🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.43 AU - 0.69 AU

Year: 187 Days

Day: 30.8 Hours

Environment

Temp: 17 °C

Axial Tilt: 49.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 1.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.83 AU - 2.65 AU

Year: 1496 Days

Day: 12.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.9

Radius: 13.1

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.7 AU - 2.78 AU

Year: 2024 Days

Day: 6.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,793,226 km

• M1: 163,361 km (0.081 R)
• M2: 767,886 km (0.054 R)
• M3: 1,208,152 km (0.094 R)
• M4: 1,983,369 km (0.048 R)
• M5: 3,005,720 km (0.1 R)
• M6: 4,130,547 km (0.093 R)
• M7: 4,648,305 km (0.105 R)
• M8: 5,093,508 km (0.111 R)
• M9: 5,690,404 km (0.11 R)
• M10: 7,139,858 km (0.076 R)
• M11: 7,888,894 km (0.106 R)
• M12: 9,937,338 km (0.111 R)
• M13: 10,910,472 km (0.079 R)
• M14: 12,235,759 km (0.088 R)
• M15: 12,959,065 km (0.083 R)
• M16: 13,665,616 km (0.053 R)
• M17: 14,679,141 km (0.094 R)
• M18: 15,496,095 km (0.106 R)
• M19: 17,912,999 km (0.067 R)

Asteroid Belt

Center: 3.14 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.7

Radius: 14.7

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.97 AU - 4.09 AU

Year: 2959 Days

Day: 8.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,793,226 km

• M1: 182,809 km (0.046 R)
• M2: 861,385 km (0.079 R)
• M3: 1,555,818 km (0.094 R)
• M4: 2,166,626 km (0.032 R)
• M5: 3,134,524 km (0.106 R)
• M6: 4,022,238 km (0.098 R)
• M7: 4,703,207 km (0.105 R)
• M8: 5,410,805 km (0.049 R)
• M9: 6,492,099 km (0.119 R)
• M10: 7,525,371 km (0.089 R)
• M11: 8,563,581 km (0.083 R)
• M12: 9,585,184 km (0.039 R)
• M13: 10,297,569 km (0.09 R)
• M14: 11,044,960 km (0.074 R)
• M15: 12,126,254 km (0.081 R)
• M16: 13,785,444 km (0.117 R)
• M17: 14,791,938 km (0.058 R)
• M18: 16,897,977 km (0.061 R)
• M19: 19,080,610 km (0.095 R)
• M20: 20,028,163 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.9

Radius: 8.4

Gravity: 10.67 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.87 AU - 5.53 AU

Year: 4547 Days

Day: 12.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,793,226 km

• M1: 104,419 km (0.075 R)
• M2: 390,151 km (0.099 R)
• M3: 1,132,905 km (0.067 R)
• M4: 1,430,604 km (0.062 R)
• M5: 2,012,091 km (0.116 R)
• M6: 3,970,627 km (0.101 R)
• M7: 4,394,587 km (0.114 R)
• M8: 4,900,677 km (0.103 R)
• M9: 5,879,645 km (0.101 R)
• M10: 8,369,702 km (0.116 R)
• M11: 8,791,867 km (0.118 R)
• M12: 12,107,255 km (0.111 R)
• M13: 12,597,786 km (0.113 R)
• M14: 13,358,342 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122

Radius: 9.8

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.69 AU - 5.85 AU

Year: 5398 Days

Day: 10.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,793,226 km

• M1: 127,757 km (0.108 R)
• M2: 851,062 km (0.12 R)
• M3: 1,327,980 km (0.101 R)
• M4: 1,740,122 km (0.115 R)
• M5: 2,110,377 km (0.061 R)
• M6: 2,902,647 km (0.096 R)
• M7: 3,695,367 km (0.101 R)
• M8: 4,212,377 km (0.112 R)
• M9: 5,510,886 km (0.038 R)
• M10: 5,981,072 km (0.118 R)
• M11: 6,861,157 km (0.1 R)
• M12: 7,855,983 km (0.053 R)
• M13: 9,248,140 km (0.093 R)
• M14: 12,100,224 km (0.067 R)
• M15: 13,725,754 km (0.08 R)
• M16: 15,443,736 km (0.111 R)
• M17: 16,079,976 km (0.116 R)
• M18: 17,196,425 km (0.113 R)
• M19: 17,826,830 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.4

Radius: 7.2

Gravity: 12.08 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 10.67 AU - 15.57 AU

Year: 21206 Days

Day: 23.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,793,226 km

• M1: 89,908 km (0.104 R)
• M2: 1,422,227 km (0.091 R)
• M3: 1,960,330 km (0.06 R)
• M4: 2,265,809 km (0.111 R)
• M5: 4,639,479 km (0.1 R)
• M6: 5,691,601 km (0.077 R)
• M7: 9,392,802 km (0.066 R)
• M8: 10,264,359 km (0.1 R)
• M9: 12,920,918 km (0.056 R)
• M10: 13,850,668 km (0.111 R)
• M11: 24,851,647 km (0.116 R)
• M12: 32,062,115 km (0.11 R)
• M13: 39,805,301 km (0.101 R)
• M14: 45,877,628 km (0.111 R)
• M15: 46,533,315 km (0.1 R)
• M16: 47,195,136 km (0.076 R)
• M17: 51,299,055 km (0.062 R)
• M18: 53,799,583 km (0.072 R)
• M19: 59,429,101 km (0.043 R)
• M20: 73,840,462 km (0.058 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: 196 - 18,732 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit