🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.5 AU - 0.82 AU

Year: 203 Days

Day: 37.5 Hours

Environment

Temp: 123 °C

Axial Tilt: 8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.2 AU - 3.6 AU

Year: 2374 Days

Day: 32.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 26,894,547 km

• M1: 36,951 km (0.105 R)
• M2: 200,910 km (0.116 R)

Asteroid Belt

Center: 3.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.3

Radius: 14.5

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.41 AU - 5.23 AU

Year: 3401 Days

Day: 12.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,894,547 km

• M1: 180,864 km (0.09 R)
• M2: 721,660 km (0.117 R)
• M3: 1,212,940 km (0.109 R)
• M4: 1,763,759 km (0.087 R)
• M5: 2,686,628 km (0.075 R)
• M6: 5,273,923 km (0.036 R)
• M7: 6,443,180 km (0.07 R)
• M8: 6,963,182 km (0.059 R)
• M9: 9,758,568 km (0.111 R)
• M10: 10,908,527 km (0.032 R)
• M11: 11,649,635 km (0.118 R)
• M12: 12,517,452 km (0.104 R)
• M13: 13,724,557 km (0.036 R)
• M14: 15,925,441 km (0.071 R)
• M15: 16,426,145 km (0.101 R)
• M16: 17,052,362 km (0.096 R)
• M17: 18,535,027 km (0.04 R)
• M18: 19,089,287 km (0.083 R)
• M19: 19,591,337 km (0.106 R)
• M20: 22,234,881 km (0.06 R)
• M21: 23,142,940 km (0.035 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.5

Radius: 8.6

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.93 AU - 5.55 AU

Year: 4543 Days

Day: 11.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 26,894,547 km

• M1: 145,708 km (0.119 R)
• M2: 495,767 km (0.048 R)
• M3: 830,268 km (0.114 R)
• M4: 1,135,597 km (0.042 R)
• M5: 1,440,478 km (0.062 R)
• M6: 1,825,543 km (0.079 R)
• M7: 2,219,733 km (0.058 R)
• M8: 2,539,873 km (0.065 R)
• M9: 3,236,400 km (0.088 R)
• M10: 4,098,682 km (0.117 R)
• M11: 4,464,748 km (0.064 R)
• M12: 4,902,621 km (0.095 R)
• M13: 5,449,551 km (0.112 R)
• M14: 6,603,100 km (0.094 R)
• M15: 7,502,333 km (0.108 R)
• M16: 8,554,006 km (0.051 R)
• M17: 9,661,180 km (0.099 R)
• M18: 10,105,187 km (0.039 R)
• M19: 10,394,808 km (0.114 R)
• M20: 11,252,901 km (0.074 R)
• M21: 11,972,617 km (0.115 R)
• M22: 14,110,520 km (0.047 R)
• M23: 14,524,906 km (0.045 R)
• M24: 15,000,777 km (0.06 R)
• M25: 15,269,604 km (0.107 R)
• M26: 19,189,966 km (0.049 R)
• M27: 19,570,693 km (0.094 R)
• M28: 20,086,357 km (0.074 R)
• M29: 21,756,018 km (0.075 R)
• M30: 22,239,668 km (0.096 R)
• M31: 23,588,592 km (0.077 R)
• M32: 24,915,974 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.1

Radius: 8.6

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.39 AU - 6.35 AU

Year: 5386 Days

Day: 11.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 26,894,547 km

• M1: 107,112 km (0.087 R)
• M2: 409,449 km (0.049 R)
• M3: 709,393 km (0.088 R)
• M4: 1,085,183 km (0.039 R)
• M5: 1,414,747 km (0.115 R)
• M6: 2,940,197 km (0.033 R)
• M7: 4,066,519 km (0.102 R)
• M8: 5,722,268 km (0.11 R)
• M9: 6,600,856 km (0.081 R)
• M10: 7,038,131 km (0.115 R)
• M11: 8,159,068 km (0.115 R)
• M12: 8,427,895 km (0.115 R)
• M13: 8,862,178 km (0.089 R)
• M14: 9,562,894 km (0.03 R)
• M15: 12,034,550 km (0.094 R)
• M16: 12,534,955 km (0.114 R)
• M17: 14,229,749 km (0.119 R)
• M18: 15,656,315 km (0.095 R)
• M19: 17,175,780 km (0.113 R)
• M20: 17,810,225 km (0.082 R)
• M21: 18,857,709 km (0.09 R)
• M22: 19,738,691 km (0.114 R)
• M23: 21,364,072 km (0.116 R)
• M24: 23,849,192 km (0.07 R)
• M25: 26,857,605 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.3

Radius: 9

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.71 AU - 7.33 AU

Year: 6306 Days

Day: 5.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 26,894,547 km

• M1: 116,238 km (0.115 R)
• M2: 416,181 km (0.084 R)
• M3: 840,590 km (0.055 R)
• M4: 1,236,875 km (0.113 R)
• M5: 1,580,053 km (0.07 R)
• M6: 2,701,289 km (0.086 R)
• M7: 4,581,285 km (0.073 R)
• M8: 4,865,820 km (0.068 R)
• M9: 7,625,153 km (0.117 R)
• M10: 9,773,378 km (0.059 R)
• M11: 10,467,363 km (0.047 R)
• M12: 10,826,398 km (0.086 R)
• M13: 11,380,508 km (0.043 R)
• M14: 11,904,999 km (0.097 R)
• M15: 12,197,762 km (0.087 R)
• M16: 14,604,941 km (0.1 R)
• M17: 17,688,452 km (0.085 R)
• M18: 19,516,538 km (0.093 R)
• M19: 19,924,043 km (0.043 R)
• M20: 21,180,964 km (0.088 R)
• M21: 22,489,796 km (0.047 R)
• M22: 24,084,060 km (0.105 R)
• M23: 24,631,738 km (0.065 R)
• M24: 28,180,648 km (0.075 R)
• M25: 28,964,242 km (0.104 R)
• M26: 30,121,830 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65

Radius: 9.3

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.22 AU - 11.78 AU

Year: 11090 Days

Day: 12.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,894,547 km

• M1: 115,789 km (0.103 R)
• M2: 484,248 km (0.101 R)
• M3: 1,031,777 km (0.104 R)
• M4: 1,745,658 km (0.075 R)
• M5: 4,014,758 km (0.109 R)
• M6: 4,364,368 km (0.117 R)
• M7: 11,091,934 km (0.114 R)
• M8: 12,094,389 km (0.054 R)
• M9: 13,156,235 km (0.084 R)
• M10: 13,685,512 km (0.037 R)
• M11: 20,099,820 km (0.117 R)
• M12: 21,454,579 km (0.082 R)
• M13: 22,053,419 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 17.6

Radius: 6.3

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 13.44 AU - 20.28 AU

Year: 26220 Days

Day: 20.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,894,547 km

• M1: 78,389 km (0.11 R)
• M2: 383,868 km (0.093 R)
• M3: 1,208,452 km (0.079 R)
• M4: 2,166,177 km (0.109 R)
• M5: 2,505,764 km (0.085 R)
• M6: 3,156,665 km (0.073 R)
• M7: 3,870,695 km (0.106 R)
• M8: 5,755,628 km (0.059 R)
• M9: 6,944,632 km (0.08 R)
• M10: 8,849,462 km (0.095 R)
• M11: 12,273,159 km (0.109 R)
• M12: 12,560,836 km (0.084 R)
• M13: 15,859,169 km (0.093 R)
• M14: 17,858,994 km (0.1 R)
• M15: 19,110,679 km (0.099 R)
• M16: 19,497,390 km (0.115 R)
• M17: 26,653,853 km (0.032 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 11,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit