🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.65 AU - 0.95 AU

Year: 251 Days

Day: 46.1 Hours

Environment

Temp: 165 °C

Axial Tilt: 35 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.66 AU - 1.06 AU

Year: 280 Days

Day: 24.2 Hours

Environment

Temp: 102 °C

Axial Tilt: 31 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.15 AU - 1.31 AU

Year: 479 Days

Day: 31.4 Hours

Environment

Temp: 12 °C

Axial Tilt: 7.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.61 AU - 4.11 AU

Year: 2665 Days

Day: 12.2 Hours

Environment

Temp: -104 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.1

Radius: 10.5

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.75 AU - 8.51 AU

Year: 8147 Days

Day: 7.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,949,018 km

• M1: 130,749 km (0.119 R)
• M2: 462,108 km (0.049 R)
• M3: 1,132,905 km (0.07 R)
• M4: 1,493,286 km (0.107 R)
• M5: 1,852,321 km (0.115 R)
• M6: 2,817,975 km (0.115 R)
• M7: 3,636,575 km (0.086 R)
• M8: 4,181,111 km (0.11 R)
• M9: 4,582,033 km (0.097 R)
• M10: 8,077,537 km (0.118 R)
• M11: 9,006,540 km (0.087 R)
• M12: 11,209,518 km (0.098 R)
• M13: 13,243,600 km (0.097 R)
• M14: 15,792,299 km (0.116 R)
• M15: 20,402,906 km (0.095 R)
• M16: 20,874,288 km (0.074 R)
• M17: 23,635,117 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.4

Radius: 13.2

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.34 AU - 11.4 AU

Year: 10081 Days

Day: 8.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 152.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 84,949,018 km

• M1: 179,368 km (0.093 R)
• M2: 720,015 km (0.109 R)
• M3: 1,387,819 km (0.032 R)
• M4: 4,591,458 km (0.101 R)
• M5: 11,094,328 km (0.095 R)
• M6: 13,307,479 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553

Radius: 4.6

Gravity: 26.13 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 14.47 AU - 16.29 AU

Year: 21199 Days

Day: 15.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 84,949,018 km

• M1: 57,296 km (0.118 R)
• M2: 259,104 km (0.043 R)
• M3: 554,111 km (0.098 R)
• M4: 798,853 km (0.091 R)
• M5: 1,126,322 km (0.098 R)
• M6: 1,473,838 km (0.091 R)
• M7: 2,207,466 km (0.118 R)
• M8: 3,907,197 km (0.093 R)
• M9: 4,191,882 km (0.072 R)
• M10: 5,355,454 km (0.107 R)
• M11: 5,827,286 km (0.077 R)
• M12: 6,241,223 km (0.066 R)
• M13: 6,853,378 km (0.106 R)
• M14: 7,220,640 km (0.072 R)
• M15: 7,409,134 km (0.102 R)
• M16: 7,845,361 km (0.12 R)
• M17: 8,401,416 km (0.114 R)
• M18: 9,479,119 km (0.105 R)
• M19: 10,109,675 km (0.077 R)
• M20: 10,890,276 km (0.093 R)
• M21: 14,121,441 km (0.059 R)
• M22: 18,111,216 km (0.063 R)
• M23: 20,928,293 km (0.057 R)
• M24: 23,095,966 km (0.059 R)
• M25: 24,128,940 km (0.116 R)
• M26: 24,977,160 km (0.11 R)
• M27: 25,735,621 km (0.115 R)
• M28: 28,218,946 km (0.109 R)
• M29: 30,243,902 km (0.062 R)
• M30: 33,525,032 km (0.049 R)
• M31: 36,342,559 km (0.075 R)
• M32: 38,306,031 km (0.07 R)
• M33: 43,989,703 km (0.066 R)
• M34: 45,894,981 km (0.09 R)
• M35: 46,056,098 km (0.103 R)
• M36: 47,524,102 km (0.038 R)
• M37: 49,191,370 km (0.115 R)
• M38: 59,063,334 km (0.098 R)
• M39: 59,828,676 km (0.071 R)
• M40: 68,690,256 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.7

Radius: 6.4

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 17.11 AU - 20.09 AU

Year: 28193 Days

Day: 23.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,949,018 km

• M1: 81,232 km (0.109 R)
• M2: 447,148 km (0.086 R)
• M3: 670,946 km (0.065 R)
• M4: 1,942,678 km (0.062 R)
• M5: 2,258,329 km (0.078 R)
• M6: 5,152,749 km (0.039 R)
• M7: 6,457,691 km (0.093 R)
• M8: 9,942,574 km (0.084 R)
• M9: 10,944,879 km (0.112 R)
• M10: 15,305,657 km (0.064 R)
• M11: 24,701,750 km (0.116 R)
• M12: 31,362,595 km (0.113 R)
• M13: 35,883,892 km (0.062 R)
• M14: 39,738,131 km (0.083 R)
• M15: 43,532,681 km (0.111 R)
• M16: 47,561,950 km (0.12 R)
• M17: 48,256,832 km (0.081 R)
• M18: 57,326,203 km (0.101 R)
• M19: 65,308,147 km (0.052 R)
• M20: 80,693,839 km (0.112 R)

Kuiper Belt

Range: 31.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 14,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit