🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.5

Radius: 14.6

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.46 AU - 0.62 AU

Year: 265 Days

Day: 11.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,678,061 km

• M1: 181,761 km (0.088 R)
• M2: 730,486 km (0.118 R)
• M3: 1,376,749 km (0.076 R)
• M4: 1,859,053 km (0.112 R)
• M5: 2,390,275 km (0.025 R)
• M6: 3,075,134 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.8

Radius: 8.6

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.66 AU - 0.88 AU

Year: 451 Days

Day: 10.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,678,061 km

• M1: 107,710 km (0.032 R)
• M2: 440,416 km (0.047 R)
• M3: 742,903 km (0.106 R)
• M4: 1,256,173 km (0.082 R)
• M5: 1,561,802 km (0.086 R)
• M6: 2,134,462 km (0.096 R)
• M7: 2,601,357 km (0.097 R)
• M8: 2,917,009 km (0.111 R)
• M9: 3,751,017 km (0.099 R)
• M10: 4,033,607 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.8

Radius: 8.8

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.79 AU - 0.87 AU

Year: 504 Days

Day: 10.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,678,061 km

• M1: 109,506 km (0.1 R)
• M2: 407,205 km (0.095 R)
• M3: 773,571 km (0.108 R)
• M4: 1,158,187 km (0.119 R)
• M5: 1,989,053 km (0.068 R)
• M6: 2,263,715 km (0.051 R)
• M7: 2,680,644 km (0.112 R)
• M8: 3,282,476 km (0.08 R)
• M9: 3,832,099 km (0.055 R)
• M10: 4,216,865 km (0.113 R)
• M11: 4,769,928 km (0.102 R)
• M12: 6,306,747 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15

Radius: 10.2

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.75 AU - 1.11 AU

Year: 598 Days

Day: 9.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 31,678,061 km

• M1: 127,009 km (0.116 R)
• M2: 665,112 km (0.111 R)
• M3: 1,061,098 km (0.113 R)
• M4: 1,714,691 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.8

Radius: 11.7

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.96 AU - 1.38 AU

Year: 844 Days

Day: 14.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,678,061 km

• M1: 145,559 km (0.099 R)
• M2: 538,852 km (0.092 R)
• M3: 937,679 km (0.045 R)
• M4: 1,369,569 km (0.119 R)
• M5: 1,853,368 km (0.051 R)
• M6: 2,782,820 km (0.103 R)
• M7: 3,251,809 km (0.109 R)
• M8: 3,641,362 km (0.096 R)
• M9: 4,015,656 km (0.099 R)
• M10: 4,772,322 km (0.113 R)
• M11: 5,505,501 km (0.104 R)
• M12: 6,590,833 km (0.041 R)
• M13: 7,335,532 km (0.033 R)
• M14: 8,110,449 km (0.098 R)
• M15: 8,859,186 km (0.112 R)
• M16: 9,291,673 km (0.112 R)

Asteroid Belt

Center: 2.32 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.5

Radius: 10.4

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.97 AU - 3.97 AU

Year: 4310 Days

Day: 13.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,678,061 km

• M1: 137,929 km (0.097 R)
• M2: 980,614 km (0.089 R)
• M3: 1,865,934 km (0.098 R)
• M4: 2,342,254 km (0.073 R)
• M5: 2,898,309 km (0.084 R)
• M6: 3,405,147 km (0.077 R)
• M7: 4,099,131 km (0.05 R)
• M8: 4,526,532 km (0.102 R)
• M9: 5,392,106 km (0.111 R)
• M10: 6,335,021 km (0.116 R)
• M11: 7,255,347 km (0.084 R)
• M12: 8,836,148 km (0.077 R)
• M13: 9,629,615 km (0.101 R)
• M14: 10,676,800 km (0.064 R)
• M15: 11,842,915 km (0.042 R)
• M16: 13,527,238 km (0.035 R)
• M17: 13,922,176 km (0.116 R)
• M18: 14,477,932 km (0.102 R)
• M19: 15,633,725 km (0.095 R)
• M20: 17,832,066 km (0.12 R)
• M21: 21,941,669 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961

Radius: 13.7

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.39 AU - 3.79 AU

Year: 4536 Days

Day: 10.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 31,678,061 km

• M1: 172,935 km (0.103 R)
• M2: 639,381 km (0.075 R)
• M3: 1,408,763 km (0.111 R)
• M4: 1,912,908 km (0.109 R)
• M5: 2,504,717 km (0.118 R)
• M6: 3,257,194 km (0.112 R)
• M7: 3,991,870 km (0.059 R)
• M8: 5,298,906 km (0.102 R)
• M9: 6,413,859 km (0.102 R)
• M10: 7,010,156 km (0.103 R)
• M11: 7,679,607 km (0.118 R)
• M12: 8,664,409 km (0.111 R)
• M13: 9,519,960 km (0.093 R)
• M14: 10,476,040 km (0.105 R)
• M15: 11,542,822 km (0.096 R)
• M16: 12,579,087 km (0.079 R)
• M17: 13,730,242 km (0.12 R)
• M18: 15,007,658 km (0.098 R)
• M19: 18,056,164 km (0.113 R)
• M20: 19,588,345 km (0.082 R)
• M21: 24,705,041 km (0.107 R)
• M22: 26,173,494 km (0.098 R)
• M23: 27,184,327 km (0.038 R)
• M24: 27,872,477 km (0.109 R)
• M25: 29,734,522 km (0.12 R)
• M26: 30,465,158 km (0.105 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 19,022 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit