🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.7

Radius: 13.5

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.47 AU - 0.55 AU

Year: 251 Days

Day: 8.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,732,723 km

• M1: 167,849 km (0.106 R)
• M2: 823,985 km (0.107 R)
• M3: 1,389,914 km (0.065 R)
• M4: 2,184,877 km (0.11 R)
• M5: 2,735,846 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.2

Radius: 8.8

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.49 AU - 0.61 AU

Year: 282 Days

Day: 9.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,732,723 km

• M1: 109,506 km (0.069 R)
• M2: 425,905 km (0.114 R)
• M3: 701,913 km (0.073 R)
• M4: 1,027,737 km (0.109 R)
• M5: 1,306,438 km (0.081 R)
• M6: 1,716,785 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.9

Radius: 9.7

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.36 AU - 1.46 AU

Year: 1156 Days

Day: 6.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,732,723 km

• M1: 120,725 km (0.101 R)
• M2: 475,572 km (0.095 R)
• M3: 1,944,623 km (0.037 R)
• M4: 2,785,812 km (0.11 R)
• M5: 3,924,551 km (0.042 R)
• M6: 4,585,474 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.9

Radius: 11.8

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.72 AU - 2.16 AU

Year: 1865 Days

Day: 12.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,732,723 km

• M1: 148,102 km (0.097 R)
• M2: 594,203 km (0.084 R)
• M3: 1,010,384 km (0.099 R)
• M4: 1,657,096 km (0.111 R)
• M5: 2,141,344 km (0.098 R)
• M6: 2,565,753 km (0.033 R)
• M7: 3,077,228 km (0.064 R)
• M8: 3,816,541 km (0.117 R)
• M9: 4,326,670 km (0.108 R)
• M10: 5,033,520 km (0.082 R)
• M11: 5,937,539 km (0.114 R)
• M12: 6,312,881 km (0.114 R)
• M13: 6,919,350 km (0.119 R)
• M14: 7,768,617 km (0.119 R)
• M15: 11,834,239 km (0.108 R)
• M16: 12,310,110 km (0.104 R)
• M17: 13,599,045 km (0.111 R)
• M18: 15,627,143 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.2

Radius: 3.2

Gravity: 65.74 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.84 AU - 7.06 AU

Year: 12647 Days

Day: 19.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,732,723 km

• M1: 213,177 km (0.096 R)
• M2: 386,710 km (0.052 R)
• M3: 819,348 km (0.09 R)
• M4: 1,236,426 km (0.099 R)
• M5: 1,780,514 km (0.025 R)
• M6: 3,168,782 km (0.103 R)
• M7: 7,127,441 km (0.096 R)
• M8: 7,646,994 km (0.076 R)
• M9: 11,477,897 km (0.074 R)
• M10: 15,263,920 km (0.102 R)
• M11: 16,865,215 km (0.029 R)
• M12: 21,088,064 km (0.077 R)
• M13: 23,161,341 km (0.087 R)
• M14: 28,661,606 km (0.088 R)
• M15: 35,835,572 km (0.066 R)
• M16: 36,587,450 km (0.116 R)
• M17: 37,734,717 km (0.08 R)
• M18: 38,905,918 km (0.105 R)
• M19: 46,593,304 km (0.079 R)
• M20: 50,712,182 km (0.107 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 19,110 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit