🌌 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: 325.6

Radius: 13.4

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.44 AU - 0.58 AU

Year: 243 Days

Day: 14.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 22,248,103 km

• M1: 166,652 km (0.025 R)
• M2: 606,470 km (0.112 R)
• M3: 1,375,253 km (0.092 R)
• M4: 1,914,853 km (0.105 R)
• M5: 2,721,634 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.4

Radius: 10.3

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.69 AU - 0.87 AU

Year: 459 Days

Day: 5.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 22,248,103 km

• M1: 128,056 km (0.097 R)
• M2: 513,121 km (0.11 R)
• M3: 852,409 km (0.091 R)
• M4: 1,360,144 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.4

Radius: 15

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.65 AU - 1.03 AU

Year: 513 Days

Day: 14.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 22,248,103 km

• M1: 188,045 km (0.1 R)
• M2: 784,641 km (0.047 R)
• M3: 1,473,838 km (0.087 R)
• M4: 2,141,942 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.3

Radius: 9.9

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.21 AU - 1.71 AU

Year: 1176 Days

Day: 11 Hours

Environment

Temp: -181 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,248,103 km

• M1: 123,119 km (0.078 R)
• M2: 477,217 km (0.116 R)
• M3: 801,845 km (0.103 R)
• M4: 1,191,547 km (0.118 R)
• M5: 1,520,363 km (0.079 R)
• M6: 1,858,305 km (0.079 R)
• M7: 2,276,431 km (0.088 R)
• M8: 2,600,460 km (0.053 R)
• M9: 3,064,512 km (0.092 R)
• M10: 3,461,695 km (0.085 R)
• M11: 3,980,500 km (0.047 R)
• M12: 4,582,931 km (0.091 R)
• M13: 5,104,130 km (0.101 R)
• M14: 5,853,765 km (0.086 R)
• M15: 6,406,678 km (0.065 R)
• M16: 7,895,177 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.5

Radius: 8.6

Gravity: 12.19 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.12 AU - 3.02 AU

Year: 2747 Days

Day: 14.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,248,103 km

• M1: 107,112 km (0.108 R)
• M2: 401,072 km (0.079 R)
• M3: 733,778 km (0.088 R)
• M4: 1,038,060 km (0.116 R)
• M5: 1,309,729 km (0.08 R)
• M6: 1,640,789 km (0.073 R)
• M7: 2,400,747 km (0.084 R)
• M8: 3,414,721 km (0.114 R)
• M9: 3,986,783 km (0.115 R)
• M10: 4,484,795 km (0.073 R)
• M11: 6,574,677 km (0.111 R)
• M12: 9,242,156 km (0.086 R)
• M13: 12,693,679 km (0.084 R)
• M14: 13,342,185 km (0.071 R)
• M15: 14,755,586 km (0.11 R)
• M16: 16,591,152 km (0.066 R)
• M17: 17,648,958 km (0.117 R)
• M18: 18,107,625 km (0.072 R)
• M19: 19,531,199 km (0.108 R)
• M20: 19,836,977 km (0.032 R)
• M21: 20,710,030 km (0.081 R)
• M22: 21,220,308 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.4

Radius: 11.3

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.87 AU - 4.19 AU

Year: 5395 Days

Day: 9.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 22,248,103 km

• M1: 140,622 km (0.103 R)
• M2: 494,421 km (0.078 R)
• M3: 1,020,557 km (0.066 R)
• M4: 1,386,922 km (0.099 R)
• M5: 1,961,976 km (0.037 R)
• M6: 2,493,647 km (0.115 R)
• M7: 4,711,435 km (0.094 R)
• M8: 5,558,309 km (0.096 R)
• M9: 6,503,618 km (0.115 R)
• M10: 7,015,093 km (0.042 R)
• M11: 8,598,586 km (0.08 R)
• M12: 9,136,690 km (0.119 R)
• M13: 9,737,924 km (0.094 R)
• M14: 12,219,154 km (0.099 R)
• M15: 13,401,426 km (0.113 R)
• M16: 14,984,920 km (0.078 R)
• M17: 16,396,824 km (0.082 R)
• M18: 19,878,415 km (0.107 R)
• M19: 21,025,981 km (0.108 R)
• M20: 21,721,312 km (0.068 R)
• M21: 22,360,244 km (0.066 R)
• M22: 24,200,747 km (0.098 R)
• M23: 25,823,136 km (0.105 R)
• M24: 27,106,985 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.7

Radius: 14.9

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.11 AU - 5.55 AU

Year: 7079 Days

Day: 11.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,248,103 km

• M1: 187,745 km (0.06 R)
• M2: 696,079 km (0.119 R)
• M3: 2,655,961 km (0.082 R)
• M4: 3,163,845 km (0.06 R)
• M5: 3,659,463 km (0.071 R)
• M6: 4,927,006 km (0.09 R)
• M7: 7,370,238 km (0.062 R)
• M8: 9,493,032 km (0.105 R)
• M9: 10,615,016 km (0.108 R)
• M10: 11,523,823 km (0.074 R)
• M11: 12,350,052 km (0.06 R)
• M12: 13,215,326 km (0.057 R)
• M13: 13,686,859 km (0.113 R)
• M14: 14,514,285 km (0.089 R)
• M15: 16,055,591 km (0.08 R)
• M16: 17,031,418 km (0.079 R)
• M17: 17,874,552 km (0.075 R)
• M18: 18,510,343 km (0.094 R)
• M19: 20,823,724 km (0.12 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 16,357 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit