🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.1

Radius: 14.9

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.02 AU - 1.2 AU

Year: 755 Days

Day: 13.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 20,321,532 km

• M1: 185,501 km (0.036 R)
• M2: 708,346 km (0.084 R)
• M3: 2,112,172 km (0.108 R)
• M4: 3,272,453 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.8

Radius: 13.9

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.16 AU - 1.93 AU

Year: 1234 Days

Day: 9.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,321,532 km

• M1: 172,935 km (0.073 R)
• M2: 910,752 km (0.116 R)
• M3: 1,749,846 km (0.104 R)
• M4: 3,671,880 km (0.085 R)
• M5: 4,651,297 km (0.038 R)
• M6: 6,037,920 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.4

Radius: 13.2

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.79 AU - 3.85 AU

Year: 3906 Days

Day: 7.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,321,532 km

• M1: 164,258 km (0.038 R)
• M2: 578,046 km (0.084 R)
• M3: 1,231,490 km (0.119 R)
• M4: 2,146,430 km (0.117 R)
• M5: 3,179,852 km (0.066 R)
• M6: 4,212,826 km (0.079 R)
• M7: 5,654,500 km (0.115 R)
• M8: 6,645,885 km (0.109 R)
• M9: 7,820,827 km (0.047 R)
• M10: 8,665,307 km (0.041 R)
• M11: 9,610,616 km (0.088 R)
• M12: 10,024,254 km (0.057 R)
• M13: 10,931,864 km (0.089 R)
• M14: 12,811,412 km (0.105 R)
• M15: 14,249,646 km (0.095 R)
• M16: 14,734,193 km (0.119 R)
• M17: 18,439,434 km (0.11 R)
• M18: 19,405,686 km (0.113 R)
• M19: 19,867,944 km (0.07 R)
• M20: 20,677,717 km (0.079 R)
• M21: 22,362,937 km (0.071 R)
• M22: 24,595,984 km (0.081 R)
• M23: 25,925,610 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.2

Radius: 9.2

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.2 AU - 4.04 AU

Year: 4447 Days

Day: 10.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,321,532 km

• M1: 114,442 km (0.117 R)
• M2: 478,115 km (0.094 R)
• M3: 1,350,869 km (0.041 R)
• M4: 1,794,426 km (0.075 R)
• M5: 2,176,200 km (0.102 R)
• M6: 2,684,983 km (0.092 R)
• M7: 3,237,597 km (0.062 R)
• M8: 3,586,160 km (0.114 R)
• M9: 3,921,259 km (0.103 R)
• M10: 4,941,367 km (0.074 R)
• M11: 6,555,528 km (0.118 R)
• M12: 6,973,056 km (0.113 R)
• M13: 8,723,800 km (0.115 R)
• M14: 12,056,392 km (0.099 R)
• M15: 14,886,933 km (0.118 R)
• M16: 16,711,129 km (0.088 R)
• M17: 17,544,240 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.3

Radius: 12.5

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.26 AU - 4.3 AU

Year: 5717 Days

Day: 14.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,321,532 km

• M1: 155,582 km (0.119 R)
• M2: 589,266 km (0.112 R)
• M3: 1,508,695 km (0.107 R)
• M4: 2,106,936 km (0.1 R)
• M5: 3,470,820 km (0.119 R)
• M6: 3,996,956 km (0.06 R)
• M7: 5,716,733 km (0.107 R)
• M8: 6,588,290 km (0.05 R)
• M9: 7,253,253 km (0.119 R)
• M10: 11,320,220 km (0.084 R)
• M11: 23,028,947 km (0.086 R)
• M12: 26,939,884 km (0.106 R)
• M13: 28,548,360 km (0.112 R)
• M14: 30,409,657 km (0.094 R)
• M15: 31,759,778 km (0.074 R)
• M16: 32,948,482 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.3

Radius: 8.4

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.75 AU - 6.25 AU

Year: 8328 Days

Day: 6.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,321,532 km

• M1: 104,419 km (0.097 R)
• M2: 548,276 km (0.053 R)
• M3: 1,131,259 km (0.082 R)
• M4: 1,737,579 km (0.11 R)
• M5: 2,015,233 km (0.103 R)
• M6: 4,142,365 km (0.118 R)
• M7: 4,415,830 km (0.098 R)
• M8: 5,372,957 km (0.109 R)
• M9: 8,756,263 km (0.108 R)
• M10: 10,307,443 km (0.101 R)
• M11: 14,623,790 km (0.097 R)
• M12: 15,325,255 km (0.025 R)
• M13: 18,650,666 km (0.108 R)
• M14: 20,402,457 km (0.058 R)
• M15: 21,278,053 km (0.083 R)
• M16: 22,764,308 km (0.116 R)
• M17: 25,484,296 km (0.068 R)
• M18: 27,064,200 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.9

Radius: 7.3

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.88 AU - 9.98 AU

Year: 15804 Days

Day: 22.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,321,532 km

• M1: 112,946 km (0.078 R)
• M2: 569,070 km (0.076 R)
• M3: 1,011,282 km (0.045 R)
• M4: 1,356,703 km (0.044 R)
• M5: 1,958,984 km (0.062 R)
• M6: 2,680,794 km (0.057 R)
• M7: 3,018,287 km (0.093 R)
• M8: 3,549,359 km (0.07 R)
• M9: 5,246,397 km (0.08 R)
• M10: 8,255,558 km (0.061 R)
• M11: 12,297,095 km (0.058 R)
• M12: 12,558,891 km (0.12 R)
• M13: 12,824,427 km (0.062 R)
• M14: 14,888,279 km (0.111 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: 446 - 17,643 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit