🌌 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 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.52 AU - 0.52 AU

Year: 246 Days

Day: 21.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.58 AU - 0.68 AU

Year: 328 Days

Day: 38.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.1

Radius: 11.6

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.59 AU - 0.83 AU

Year: 392 Days

Day: 13.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,592,769 km

• M1: 144,212 km (0.092 R)
• M2: 540,048 km (0.058 R)
• M3: 1,008,439 km (0.03 R)
• M4: 1,615,657 km (0.083 R)
• M5: 2,024,508 km (0.069 R)
• M6: 2,419,446 km (0.099 R)
• M7: 2,907,435 km (0.061 R)
• M8: 3,519,888 km (0.095 R)
• M9: 3,889,245 km (0.087 R)
• M10: 4,548,673 km (0.107 R)
• M11: 5,440,276 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.4

Radius: 12.6

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.71 AU - 4.57 AU

Year: 5526 Days

Day: 10.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 117.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,592,769 km

• M1: 157,527 km (0.111 R)
• M2: 726,148 km (0.099 R)
• M3: 1,168,359 km (0.088 R)
• M4: 1,744,311 km (0.118 R)
• M5: 2,440,988 km (0.09 R)
• M6: 2,864,201 km (0.091 R)
• M7: 4,108,706 km (0.116 R)
• M8: 4,687,350 km (0.036 R)
• M9: 10,294,877 km (0.065 R)
• M10: 12,072,099 km (0.074 R)
• M11: 16,167,790 km (0.083 R)
• M12: 24,651,036 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.3

Radius: 9.7

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.69 AU - 5.01 AU

Year: 7007 Days

Day: 14.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,592,769 km

• M1: 121,623 km (0.109 R)
• M2: 471,981 km (0.098 R)
• M3: 837,748 km (0.119 R)
• M4: 1,292,526 km (0.068 R)
• M5: 1,994,140 km (0.025 R)
• M6: 2,615,719 km (0.099 R)
• M7: 3,184,490 km (0.104 R)
• M8: 3,658,865 km (0.104 R)
• M9: 4,934,935 km (0.099 R)
• M10: 5,936,791 km (0.094 R)
• M11: 6,773,044 km (0.064 R)
• M12: 8,644,363 km (0.065 R)
• M13: 9,028,082 km (0.072 R)
• M14: 9,643,378 km (0.104 R)
• M15: 10,094,416 km (0.047 R)
• M16: 15,923,945 km (0.119 R)
• M17: 16,395,328 km (0.116 R)
• M18: 17,865,875 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.4

Radius: 10.9

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.76 AU - 5.76 AU

Year: 7914 Days

Day: 5.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,592,769 km

• M1: 135,835 km (0.114 R)
• M2: 767,587 km (0.064 R)
• M3: 1,247,796 km (0.047 R)
• M4: 1,731,745 km (0.082 R)
• M5: 2,166,327 km (0.104 R)
• M6: 2,558,423 km (0.041 R)
• M7: 3,104,754 km (0.094 R)
• M8: 3,558,485 km (0.084 R)
• M9: 3,927,542 km (0.05 R)
• M10: 4,600,135 km (0.093 R)
• M11: 5,130,609 km (0.063 R)
• M12: 5,834,018 km (0.119 R)
• M13: 6,747,014 km (0.032 R)
• M14: 7,276,740 km (0.045 R)
• M15: 8,039,838 km (0.105 R)
• M16: 9,820,053 km (0.075 R)
• M17: 10,451,356 km (0.06 R)
• M18: 10,853,326 km (0.11 R)
• M19: 12,509,075 km (0.061 R)
• M20: 13,962,268 km (0.103 R)
• M21: 18,846,938 km (0.113 R)
• M22: 19,822,316 km (0.107 R)
• M23: 20,439,108 km (0.104 R)
• M24: 24,062,668 km (0.12 R)
• M25: 28,190,223 km (0.103 R)
• M26: 30,573,915 km (0.113 R)
• M27: 31,814,680 km (0.026 R)
• M28: 35,175,247 km (0.109 R)
• M29: 38,288,977 km (0.029 R)
• M30: 42,211,732 km (0.045 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 19,136 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit