🌌 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: 446

Radius: 12.3

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.41 AU - 0.61 AU

Year: 247 Days

Day: 6.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 11,709,924 km

• M1: 153,188 km (0.062 R)
• M2: 556,803 km (0.118 R)
• M3: 1,405,921 km (0.086 R)
• M4: 1,853,069 km (0.112 R)
• M5: 2,426,627 km (0.053 R)
• M6: 2,881,853 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.8

Radius: 11.2

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.39 AU - 0.63 AU

Year: 247 Days

Day: 14.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 11,709,924 km

• M1: 139,276 km (0.115 R)
• M2: 502,948 km (0.064 R)
• M3: 946,207 km (0.12 R)
• M4: 1,297,762 km (0.057 R)
• M5: 1,758,972 km (0.117 R)
• M6: 2,128,628 km (0.111 R)
• M7: 2,506,812 km (0.058 R)
• M8: 3,758,497 km (0.108 R)
• M9: 4,140,869 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.2

Radius: 11.6

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.51 AU - 0.73 AU

Year: 331 Days

Day: 12.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 11,709,924 km

• M1: 144,661 km (0.088 R)
• M2: 766,539 km (0.09 R)
• M3: 1,448,107 km (0.052 R)
• M4: 1,966,314 km (0.082 R)
• M5: 2,375,764 km (0.11 R)
• M6: 2,934,512 km (0.104 R)
• M7: 3,532,155 km (0.119 R)
• M8: 4,290,018 km (0.109 R)
• M9: 4,679,421 km (0.099 R)
• M10: 5,292,174 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718

Radius: 8.9

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.78 AU - 0.88 AU

Year: 513 Days

Day: 13 Hours

Environment

Temp: -160 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 11,709,924 km

• M1: 111,151 km (0.099 R)
• M2: 411,394 km (0.089 R)
• M3: 771,027 km (0.106 R)
• M4: 1,277,865 km (0.089 R)
• M5: 1,709,156 km (0.069 R)
• M6: 1,993,990 km (0.078 R)
• M7: 2,650,725 km (0.116 R)
• M8: 3,058,678 km (0.082 R)
• M9: 3,419,658 km (0.077 R)
• M10: 3,863,215 km (0.087 R)
• M11: 4,755,268 km (0.118 R)
• M12: 5,043,094 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.3

Radius: 15

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.32 AU - 2.16 AU

Year: 1557 Days

Day: 13 Hours

Environment

Temp: -199 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 11,709,924 km

• M1: 186,549 km (0.105 R)
• M2: 819,946 km (0.087 R)
• M3: 1,349,971 km (0.113 R)
• M4: 2,010,745 km (0.092 R)
• M5: 3,157,712 km (0.105 R)
• M6: 4,843,530 km (0.11 R)
• M7: 5,864,835 km (0.103 R)
• M8: 6,353,571 km (0.095 R)
• M9: 6,847,693 km (0.058 R)
• M10: 7,483,783 km (0.111 R)
• M11: 8,848,714 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.1

Radius: 12.6

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.81 AU - 2.41 AU

Year: 2079 Days

Day: 5.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 11,709,924 km

• M1: 156,928 km (0.106 R)
• M2: 690,993 km (0.081 R)
• M3: 1,113,307 km (0.098 R)
• M4: 2,218,536 km (0.108 R)
• M5: 2,741,979 km (0.111 R)
• M6: 3,423,098 km (0.116 R)
• M7: 3,904,355 km (0.092 R)
• M8: 4,394,138 km (0.053 R)
• M9: 5,267,640 km (0.077 R)
• M10: 6,253,640 km (0.027 R)
• M11: 6,976,796 km (0.075 R)
• M12: 7,890,240 km (0.111 R)
• M13: 8,941,016 km (0.066 R)
• M14: 10,309,238 km (0.083 R)
• M15: 11,741,338 km (0.067 R)
• M16: 12,505,335 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.9

Radius: 8.4

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.97 AU - 3.17 AU

Year: 2794 Days

Day: 12.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 11,709,924 km

• M1: 105,766 km (0.109 R)
• M2: 381,624 km (0.101 R)
• M3: 678,127 km (0.12 R)
• M4: 1,537,866 km (0.049 R)
• M5: 1,962,574 km (0.117 R)
• M6: 2,276,431 km (0.112 R)
• M7: 2,738,688 km (0.09 R)
• M8: 3,076,031 km (0.069 R)
• M9: 3,365,802 km (0.112 R)
• M10: 4,017,301 km (0.077 R)
• M11: 4,328,764 km (0.117 R)
• M12: 5,891,912 km (0.088 R)
• M13: 6,812,537 km (0.097 R)
• M14: 7,409,134 km (0.089 R)
• M15: 7,746,627 km (0.059 R)
• M16: 8,341,278 km (0.101 R)
• M17: 10,372,219 km (0.091 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 17,005 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit