🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297

Radius: 13.9

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.65 AU - 0.85 AU

Year: 419 Days

Day: 14.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,473,262 km

• M1: 173,085 km (0.114 R)
• M2: 895,792 km (0.044 R)
• M3: 1,489,696 km (0.105 R)
• M4: 2,019,272 km (0.062 R)
• M5: 2,621,703 km (0.072 R)
• M6: 3,168,333 km (0.084 R)
• M7: 3,666,494 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.3

Radius: 12.8

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.65 AU - 2.27 AU

Year: 1772 Days

Day: 7.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,473,262 km

• M1: 159,172 km (0.05 R)
• M2: 634,145 km (0.064 R)
• M3: 1,335,759 km (0.052 R)
• M4: 2,003,564 km (0.029 R)
• M5: 2,454,003 km (0.08 R)
• M6: 2,986,871 km (0.088 R)
• M7: 5,151,552 km (0.092 R)
• M8: 6,103,743 km (0.113 R)
• M9: 6,622,249 km (0.098 R)
• M10: 8,810,716 km (0.077 R)
• M11: 9,217,622 km (0.086 R)
• M12: 11,225,375 km (0.086 R)
• M13: 14,264,307 km (0.112 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.5

Radius: 6.9

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.29 AU - 9.05 AU

Year: 15078 Days

Day: 16.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,473,262 km

• M1: 86,916 km (0.106 R)
• M2: 591,211 km (0.071 R)
• M3: 834,158 km (0.045 R)
• M4: 1,176,587 km (0.072 R)
• M5: 1,570,329 km (0.105 R)
• M6: 2,314,129 km (0.116 R)
• M7: 3,827,910 km (0.113 R)
• M8: 4,128,452 km (0.081 R)
• M9: 4,471,780 km (0.097 R)
• M10: 5,155,591 km (0.098 R)
• M11: 5,809,334 km (0.088 R)
• M12: 9,471,789 km (0.08 R)
• M13: 11,545,365 km (0.067 R)
• M14: 15,918,560 km (0.099 R)
• M15: 31,611,676 km (0.085 R)
• M16: 34,205,852 km (0.025 R)
• M17: 34,741,114 km (0.045 R)
• M18: 38,185,754 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 975.8

Radius: 6.7

Gravity: 21.74 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 8.08 AU - 9.54 AU

Year: 16884 Days

Day: 20 Hours

Environment

Temp: -223 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,473,262 km

• M1: 84,822 km (0.029 R)
• M2: 543,788 km (0.098 R)
• M3: 863,928 km (0.037 R)
• M4: 1,472,941 km (0.11 R)
• M5: 1,814,772 km (0.031 R)
• M6: 2,315,326 km (0.058 R)
• M7: 2,981,037 km (0.047 R)
• M8: 5,271,530 km (0.116 R)
• M9: 5,543,200 km (0.061 R)
• M10: 7,913,578 km (0.067 R)
• M11: 8,478,759 km (0.116 R)
• M12: 9,747,049 km (0.079 R)
• M13: 15,692,517 km (0.032 R)
• M14: 18,113,609 km (0.116 R)
• M15: 20,772,712 km (0.096 R)
• M16: 24,636,525 km (0.082 R)
• M17: 31,925,083 km (0.102 R)
• M18: 41,894,884 km (0.107 R)
• M19: 51,258,663 km (0.098 R)
• M20: 51,963,718 km (0.111 R)
• M21: 54,848,563 km (0.111 R)
• M22: 55,401,178 km (0.114 R)
• M23: 67,879,735 km (0.032 R)
• M24: 69,586,946 km (0.049 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 19,242 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit