🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.47 AU - 0.55 AU

Year: 239 Days

Day: 17.5 Hours

Environment

Temp: -118 °C

Axial Tilt: 47.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650

Radius: 11

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.7 AU - 0.94 AU

Year: 487 Days

Day: 8.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,967,976 km

• M1: 136,732 km (0.096 R)
• M2: 527,183 km (0.064 R)
• M3: 1,176,138 km (0.098 R)
• M4: 1,587,383 km (0.084 R)
• M5: 2,262,817 km (0.101 R)
• M6: 2,845,202 km (0.114 R)
• M7: 3,330,797 km (0.079 R)
• M8: 3,871,144 km (0.052 R)
• M9: 4,239,753 km (0.114 R)
• M10: 4,860,136 km (0.087 R)
• M11: 5,506,398 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.7

Radius: 10

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.78 AU - 0.94 AU

Year: 523 Days

Day: 12.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 14,967,976 km

• M1: 124,316 km (0.095 R)
• M2: 695,181 km (0.119 R)
• M3: 1,220,270 km (0.06 R)
• M4: 2,240,378 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.8

Radius: 14.4

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.93 AU - 1.13 AU

Year: 686 Days

Day: 13.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,967,976 km

• M1: 185,801 km (0.118 R)
• M2: 697,874 km (0.055 R)
• M3: 1,371,962 km (0.115 R)
• M4: 2,015,083 km (0.116 R)
• M5: 2,844,005 km (0.118 R)
• M6: 4,784,140 km (0.059 R)
• M7: 5,965,215 km (0.119 R)
• M8: 6,869,684 km (0.083 R)
• M9: 8,054,499 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.2

Radius: 8.3

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.58 AU - 2.28 AU

Year: 1759 Days

Day: 8.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 14,967,976 km

• M1: 103,223 km (0.116 R)
• M2: 382,971 km (0.094 R)
• M3: 931,845 km (0.093 R)
• M4: 1,696,290 km (0.079 R)
• M5: 2,006,257 km (0.071 R)
• M6: 2,278,824 km (0.065 R)
• M7: 2,755,892 km (0.063 R)
• M8: 3,202,890 km (0.099 R)
• M9: 3,855,586 km (0.111 R)
• M10: 4,922,967 km (0.111 R)
• M11: 6,889,431 km (0.093 R)
• M12: 7,184,438 km (0.112 R)
• M13: 7,515,947 km (0.092 R)
• M14: 8,664,260 km (0.073 R)
• M15: 9,135,792 km (0.056 R)
• M16: 10,337,063 km (0.12 R)
• M17: 10,867,537 km (0.079 R)
• M18: 11,944,492 km (0.096 R)
• M19: 12,331,801 km (0.064 R)
• M20: 13,213,531 km (0.097 R)
• M21: 14,093,765 km (0.061 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 20,015 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit