🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.13 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.2

Radius: 9.5

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.88 AU - 2.64 AU

Year: 2229 Days

Day: 11.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,102,472 km

• M1: 118,930 km (0.034 R)
• M2: 695,032 km (0.1 R)
• M3: 1,625,830 km (0.051 R)
• M4: 3,076,929 km (0.089 R)
• M5: 3,617,277 km (0.097 R)
• M6: 4,582,482 km (0.11 R)
• M7: 7,603,761 km (0.097 R)
• M8: 9,207,001 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.3

Radius: 9.5

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.01 AU - 3.35 AU

Year: 3720 Days

Day: 13.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,102,472 km

• M1: 118,182 km (0.111 R)
• M2: 555,457 km (0.074 R)
• M3: 926,460 km (0.069 R)
• M4: 1,652,308 km (0.114 R)
• M5: 3,207,827 km (0.104 R)
• M6: 3,878,474 km (0.078 R)
• M7: 7,896,972 km (0.084 R)
• M8: 13,277,709 km (0.096 R)
• M9: 13,694,039 km (0.116 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.6

Radius: 7

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 6.86 AU - 10.9 AU

Year: 17359 Days

Day: 24.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,102,472 km

• M1: 87,066 km (0.113 R)
• M2: 327,320 km (0.033 R)
• M3: 2,538,227 km (0.047 R)
• M4: 3,280,831 km (0.03 R)
• M5: 3,540,234 km (0.091 R)
• M6: 4,590,560 km (0.11 R)
• M7: 7,031,250 km (0.09 R)
• M8: 9,531,479 km (0.062 R)
• M9: 13,142,622 km (0.101 R)
• M10: 16,421,957 km (0.082 R)
• M11: 18,370,918 km (0.108 R)
• M12: 20,295,494 km (0.075 R)
• M13: 21,083,875 km (0.093 R)
• M14: 26,869,573 km (0.039 R)
• M15: 31,611,676 km (0.094 R)
• M16: 36,625,598 km (0.079 R)
• M17: 38,851,465 km (0.094 R)
• M18: 42,427,452 km (0.117 R)
• M19: 46,067,318 km (0.084 R)
• M20: 52,641,546 km (0.119 R)
• M21: 56,151,411 km (0.089 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.9

Radius: 3.8

Gravity: 18.48 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 9.02 AU - 12.44 AU

Year: 23057 Days

Day: 16.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,102,472 km

• M1: 47,273 km (0.094 R)
• M2: 166,502 km (0.076 R)
• M3: 1,387,520 km (0.071 R)
• M4: 2,066,695 km (0.104 R)
• M5: 2,404,935 km (0.112 R)
• M6: 2,801,968 km (0.063 R)
• M7: 3,089,944 km (0.058 R)
• M8: 3,423,996 km (0.03 R)
• M9: 3,896,426 km (0.093 R)
• M10: 7,725,084 km (0.104 R)
• M11: 8,194,074 km (0.096 R)
• M12: 8,882,074 km (0.086 R)
• M13: 9,714,736 km (0.057 R)
• M14: 10,205,268 km (0.099 R)
• M15: 11,294,789 km (0.052 R)
• M16: 12,459,558 km (0.083 R)
• M17: 13,567,629 km (0.039 R)
• M18: 15,680,250 km (0.088 R)
• M19: 16,506,928 km (0.053 R)
• M20: 20,104,458 km (0.116 R)
• M21: 20,543,677 km (0.089 R)
• M22: 20,989,180 km (0.11 R)
• M23: 24,488,573 km (0.083 R)
• M24: 26,532,828 km (0.072 R)
• M25: 51,245,798 km (0.091 R)
• M26: 54,403,360 km (0.054 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: 271 - 11,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit