🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.8

Radius: 10.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.78 AU - 0.8 AU

Year: 468 Days

Day: 6.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,365,200 km

• M1: 128,205 km (0.041 R)
• M2: 587,620 km (0.108 R)
• M3: 1,082,041 km (0.092 R)
• M4: 1,404,724 km (0.029 R)
• M5: 1,869,824 km (0.119 R)
• M6: 2,459,838 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.2

Radius: 13.9

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.95 AU - 2.13 AU

Year: 1943 Days

Day: 13.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,365,200 km

• M1: 174,431 km (0.08 R)
• M2: 610,359 km (0.07 R)
• M3: 1,059,303 km (0.09 R)
• M4: 1,654,253 km (0.041 R)
• M5: 2,151,517 km (0.094 R)
• M6: 2,586,547 km (0.063 R)
• M7: 3,440,302 km (0.095 R)
• M8: 3,969,729 km (0.081 R)
• M9: 5,346,777 km (0.115 R)
• M10: 6,012,787 km (0.079 R)
• M11: 7,075,231 km (0.109 R)
• M12: 7,623,507 km (0.118 R)
• M13: 8,774,813 km (0.096 R)
• M14: 10,209,307 km (0.059 R)
• M15: 11,054,983 km (0.112 R)
• M16: 11,870,890 km (0.112 R)
• M17: 13,088,168 km (0.096 R)
• M18: 13,664,569 km (0.088 R)
• M19: 14,214,939 km (0.117 R)
• M20: 14,868,233 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.5

Radius: 14.9

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.01 AU - 3.29 AU

Year: 2877 Days

Day: 14.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,365,200 km

• M1: 185,501 km (0.074 R)
• M2: 648,806 km (0.114 R)
• M3: 1,174,792 km (0.099 R)
• M4: 1,765,255 km (0.101 R)
• M5: 2,680,046 km (0.074 R)
• M6: 4,238,257 km (0.103 R)
• M7: 6,711,110 km (0.111 R)
• M8: 8,445,249 km (0.069 R)
• M9: 8,996,517 km (0.054 R)
• M10: 11,407,436 km (0.118 R)
• M11: 12,367,705 km (0.116 R)
• M12: 13,381,081 km (0.104 R)
• M13: 13,997,574 km (0.104 R)
• M14: 16,059,182 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.2

Radius: 11.5

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.29 AU - 3.73 AU

Year: 4385 Days

Day: 7.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,365,200 km

• M1: 143,016 km (0.091 R)
• M2: 546,331 km (0.118 R)
• M3: 1,088,025 km (0.094 R)
• M4: 1,595,611 km (0.114 R)
• M5: 2,553,187 km (0.054 R)
• M6: 4,263,689 km (0.058 R)
• M7: 5,008,537 km (0.097 R)
• M8: 6,401,442 km (0.11 R)
• M9: 8,593,051 km (0.083 R)
• M10: 9,211,190 km (0.065 R)
• M11: 9,780,858 km (0.12 R)
• M12: 10,333,772 km (0.06 R)
• M13: 10,741,426 km (0.102 R)
• M14: 12,664,058 km (0.092 R)
• M15: 14,349,577 km (0.078 R)
• M16: 15,588,697 km (0.113 R)
• M17: 16,897,977 km (0.034 R)
• M18: 17,407,358 km (0.104 R)
• M19: 18,102,539 km (0.106 R)
• M20: 18,635,856 km (0.093 R)
• M21: 19,302,015 km (0.083 R)
• M22: 21,659,827 km (0.107 R)
• M23: 22,736,632 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.1

Radius: 11.8

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3 AU - 4.54 AU

Year: 4881 Days

Day: 6.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,365,200 km

• M1: 146,756 km (0.111 R)
• M2: 520,451 km (0.053 R)
• M3: 888,462 km (0.048 R)
• M4: 1,708,258 km (0.052 R)
• M5: 2,394,613 km (0.096 R)
• M6: 3,156,515 km (0.094 R)
• M7: 4,366,313 km (0.099 R)
• M8: 4,805,084 km (0.052 R)
• M9: 5,955,491 km (0.117 R)
• M10: 8,089,355 km (0.119 R)
• M11: 8,875,193 km (0.091 R)
• M12: 10,462,576 km (0.091 R)
• M13: 11,734,906 km (0.106 R)
• M14: 12,281,985 km (0.098 R)
• M15: 14,359,600 km (0.085 R)
• M16: 16,848,610 km (0.113 R)
• M17: 18,659,791 km (0.061 R)
• M18: 21,540,897 km (0.079 R)
• M19: 22,894,907 km (0.071 R)
• M20: 26,867,628 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.5

Radius: 14.9

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.88 AU - 4.38 AU

Year: 5597 Days

Day: 14.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,365,200 km

• M1: 185,651 km (0.112 R)
• M2: 655,538 km (0.118 R)
• M3: 1,232,238 km (0.107 R)
• M4: 1,838,857 km (0.074 R)
• M5: 2,438,744 km (0.109 R)
• M6: 3,290,106 km (0.094 R)
• M7: 4,088,809 km (0.117 R)
• M8: 4,612,551 km (0.058 R)
• M9: 5,266,144 km (0.094 R)
• M10: 6,043,455 km (0.099 R)
• M11: 7,642,656 km (0.118 R)
• M12: 8,324,822 km (0.086 R)
• M13: 9,339,395 km (0.083 R)
• M14: 10,710,460 km (0.091 R)
• M15: 12,518,051 km (0.081 R)
• M16: 14,464,917 km (0.105 R)
• M17: 19,157,204 km (0.066 R)
• M18: 20,062,570 km (0.031 R)
• M19: 26,787,743 km (0.067 R)
• M20: 27,568,494 km (0.066 R)
• M21: 28,903,206 km (0.032 R)
• M22: 31,797,925 km (0.065 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: 535 - 19,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit