🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.9

Radius: 14.5

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.94 AU - 1.06 AU

Year: 678 Days

Day: 5.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,472,879 km

• M1: 180,415 km (0.094 R)
• M2: 815,458 km (0.107 R)
• M3: 1,277,715 km (0.079 R)
• M4: 1,897,051 km (0.054 R)
• M5: 3,262,281 km (0.052 R)
• M6: 3,714,665 km (0.066 R)
• M7: 4,948,698 km (0.105 R)
• M8: 5,550,081 km (0.075 R)
• M9: 7,629,791 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.5

Radius: 13.6

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1 AU - 1.18 AU

Year: 772 Days

Day: 9 Hours

Environment

Temp: -169 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,472,879 km

• M1: 169,195 km (0.045 R)
• M2: 721,062 km (0.042 R)
• M3: 1,154,148 km (0.117 R)
• M4: 1,685,220 km (0.117 R)
• M5: 2,547,801 km (0.072 R)
• M6: 3,127,343 km (0.087 R)
• M7: 3,740,545 km (0.059 R)
• M8: 4,388,454 km (0.069 R)
• M9: 4,898,582 km (0.118 R)
• M10: 5,747,401 km (0.106 R)
• M11: 6,188,565 km (0.085 R)
• M12: 6,933,712 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.9

Radius: 12.3

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.07 AU - 1.37 AU

Year: 914 Days

Day: 9.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,472,879 km

• M1: 153,039 km (0.089 R)
• M2: 584,628 km (0.075 R)
• M3: 1,130,511 km (0.085 R)
• M4: 1,586,037 km (0.031 R)
• M5: 2,338,364 km (0.086 R)
• M6: 2,726,421 km (0.095 R)
• M7: 3,144,996 km (0.094 R)
• M8: 3,592,443 km (0.041 R)
• M9: 4,499,605 km (0.079 R)
• M10: 5,271,231 km (0.062 R)
• M11: 5,708,505 km (0.115 R)
• M12: 6,190,809 km (0.108 R)
• M13: 7,306,659 km (0.115 R)
• M14: 8,424,006 km (0.085 R)
• M15: 8,944,008 km (0.101 R)

Asteroid Belt

Center: 3.44 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.8

Radius: 6.6

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.51 AU - 6.81 AU

Year: 9133 Days

Day: 21.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,472,879 km

• M1: 83,326 km (0.087 R)
• M2: 373,247 km (0.104 R)
• M3: 714,330 km (0.119 R)
• M4: 1,425,817 km (0.086 R)
• M5: 3,056,883 km (0.081 R)
• M6: 3,624,158 km (0.12 R)
• M7: 4,106,611 km (0.11 R)
• M8: 4,416,129 km (0.058 R)
• M9: 5,561,450 km (0.117 R)
• M10: 8,546,826 km (0.034 R)
• M11: 9,355,851 km (0.052 R)
• M12: 10,449,411 km (0.082 R)
• M13: 13,106,718 km (0.102 R)
• M14: 14,064,893 km (0.106 R)
• M15: 14,531,638 km (0.049 R)
• M16: 14,828,440 km (0.115 R)
• M17: 15,495,946 km (0.099 R)
• M18: 16,374,085 km (0.088 R)
• M19: 20,441,801 km (0.064 R)
• M20: 24,461,047 km (0.109 R)
• M21: 24,796,894 km (0.08 R)
• M22: 25,563,883 km (0.12 R)
• M23: 25,996,819 km (0.08 R)
• M24: 26,346,579 km (0.086 R)
• M25: 29,637,433 km (0.081 R)
• M26: 30,019,206 km (0.06 R)
• M27: 33,397,874 km (0.1 R)
• M28: 33,811,213 km (0.045 R)
• M29: 34,965,810 km (0.045 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: 361 - 11,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit