🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.25 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.6

Radius: 11.6

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.37 AU - 2.61 AU

Year: 2537 Days

Day: 13.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,698,631 km

• M1: 145,110 km (0.064 R)
• M2: 1,589,029 km (0.088 R)
• M3: 2,327,892 km (0.102 R)
• M4: 3,105,652 km (0.062 R)
• M5: 3,660,510 km (0.066 R)
• M6: 5,426,513 km (0.118 R)
• M7: 5,956,538 km (0.068 R)
• M8: 6,642,893 km (0.098 R)
• M9: 10,253,737 km (0.102 R)
• M10: 11,993,112 km (0.056 R)
• M11: 12,779,548 km (0.093 R)

Asteroid Belt

Center: 2.93 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.7

Radius: 14.6

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.7 AU - 4.04 AU

Year: 3994 Days

Day: 13.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,698,631 km

• M1: 181,612 km (0.106 R)
• M2: 1,031,178 km (0.118 R)
• M3: 1,691,653 km (0.074 R)
• M4: 2,437,996 km (0.096 R)
• M5: 3,205,434 km (0.096 R)
• M6: 4,040,788 km (0.034 R)
• M7: 5,439,229 km (0.115 R)
• M8: 6,445,873 km (0.111 R)
• M9: 7,205,681 km (0.111 R)
• M10: 9,767,395 km (0.078 R)
• M11: 11,613,881 km (0.075 R)
• M12: 12,309,810 km (0.103 R)
• M13: 12,886,510 km (0.088 R)
• M14: 14,198,184 km (0.092 R)
• M15: 19,819,025 km (0.054 R)
• M16: 20,279,188 km (0.111 R)
• M17: 21,772,325 km (0.099 R)
• M18: 22,262,557 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.5

Radius: 10.9

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.78 AU - 4.56 AU

Year: 4540 Days

Day: 6.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,698,631 km

• M1: 135,536 km (0.068 R)
• M2: 516,113 km (0.085 R)
• M3: 880,683 km (0.12 R)
• M4: 1,910,814 km (0.12 R)
• M5: 2,294,233 km (0.072 R)
• M6: 3,140,209 km (0.119 R)
• M7: 3,789,464 km (0.103 R)
• M8: 4,302,884 km (0.047 R)
• M9: 5,942,925 km (0.074 R)
• M10: 6,411,017 km (0.083 R)
• M11: 6,937,302 km (0.058 R)
• M12: 7,599,572 km (0.032 R)
• M13: 8,809,819 km (0.108 R)
• M14: 9,841,446 km (0.092 R)
• M15: 10,364,440 km (0.061 R)
• M16: 11,466,078 km (0.119 R)
• M17: 11,947,484 km (0.085 R)
• M18: 13,105,970 km (0.094 R)
• M19: 14,784,159 km (0.045 R)
• M20: 16,298,239 km (0.118 R)
• M21: 16,661,912 km (0.117 R)
• M22: 17,721,813 km (0.049 R)
• M23: 18,365,981 km (0.115 R)
• M24: 22,265,399 km (0.116 R)
• M25: 23,243,769 km (0.085 R)
• M26: 24,884,559 km (0.098 R)
• M27: 26,852,668 km (0.113 R)
• M28: 30,359,990 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.7

Radius: 9.4

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.15 AU - 4.47 AU

Year: 5777 Days

Day: 8 Hours

Environment

Temp: -205 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,698,631 km

• M1: 116,836 km (0.086 R)
• M2: 3,105,951 km (0.09 R)
• M3: 6,842,906 km (0.085 R)
• M4: 8,918,576 km (0.107 R)
• M5: 12,649,098 km (0.115 R)
• M6: 13,697,031 km (0.098 R)
• M7: 14,640,545 km (0.113 R)
• M8: 18,850,977 km (0.095 R)
• M9: 20,150,085 km (0.114 R)
• M10: 22,853,169 km (0.047 R)
• M11: 24,253,854 km (0.104 R)
• M12: 25,090,405 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.1

Radius: 5.1

Gravity: 34.03 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.05 AU - 9.73 AU

Year: 17115 Days

Day: 24.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,698,631 km

• M1: 63,429 km (0.084 R)
• M2: 223,649 km (0.112 R)
• M3: 551,418 km (0.051 R)
• M4: 826,079 km (0.098 R)
• M5: 1,581,997 km (0.107 R)
• M6: 1,999,076 km (0.115 R)
• M7: 2,286,903 km (0.083 R)
• M8: 2,894,569 km (0.102 R)
• M9: 3,374,330 km (0.11 R)
• M10: 3,905,552 km (0.091 R)
• M11: 4,256,508 km (0.087 R)
• M12: 4,875,993 km (0.046 R)
• M13: 6,249,301 km (0.1 R)
• M14: 6,508,255 km (0.102 R)
• M15: 7,911,633 km (0.069 R)
• M16: 8,473,223 km (0.097 R)
• M17: 9,225,850 km (0.077 R)
• M18: 9,847,878 km (0.113 R)
• M19: 10,497,283 km (0.12 R)
• M20: 11,237,942 km (0.027 R)
• M21: 11,750,614 km (0.117 R)
• M22: 15,314,184 km (0.079 R)
• M23: 15,705,832 km (0.06 R)
• M24: 21,520,701 km (0.114 R)
• M25: 22,410,509 km (0.102 R)
• M26: 23,427,775 km (0.085 R)
• M27: 25,663,365 km (0.059 R)
• M28: 32,826,560 km (0.042 R)
• M29: 35,618,056 km (0.094 R)
• M30: 36,167,230 km (0.105 R)
• M31: 40,466,673 km (0.052 R)
• M32: 60,484,962 km (0.078 R)
• M33: 62,252,312 km (0.116 R)
• M34: 73,142,289 km (0.087 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: 383 - 18,941 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit