🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.53 AU - 0.55 AU

Year: 145 Days

Day: 23.4 Hours

Environment

Temp: 241 °C

Axial Tilt: 6.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 100,095,099 km

• M1: 463,155 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.76 AU - 0.84 AU

Year: 261 Days

Day: 21.5 Hours

Environment

Temp: 172 °C

Axial Tilt: 11.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.84 AU - 1.1 AU

Year: 349 Days

Day: 12.3 Hours

Environment

Temp: 26 °C

Axial Tilt: 16.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.14 AU - 1.44 AU

Year: 535 Days

Day: 41.4 Hours

Environment

Temp: 6 °C

Axial Tilt: 49.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 4.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.4

Radius: 13.1

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 8.13 AU - 8.75 AU

Year: 8956 Days

Day: 6.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 100,095,099 km

• M1: 162,912 km (0.119 R)
• M2: 608,564 km (0.078 R)
• M3: 1,069,924 km (0.082 R)
• M4: 1,492,688 km (0.062 R)
• M5: 2,105,889 km (0.072 R)
• M6: 2,569,044 km (0.106 R)
• M7: 3,265,722 km (0.057 R)
• M8: 4,953,185 km (0.098 R)
• M9: 5,628,171 km (0.084 R)
• M10: 6,133,214 km (0.086 R)
• M11: 6,877,313 km (0.036 R)
• M12: 11,090,588 km (0.073 R)
• M13: 11,938,508 km (0.115 R)
• M14: 12,882,920 km (0.105 R)
• M15: 13,428,653 km (0.088 R)
• M16: 13,989,944 km (0.094 R)
• M17: 16,456,514 km (0.112 R)
• M18: 18,780,965 km (0.065 R)
• M19: 30,186,457 km (0.108 R)
• M20: 32,135,418 km (0.094 R)
• M21: 33,960,063 km (0.027 R)
• M22: 34,374,748 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.4

Radius: 12.8

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 9.24 AU - 12.28 AU

Year: 12892 Days

Day: 7 Hours

Environment

Temp: -181 °C

Axial Tilt: 101.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 100,095,099 km

• M1: 159,322 km (0.071 R)
• M2: 582,684 km (0.107 R)
• M3: 1,148,164 km (0.107 R)
• M4: 2,536,432 km (0.052 R)
• M5: 4,388,454 km (0.057 R)
• M6: 4,967,248 km (0.081 R)
• M7: 5,596,456 km (0.11 R)
• M8: 9,674,644 km (0.08 R)
• M9: 10,604,843 km (0.086 R)
• M10: 11,650,383 km (0.067 R)
• M11: 14,664,032 km (0.042 R)
• M12: 17,407,956 km (0.057 R)
• M13: 24,168,882 km (0.04 R)
• M14: 27,263,314 km (0.047 R)
• M15: 31,713,552 km (0.072 R)
• M16: 32,840,323 km (0.11 R)
• M17: 47,928,764 km (0.067 R)
• M18: 51,386,121 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.8

Radius: 14.2

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 9.63 AU - 12.13 AU

Year: 13108 Days

Day: 7.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 100,095,099 km

• M1: 212,279 km (0.102 R)
• M2: 660,325 km (0.076 R)
• M3: 1,738,477 km (0.061 R)
• M4: 2,929,276 km (0.093 R)
• M5: 3,610,694 km (0.071 R)
• M6: 5,641,635 km (0.05 R)
• M7: 10,357,109 km (0.108 R)
• M8: 11,188,126 km (0.099 R)
• M9: 13,752,981 km (0.117 R)
• M10: 17,908,660 km (0.088 R)
• M11: 18,701,379 km (0.037 R)
• M12: 20,356,829 km (0.057 R)
• M13: 24,920,761 km (0.111 R)
• M14: 25,909,005 km (0.099 R)
• M15: 27,858,714 km (0.106 R)
• M16: 30,570,774 km (0.072 R)
• M17: 40,698,998 km (0.089 R)
• M18: 44,469,463 km (0.12 R)
• M19: 55,651,455 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 53.8

Radius: 7.9

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 13.78 AU - 17.46 AU

Year: 22548 Days

Day: 24.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 100,095,099 km

• M1: 103,821 km (0.104 R)
• M2: 448,046 km (0.108 R)
• M3: 830,268 km (0.064 R)
• M4: 1,329,027 km (0.061 R)
• M5: 3,015,594 km (0.107 R)
• M6: 7,401,055 km (0.108 R)
• M7: 10,309,986 km (0.071 R)
• M8: 13,960,623 km (0.118 R)
• M9: 16,737,758 km (0.114 R)
• M10: 20,079,325 km (0.038 R)
• M11: 20,590,352 km (0.048 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 823.5

Radius: 3.9

Gravity: 54.14 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 13.9 AU - 21.78 AU

Year: 27522 Days

Day: 23.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 100,095,099 km

• M1: 49,367 km (0.093 R)
• M2: 723,904 km (0.068 R)
• M3: 1,099,395 km (0.06 R)
• M4: 1,649,616 km (0.034 R)
• M5: 2,776,836 km (0.091 R)
• M6: 3,980,799 km (0.052 R)
• M7: 4,264,886 km (0.084 R)
• M8: 5,116,098 km (0.11 R)
• M9: 6,028,944 km (0.08 R)
• M10: 7,045,162 km (0.102 R)
• M11: 7,199,098 km (0.047 R)
• M12: 10,635,810 km (0.115 R)
• M13: 10,770,747 km (0.099 R)
• M14: 12,182,951 km (0.097 R)
• M15: 16,154,924 km (0.065 R)
• M16: 17,430,695 km (0.118 R)
• M17: 18,189,156 km (0.091 R)
• M18: 40,262,023 km (0.073 R)
• M19: 48,259,974 km (0.092 R)
• M20: 69,161,340 km (0.074 R)
• M21: 81,041,954 km (0.07 R)
• M22: 98,305,099 km (0.1 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 18,613 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit