🌌 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: 610.8

Radius: 11.8

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.52 AU - 0.56 AU

Year: 265 Days

Day: 12.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,797,641 km

• M1: 147,055 km (0.074 R)
• M2: 546,481 km (0.094 R)
• M3: 1,021,454 km (0.089 R)
• M4: 1,433,148 km (0.102 R)
• M5: 2,131,470 km (0.106 R)
• M6: 3,172,821 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.5

Radius: 8.8

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.45 AU - 0.71 AU

Year: 295 Days

Day: 12.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,797,641 km

• M1: 109,506 km (0.069 R)
• M2: 422,016 km (0.061 R)
• M3: 727,644 km (0.085 R)
• M4: 1,201,570 km (0.104 R)
• M5: 1,554,621 km (0.115 R)
• M6: 1,962,126 km (0.084 R)
• M7: 2,366,040 km (0.108 R)
• M8: 2,724,925 km (0.107 R)
• M9: 3,022,475 km (0.057 R)
• M10: 3,488,622 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.8

Radius: 12.7

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.56 AU - 1.6 AU

Year: 1324 Days

Day: 9.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,797,641 km

• M1: 157,975 km (0.119 R)
• M2: 691,142 km (0.027 R)
• M3: 1,197,681 km (0.107 R)
• M4: 1,980,077 km (0.116 R)
• M5: 2,552,289 km (0.103 R)
• M6: 3,378,219 km (0.063 R)
• M7: 3,913,032 km (0.117 R)
• M8: 5,984,364 km (0.079 R)
• M9: 6,390,223 km (0.082 R)
• M10: 6,792,940 km (0.097 R)
• M11: 7,509,664 km (0.114 R)
• M12: 8,031,162 km (0.088 R)
• M13: 8,576,745 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.2

Radius: 11

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.31 AU - 2.15 AU

Year: 1517 Days

Day: 5 Hours

Environment

Temp: -188 °C

Axial Tilt: 75 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,797,641 km

• M1: 136,882 km (0.107 R)
• M2: 497,712 km (0.085 R)
• M3: 1,018,911 km (0.099 R)
• M4: 1,401,283 km (0.038 R)
• M5: 1,956,291 km (0.084 R)
• M6: 2,806,007 km (0.111 R)
• M7: 3,379,416 km (0.112 R)
• M8: 4,989,239 km (0.11 R)
• M9: 5,355,604 km (0.106 R)
• M10: 6,265,159 km (0.112 R)
• M11: 6,692,560 km (0.096 R)
• M12: 7,861,368 km (0.078 R)
• M13: 8,299,540 km (0.047 R)
• M14: 9,034,664 km (0.104 R)
• M15: 9,418,233 km (0.101 R)
• M16: 11,391,130 km (0.059 R)
• M17: 12,890,849 km (0.03 R)
• M18: 14,692,306 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.5

Radius: 14.1

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.78 AU - 2.12 AU

Year: 1816 Days

Day: 9.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,797,641 km

• M1: 175,628 km (0.079 R)
• M2: 744,848 km (0.06 R)
• M3: 1,209,200 km (0.113 R)
• M4: 2,137,006 km (0.107 R)
• M5: 3,435,216 km (0.036 R)
• M6: 3,904,953 km (0.048 R)
• M7: 6,042,408 km (0.103 R)
• M8: 6,706,473 km (0.059 R)
• M9: 7,229,317 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.9

Radius: 8.1

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.32 AU - 2.76 AU

Year: 2699 Days

Day: 14.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,797,641 km

• M1: 105,766 km (0.11 R)
• M2: 644,617 km (0.095 R)
• M3: 1,016,667 km (0.111 R)
• M4: 1,410,409 km (0.081 R)
• M5: 1,673,402 km (0.057 R)
• M6: 1,936,245 km (0.073 R)
• M7: 2,809,747 km (0.116 R)
• M8: 3,215,457 km (0.119 R)
• M9: 3,540,832 km (0.055 R)
• M10: 4,014,908 km (0.088 R)
• M11: 4,353,896 km (0.072 R)
• M12: 4,732,529 km (0.075 R)
• M13: 5,858,402 km (0.101 R)
• M14: 8,057,341 km (0.092 R)
• M15: 8,598,287 km (0.079 R)
• M16: 9,422,123 km (0.067 R)
• M17: 10,898,654 km (0.116 R)
• M18: 13,126,316 km (0.1 R)
• M19: 14,784,608 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.6

Radius: 5.1

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.52 AU - 6.34 AU

Year: 9630 Days

Day: 24.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,797,641 km

• M1: 63,429 km (0.087 R)
• M2: 535,710 km (0.112 R)
• M3: 785,987 km (0.083 R)
• M4: 2,104,393 km (0.099 R)
• M5: 3,294,594 km (0.113 R)
• M6: 7,511,608 km (0.114 R)
• M7: 10,308,939 km (0.114 R)
• M8: 10,745,615 km (0.072 R)
• M9: 15,983,934 km (0.09 R)
• M10: 16,450,530 km (0.099 R)
• M11: 16,926,101 km (0.067 R)
• M12: 18,154,898 km (0.058 R)
• M13: 18,471,148 km (0.095 R)
• M14: 21,696,927 km (0.117 R)
• M15: 23,071,283 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831.8

Radius: 5.8

Gravity: 24.73 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.25 AU - 9.35 AU

Year: 15946 Days

Day: 15.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 119.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,797,641 km

• M1: 72,106 km (0.096 R)
• M2: 513,569 km (0.065 R)
• M3: 717,920 km (0.085 R)
• M4: 1,097,450 km (0.101 R)
• M5: 1,522,158 km (0.104 R)
• M6: 2,623,647 km (0.113 R)
• M7: 3,928,440 km (0.091 R)
• M8: 4,501,250 km (0.106 R)
• M9: 5,055,660 km (0.1 R)
• M10: 6,092,972 km (0.074 R)
• M11: 8,631,947 km (0.102 R)
• M12: 10,277,374 km (0.108 R)
• M13: 15,898,514 km (0.073 R)
• M14: 17,423,963 km (0.116 R)
• M15: 27,984,376 km (0.092 R)
• M16: 29,019,444 km (0.07 R)
• M17: 35,106,432 km (0.046 R)
• M18: 42,590,813 km (0.067 R)
• M19: 50,902,022 km (0.1 R)
• M20: 51,241,609 km (0.119 R)
• M21: 61,376,117 km (0.05 R)
• M22: 63,708,647 km (0.104 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 12,621 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit