102 R)
• M6: 2,677,353 km (0.113 R)
• M7: 3,486,079 km (0.101 R)
• M8: 4,424,207 km (0.048 R)
• M9: 4,965,602 km (0.117 R)
• M10: 5,996,182 km (0.11 R)
• M11: 6,992,653 km (0.101 R)
• M12: 8,133,038 km (0.1 R)
• M13: 9,147,461 km (0.054 R)
• M14: 9,685,265 km (0.069 R)
• M15: 10,733,348 km (0.077 R)
• M16: 11,145,341 km (0.115 R)
• M17: 11,615,377 km (0.119 R)
• M18: 13,105,222 km (0.118 R)
• M19: 14,275,975 km (0.102 R)
• M20: 16,885,560 km (0.079 R)
• M21: 23,637,212 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.8

Radius: 7

Gravity: 13.71 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 11.71 AU - 13.21 AU

Year: 16145 Days

Day: 18.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,356,460 km

• M1: 87,066 km (0.026 R)
• M2: 312,360 km (0.103 R)
• M3: 958,324 km (0.117 R)
• M4: 1,570,628 km (0.108 R)
• M5: 2,460,735 km (0.089 R)
• M6: 3,483,835 km (0.075 R)
• M7: 4,799,249 km (0.12 R)
• M8: 6,499,728 km (0.071 R)
• M9: 8,667,850 km (0.057 R)
• M10: 13,461,714 km (0.103 R)
• M11: 16,067,111 km (0.1 R)
• M12: 16,688,690 km (0.096 R)
• M13: 20,758,949 km (0.085 R)
• M14: 25,654,688 km (0.079 R)
• M15: 26,289,432 km (0.069 R)
• M16: 28,256,644 km (0.112 R)
• M17: 39,860,203 km (0.097 R)
• M18: 40,426,281 km (0.08 R)
• M19: 44,540,522 km (0.075 R)
• M20: 45,150,133 km (0.03 R)
• M21: 45,765,429 km (0.061 R)
• M22: 49,574,490 km (0.114 R)
• M23: 53,933,623 km (0.112 R)
• M24: 61,315,829 km (0.105 R)
• M25: 65,541,520 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.6

Radius: 4

Gravity: 14.41 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 14.51 AU - 16.13 AU

Year: 22012 Days

Day: 19.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,356,460 km

• M1: 49,816 km (0.066 R)
• M2: 204,500 km (0.12 R)
• M3: 579,393 km (0.107 R)
• M4: 1,327,532 km (0.076 R)
• M5: 2,207,317 km (0.098 R)
• M6: 4,021,041 km (0.1 R)
• M7: 4,754,370 km (0.075 R)
• M8: 5,572,820 km (0.093 R)
• M9: 8,253,913 km (0.072 R)
• M10: 17,541,996 km (0.117 R)
• M11: 25,586,472 km (0.059 R)
• M12: 27,320,012 km (0.106 R)
• M13: 35,906,930 km (0.1 R)
• M14: 44,667,231 km (0.088 R)
• M15: 47,323,042 km (0.092 R)
• M16: 48,536,431 km (0.084 R)
• M17: 54,418,769 km (0.103 R)
• M18: 54,584,074 km (0.117 R)
• M19: 55,248,438 km (0.088 R)
• M20: 56,254,933 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.6

Radius: 6.9

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 14.59 AU - 19.63 AU

Year: 25981 Days

Day: 23.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,356,460 km

• M1: 91,105 km (0.062 R)
• M2: 471,682 km (0.058 R)
• M3: 1,726,509 km (0.078 R)
• M4: 2,547,502 km (0.086 R)
• M5: 2,896,514 km (0.103 R)
• M6: 4,294,955 km (0.098 R)
• M7: 4,756,165 km (0.117 R)
• M8: 7,204,633 km (0.112 R)
• M9: 9,987,902 km (0.069 R)
• M10: 12,154,528 km (0.053 R)
• M11: 16,352,094 km (0.074 R)
• M12: 17,148,105 km (0.083 R)
• M13: 25,721,110 km (0.1 R)
• M14: 55,781,605 km (0.107 R)
• M15: 62,820,783 km (0.104 R)
• M16: 63,788,831 km (0.043 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: 492 - 12,845 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit