🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.9

Radius: 11.5

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.65 AU - 0.65 AU

Year: 368 Days

Day: 7.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 104 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,856,780 km

• M1: 143,016 km (0.059 R)
• M2: 536,608 km (0.057 R)
• M3: 999,613 km (0.106 R)
• M4: 1,436,738 km (0.082 R)
• M5: 2,066,096 km (0.11 R)
• M6: 3,028,758 km (0.103 R)
• M7: 3,498,945 km (0.105 R)
• M8: 3,940,408 km (0.049 R)
• M9: 4,309,316 km (0.098 R)
• M10: 4,759,307 km (0.117 R)
• M11: 5,477,376 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.6

Radius: 13

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.64 AU - 0.72 AU

Year: 394 Days

Day: 12.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 39,856,780 km

• M1: 161,865 km (0.1 R)
• M2: 1,197,531 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.1

Radius: 8.6

Gravity: 11.63 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.79 AU - 2.01 AU

Year: 1841 Days

Day: 5.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,856,780 km

• M1: 106,962 km (0.079 R)
• M2: 423,512 km (0.109 R)
• M3: 737,667 km (0.118 R)
• M4: 1,304,045 km (0.067 R)
• M5: 1,844,243 km (0.1 R)
• M6: 2,286,753 km (0.073 R)
• M7: 3,011,405 km (0.096 R)
• M8: 3,556,689 km (0.119 R)
• M9: 4,147,003 km (0.1 R)
• M10: 5,545,593 km (0.048 R)
• M11: 6,184,675 km (0.077 R)
• M12: 7,149,731 km (0.096 R)
• M13: 7,551,102 km (0.055 R)
• M14: 8,211,876 km (0.109 R)
• M15: 8,620,278 km (0.081 R)
• M16: 9,683,321 km (0.117 R)
• M17: 10,318,364 km (0.099 R)
• M18: 10,831,185 km (0.112 R)
• M19: 11,131,877 km (0.062 R)
• M20: 12,761,297 km (0.109 R)
• M21: 13,224,153 km (0.104 R)
• M22: 14,273,133 km (0.109 R)
• M23: 14,863,895 km (0.064 R)
• M24: 15,470,963 km (0.026 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.7

Radius: 13.6

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.3 AU - 2.78 AU

Year: 2846 Days

Day: 8.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,856,780 km

• M1: 183,706 km (0.092 R)
• M2: 650,900 km (0.053 R)
• M3: 1,101,190 km (0.12 R)
• M4: 1,586,785 km (0.06 R)
• M5: 2,276,730 km (0.103 R)
• M6: 2,740,633 km (0.11 R)
• M7: 4,261,894 km (0.088 R)
• M8: 6,264,560 km (0.028 R)
• M9: 8,288,021 km (0.068 R)
• M10: 9,497,819 km (0.111 R)
• M11: 10,196,292 km (0.105 R)
• M12: 12,036,046 km (0.07 R)
• M13: 13,216,673 km (0.1 R)
• M14: 13,793,372 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.3

Radius: 14.4

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3 AU - 4.28 AU

Year: 4882 Days

Day: 6.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,856,780 km

• M1: 179,069 km (0.073 R)
• M2: 1,013,825 km (0.105 R)
• M3: 1,882,839 km (0.088 R)
• M4: 2,536,731 km (0.088 R)
• M5: 4,217,762 km (0.071 R)
• M6: 5,427,112 km (0.108 R)
• M7: 6,433,157 km (0.119 R)
• M8: 9,963,368 km (0.068 R)
• M9: 10,952,060 km (0.092 R)
• M10: 11,470,417 km (0.101 R)
• M11: 13,611,461 km (0.068 R)
• M12: 15,357,119 km (0.111 R)
• M13: 15,843,162 km (0.118 R)
• M14: 16,619,725 km (0.092 R)
• M15: 22,369,968 km (0.097 R)
• M16: 23,703,932 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369

Radius: 3.1

Gravity: 38.4 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.63 AU - 7.37 AU

Year: 10331 Days

Day: 17.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,856,780 km

• M1: 38,596 km (0.118 R)
• M2: 329,265 km (0.053 R)
• M3: 516,711 km (0.112 R)
• M4: 1,731,147 km (0.114 R)
• M5: 2,823,211 km (0.114 R)
• M6: 3,009,760 km (0.088 R)
• M7: 3,453,616 km (0.065 R)
• M8: 4,780,699 km (0.117 R)
• M9: 7,296,786 km (0.104 R)
• M10: 9,436,783 km (0.075 R)
• M11: 12,893,092 km (0.098 R)
• M12: 13,463,360 km (0.098 R)
• M13: 15,212,458 km (0.072 R)
• M14: 15,720,343 km (0.084 R)
• M15: 16,108,549 km (0.034 R)
• M16: 16,370,944 km (0.073 R)
• M17: 17,243,249 km (0.075 R)
• M18: 19,080,161 km (0.12 R)
• M19: 20,272,905 km (0.083 R)
• M20: 21,673,291 km (0.108 R)
• M21: 22,806,046 km (0.103 R)
• M22: 23,136,807 km (0.058 R)
• M23: 23,977,696 km (0.074 R)
• M24: 25,365,217 km (0.12 R)
• M25: 28,872,987 km (0.112 R)
• M26: 30,541,752 km (0.113 R)
• M27: 32,377,617 km (0.111 R)
• M28: 34,285,588 km (0.045 R)
• M29: 34,719,571 km (0.084 R)
• M30: 35,157,145 km (0.094 R)
• M31: 38,791,326 km (0.118 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 16,240 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit