🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.84 AU - 0.88 AU

Year: 302 Days

Day: 47.5 Hours

Environment

Temp: 45 °C

Axial Tilt: 5.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.94 AU - 0.98 AU

Year: 356 Days

Day: 22.6 Hours

Environment

Temp: 26 °C

Axial Tilt: 37.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.24 AU - 2.74 AU

Year: 1488 Days

Day: 27 Hours

Environment

Temp: -95 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,360,159 km

• M1: 26,479 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.81 AU - 4.07 AU

Year: 2962 Days

Day: 39.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406

Radius: 15

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.66 AU - 5.9 AU

Year: 4595 Days

Day: 8.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,360,159 km

• M1: 207,642 km (0.071 R)
• M2: 1,163,423 km (0.071 R)
• M3: 1,732,044 km (0.114 R)
• M4: 2,311,287 km (0.083 R)
• M5: 3,809,061 km (0.09 R)
• M6: 5,248,342 km (0.104 R)
• M7: 6,078,610 km (0.093 R)
• M8: 7,699,802 km (0.104 R)
• M9: 9,709,799 km (0.082 R)
• M10: 11,346,101 km (0.11 R)
• M11: 11,915,770 km (0.099 R)
• M12: 12,642,965 km (0.077 R)
• M13: 14,693,353 km (0.115 R)
• M14: 15,851,989 km (0.104 R)
• M15: 16,398,470 km (0.079 R)
• M16: 16,900,969 km (0.096 R)
• M17: 18,113,609 km (0.111 R)
• M18: 19,569,795 km (0.098 R)
• M19: 21,431,989 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.4

Radius: 14

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.29 AU - 6.29 AU

Year: 5975 Days

Day: 11.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,360,159 km

• M1: 174,132 km (0.094 R)
• M2: 1,122,134 km (0.105 R)
• M3: 1,712,447 km (0.079 R)
• M4: 2,180,239 km (0.079 R)
• M5: 2,929,426 km (0.085 R)
• M6: 5,861,394 km (0.107 R)
• M7: 10,586,742 km (0.12 R)
• M8: 17,083,927 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.1

Radius: 9.8

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 10.18 AU - 10.64 AU

Year: 12721 Days

Day: 5.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,360,159 km

• M1: 121,922 km (0.083 R)
• M2: 837,150 km (0.097 R)
• M3: 1,812,677 km (0.113 R)
• M4: 2,667,480 km (0.103 R)
• M5: 3,006,020 km (0.064 R)
• M6: 3,918,118 km (0.059 R)
• M7: 4,225,093 km (0.093 R)
• M8: 4,858,939 km (0.084 R)
• M9: 6,596,219 km (0.074 R)
• M10: 13,416,984 km (0.065 R)
• M11: 18,924,879 km (0.082 R)
• M12: 20,563,275 km (0.099 R)
• M13: 24,291,104 km (0.082 R)
• M14: 25,775,863 km (0.064 R)
• M15: 27,692,361 km (0.048 R)
• M16: 28,256,943 km (0.102 R)
• M17: 29,021,538 km (0.081 R)
• M18: 32,738,746 km (0.065 R)
• M19: 33,475,964 km (0.085 R)
• M20: 34,548,282 km (0.109 R)
• M21: 35,754,190 km (0.084 R)
• M22: 36,874,678 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.7

Radius: 7.2

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 16.25 AU - 21.11 AU

Year: 30578 Days

Day: 17.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,360,159 km

• M1: 90,956 km (0.092 R)
• M2: 375,341 km (0.066 R)
• M3: 613,950 km (0.091 R)
• M4: 1,041,650 km (0.065 R)
• M5: 1,308,533 km (0.049 R)
• M6: 1,831,976 km (0.109 R)
• M7: 2,121,896 km (0.084 R)
• M8: 3,180,451 km (0.097 R)
• M9: 3,630,740 km (0.095 R)
• M10: 4,187,244 km (0.063 R)
• M11: 5,016,017 km (0.03 R)
• M12: 7,226,624 km (0.116 R)
• M13: 8,258,700 km (0.057 R)
• M14: 11,422,994 km (0.042 R)
• M15: 12,544,529 km (0.072 R)
• M16: 13,096,994 km (0.074 R)
• M17: 13,450,345 km (0.073 R)
• M18: 16,024,924 km (0.063 R)
• M19: 18,115,554 km (0.064 R)
• M20: 19,545,111 km (0.096 R)
• M21: 22,325,089 km (0.115 R)
• M22: 25,576,898 km (0.085 R)
• M23: 26,916,098 km (0.057 R)
• M24: 28,418,958 km (0.11 R)
• M25: 29,855,097 km (0.057 R)
• M26: 34,185,956 km (0.098 R)
• M27: 40,388,433 km (0.084 R)
• M28: 46,315,052 km (0.107 R)
• M29: 47,466,656 km (0.105 R)
• M30: 53,332,090 km (0.106 R)
• M31: 57,751,360 km (0.083 R)
• M32: 60,633,962 km (0.104 R)
• M33: 61,221,732 km (0.093 R)
• M34: 64,624,635 km (0.027 R)
• M35: 69,854,875 km (0.094 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 18,137 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit