🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.53 AU - 0.83 AU

Year: 215 Days

Day: 42.5 Hours

Environment

Temp: 164 °C

Axial Tilt: 34.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 93,163,297 km

• M1: 144,811 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.92 AU - 1.14 AU

Year: 400 Days

Day: 25.6 Hours

Environment

Temp: 7 °C

Axial Tilt: 2.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.47 AU - 1.67 AU

Year: 753 Days

Day: 32.2 Hours

Environment

Temp: -54 °C

Axial Tilt: 47.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 93,163,297 km

• M1: 128,205 km (0.089 R)

Asteroid Belt

Center: 4.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.4

Radius: 9.6

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.91 AU - 7.77 AU

Year: 6849 Days

Day: 9.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 93,163,297 km

• M1: 119,379 km (0.106 R)
• M2: 419,472 km (0.096 R)
• M3: 851,810 km (0.113 R)
• M4: 1,218,774 km (0.081 R)
• M5: 1,799,662 km (0.103 R)
• M6: 7,532,253 km (0.102 R)
• M7: 8,144,407 km (0.098 R)
• M8: 8,748,035 km (0.102 R)
• M9: 9,954,392 km (0.114 R)
• M10: 11,514,548 km (0.029 R)
• M11: 11,966,932 km (0.101 R)
• M12: 16,907,851 km (0.063 R)
• M13: 17,624,424 km (0.039 R)
• M14: 27,247,756 km (0.092 R)
• M15: 28,963,494 km (0.12 R)
• M16: 31,621,549 km (0.102 R)
• M17: 34,541,700 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.9

Radius: 9.5

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 6.38 AU - 7.5 AU

Year: 7000 Days

Day: 13.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 93,163,297 km

• M1: 119,678 km (0.082 R)
• M2: 774,169 km (0.081 R)
• M3: 8,804,882 km (0.103 R)
• M4: 9,712,193 km (0.078 R)
• M5: 10,027,994 km (0.102 R)
• M6: 16,907,402 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.4

Radius: 9.1

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 8.07 AU - 8.15 AU

Year: 8843 Days

Day: 12.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 93,163,297 km

• M1: 113,545 km (0.091 R)
• M2: 484,099 km (0.075 R)
• M3: 963,261 km (0.088 R)
• M4: 1,380,639 km (0.032 R)
• M5: 3,080,968 km (0.069 R)
• M6: 3,868,601 km (0.084 R)
• M7: 4,543,138 km (0.093 R)
• M8: 5,373,406 km (0.097 R)
• M9: 7,565,015 km (0.059 R)
• M10: 9,805,841 km (0.077 R)
• M11: 10,627,882 km (0.098 R)
• M12: 11,362,257 km (0.06 R)
• M13: 12,787,925 km (0.052 R)
• M14: 16,382,912 km (0.109 R)
• M15: 17,956,232 km (0.111 R)
• M16: 19,122,348 km (0.118 R)
• M17: 21,401,023 km (0.066 R)
• M18: 22,153,201 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.4

Radius: 7.7

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 15.16 AU - 15.88 AU

Year: 23410 Days

Day: 21.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 93,163,297 km

• M1: 102,026 km (0.107 R)
• M2: 381,624 km (0.115 R)
• M3: 678,875 km (0.105 R)
• M4: 1,552,228 km (0.119 R)
• M5: 4,142,664 km (0.107 R)
• M6: 5,043,393 km (0.112 R)
• M7: 7,391,780 km (0.103 R)
• M8: 7,643,853 km (0.077 R)
• M9: 14,168,265 km (0.107 R)
• M10: 21,892,003 km (0.102 R)
• M11: 25,427,599 km (0.063 R)
• M12: 31,362,296 km (0.11 R)
• M13: 44,199,140 km (0.071 R)
• M14: 44,752,652 km (0.078 R)
• M15: 45,732,518 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.1

Radius: 6.3

Gravity: 22.12 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 13.18 AU - 18.32 AU

Year: 23933 Days

Day: 16.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 93,163,297 km

• M1: 127,757 km (0.045 R)
• M2: 368,011 km (0.053 R)
• M3: 585,825 km (0.053 R)
• M4: 1,255,874 km (0.088 R)
• M5: 1,951,504 km (0.093 R)
• M6: 2,255,936 km (0.072 R)
• M7: 3,484,733 km (0.101 R)
• M8: 4,530,871 km (0.104 R)
• M9: 6,683,434 km (0.095 R)
• M10: 7,582,966 km (0.116 R)
• M11: 9,991,492 km (0.108 R)
• M12: 10,308,640 km (0.044 R)
• M13: 17,682,468 km (0.119 R)
• M14: 20,285,322 km (0.057 R)
• M15: 22,263,155 km (0.12 R)
• M16: 25,997,417 km (0.101 R)
• M17: 29,089,755 km (0.115 R)
• M18: 30,260,508 km (0.113 R)
• M19: 34,389,559 km (0.056 R)
• M20: 35,993,098 km (0.111 R)
• M21: 40,139,203 km (0.11 R)
• M22: 41,588,956 km (0.114 R)
• M23: 48,818,273 km (0.09 R)
• M24: 78,633,578 km (0.051 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 11,793 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit