🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.3

Radius: 9.3

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.74 AU - 1.12 AU

Year: 588 Days

Day: 7.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,376,752 km

• M1: 115,639 km (0.083 R)
• M2: 462,108 km (0.098 R)
• M3: 789,278 km (0.088 R)
• M4: 1,212,491 km (0.119 R)
• M5: 1,673,701 km (0.087 R)
• M6: 3,260,635 km (0.095 R)
• M7: 3,894,481 km (0.073 R)
• M8: 4,784,738 km (0.103 R)
• M9: 5,586,583 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.4

Radius: 8.9

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.03 AU - 1.13 AU

Year: 736 Days

Day: 7.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,376,752 km

• M1: 110,852 km (0.071 R)
• M2: 461,509 km (0.071 R)
• M3: 758,760 km (0.105 R)
• M4: 1,161,478 km (0.065 R)
• M5: 1,477,877 km (0.082 R)
• M6: 1,898,397 km (0.07 R)
• M7: 2,793,591 km (0.058 R)
• M8: 3,278,737 km (0.082 R)
• M9: 3,921,110 km (0.072 R)
• M10: 4,211,330 km (0.097 R)
• M11: 5,046,535 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.5

Radius: 8.6

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.66 AU - 1.88 AU

Year: 1545 Days

Day: 12.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,376,752 km

• M1: 107,112 km (0.118 R)
• M2: 382,971 km (0.099 R)
• M3: 686,355 km (0.1 R)
• M4: 981,362 km (0.087 R)
• M5: 1,501,364 km (0.114 R)
• M6: 1,990,250 km (0.093 R)
• M7: 2,414,360 km (0.083 R)
• M8: 3,178,057 km (0.103 R)
• M9: 4,203,850 km (0.117 R)
• M10: 4,762,747 km (0.103 R)
• M11: 5,261,956 km (0.118 R)
• M12: 5,636,249 km (0.116 R)
• M13: 6,996,842 km (0.056 R)
• M14: 7,422,897 km (0.034 R)
• M15: 8,297,745 km (0.065 R)
• M16: 8,928,300 km (0.114 R)
• M17: 9,302,744 km (0.09 R)
• M18: 9,720,122 km (0.073 R)
• M19: 10,386,730 km (0.081 R)
• M20: 10,696,547 km (0.103 R)
• M21: 11,479,692 km (0.098 R)
• M22: 12,072,997 km (0.055 R)
• M23: 12,531,215 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.7

Radius: 11.4

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.99 AU - 2.89 AU

Year: 2500 Days

Day: 8 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,376,752 km

• M1: 142,417 km (0.087 R)
• M2: 663,616 km (0.096 R)
• M3: 1,070,223 km (0.098 R)
• M4: 1,699,282 km (0.085 R)
• M5: 2,437,249 km (0.084 R)
• M6: 3,998,901 km (0.07 R)
• M7: 4,892,150 km (0.075 R)
• M8: 6,118,703 km (0.108 R)
• M9: 6,515,885 km (0.116 R)
• M10: 6,902,147 km (0.068 R)
• M11: 7,421,102 km (0.106 R)
• M12: 7,966,087 km (0.119 R)
• M13: 9,798,511 km (0.118 R)
• M14: 12,857,189 km (0.113 R)
• M15: 13,959,127 km (0.102 R)
• M16: 14,509,946 km (0.099 R)
• M17: 14,885,138 km (0.06 R)
• M18: 16,049,757 km (0.102 R)
• M19: 16,603,568 km (0.106 R)
• M20: 17,014,215 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.2

Radius: 9.2

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.75 AU - 5.25 AU

Year: 7334 Days

Day: 9.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,376,752 km

• M1: 116,986 km (0.057 R)
• M2: 759,060 km (0.109 R)
• M3: 1,201,570 km (0.093 R)
• M4: 2,007,454 km (0.104 R)
• M5: 2,716,099 km (0.103 R)
• M6: 3,992,318 km (0.077 R)
• M7: 4,861,931 km (0.081 R)
• M8: 5,294,717 km (0.107 R)
• M9: 5,928,414 km (0.06 R)
• M10: 7,114,875 km (0.05 R)
• M11: 9,915,048 km (0.098 R)
• M12: 11,380,957 km (0.086 R)
• M13: 11,900,361 km (0.095 R)
• M14: 12,227,681 km (0.099 R)
• M15: 14,182,626 km (0.114 R)
• M16: 15,791,551 km (0.118 R)
• M17: 16,287,169 km (0.037 R)
• M18: 16,998,357 km (0.032 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.9

Radius: 5.6

Gravity: 18.91 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.26 AU - 6.8 AU

Year: 9714 Days

Day: 24.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,376,752 km

• M1: 71,508 km (0.075 R)
• M2: 267,032 km (0.085 R)
• M3: 883,375 km (0.113 R)
• M4: 1,563,148 km (0.114 R)
• M5: 2,104,992 km (0.045 R)
• M6: 2,409,872 km (0.087 R)
• M7: 2,723,280 km (0.068 R)
• M8: 2,954,259 km (0.09 R)
• M9: 5,528,389 km (0.117 R)
• M10: 6,109,128 km (0.092 R)
• M11: 7,676,016 km (0.12 R)
• M12: 9,350,914 km (0.098 R)
• M13: 10,173,702 km (0.113 R)
• M14: 10,475,292 km (0.085 R)
• M15: 14,893,515 km (0.045 R)
• M16: 17,187,748 km (0.103 R)
• M17: 19,784,767 km (0.106 R)
• M18: 20,413,078 km (0.079 R)
• M19: 23,146,082 km (0.101 R)
• M20: 29,833,406 km (0.073 R)
• M21: 30,347,723 km (0.108 R)
• M22: 36,401,650 km (0.118 R)

Asteroid Belt

Center: 7.34 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.4

Radius: 4.1

Gravity: 42.62 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 8.05 AU - 9.23 AU

Year: 16660 Days

Day: 21.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 68,376,752 km

• M1: 51,013 km (0.091 R)
• M2: 259,253 km (0.114 R)
• M3: 417,228 km (0.043 R)
• M4: 749,186 km (0.072 R)
• M5: 1,336,956 km (0.11 R)
• M6: 1,932,954 km (0.054 R)
• M7: 2,784,166 km (0.07 R)
• M8: 3,082,015 km (0.087 R)
• M9: 3,212,315 km (0.106 R)
• M10: 4,072,952 km (0.064 R)
• M11: 4,489,731 km (0.104 R)
• M12: 4,969,791 km (0.09 R)
• M13: 5,991,096 km (0.084 R)
• M14: 6,153,409 km (0.056 R)
• M15: 7,466,430 km (0.106 R)
• M16: 7,894,130 km (0.099 R)
• M17: 8,188,239 km (0.112 R)
• M18: 9,383,676 km (0.066 R)
• M19: 11,233,753 km (0.083 R)
• M20: 12,505,634 km (0.094 R)
• M21: 13,520,506 km (0.114 R)
• M22: 18,215,186 km (0.092 R)
• M23: 19,516,389 km (0.074 R)
• M24: 23,087,290 km (0.076 R)
• M25: 24,712,820 km (0.095 R)
• M26: 26,959,930 km (0.094 R)
• M27: 31,001,466 km (0.115 R)
• M28: 36,902,653 km (0.078 R)
• M29: 47,571,973 km (0.044 R)
• M30: 47,733,090 km (0.102 R)
• M31: 50,863,276 km (0.112 R)
• M32: 60,879,901 km (0.06 R)
• M33: 61,833,288 km (0.043 R)
• M34: 62,025,072 km (0.08 R)
• M35: 62,410,137 km (0.082 R)
• M36: 64,555,670 km (0.116 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 12,575 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit