🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.7

Radius: 12.6

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.73 AU - 0.75 AU

Year: 439 Days

Day: 7.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,024,258 km

• M1: 156,629 km (0.089 R)
• M2: 613,052 km (0.114 R)
• M3: 1,161,478 km (0.064 R)
• M4: 1,660,686 km (0.107 R)
• M5: 2,117,109 km (0.119 R)
• M6: 2,548,250 km (0.054 R)
• M7: 2,972,360 km (0.115 R)
• M8: 4,466,544 km (0.115 R)
• M9: 4,885,268 km (0.096 R)
• M10: 5,363,084 km (0.065 R)
• M11: 6,120,498 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.1

Radius: 12.8

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.18 AU - 1.32 AU

Year: 965 Days

Day: 10.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,024,258 km

• M1: 159,322 km (0.082 R)
• M2: 583,581 km (0.094 R)
• M3: 1,313,769 km (0.025 R)
• M4: 1,995,935 km (0.087 R)
• M5: 2,453,255 km (0.062 R)
• M6: 2,929,725 km (0.099 R)
• M7: 3,411,430 km (0.106 R)
• M8: 4,709,939 km (0.106 R)
• M9: 5,259,861 km (0.076 R)
• M10: 5,934,697 km (0.083 R)
• M11: 6,599,660 km (0.045 R)
• M12: 7,101,261 km (0.082 R)
• M13: 7,702,196 km (0.12 R)
• M14: 8,653,638 km (0.096 R)
• M15: 9,885,427 km (0.091 R)

Asteroid Belt

Center: 2.78 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.1

Radius: 13.9

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.91 AU - 4.71 AU

Year: 6176 Days

Day: 6.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,024,258 km

• M1: 173,534 km (0.094 R)
• M2: 713,881 km (0.034 R)
• M3: 1,401,582 km (0.114 R)
• M4: 2,342,104 km (0.096 R)
• M5: 2,934,063 km (0.116 R)
• M6: 3,692,973 km (0.102 R)
• M7: 4,169,143 km (0.102 R)
• M8: 4,740,457 km (0.047 R)
• M9: 5,543,200 km (0.065 R)
• M10: 6,009,346 km (0.12 R)
• M11: 6,810,293 km (0.118 R)
• M12: 7,681,402 km (0.087 R)
• M13: 9,426,611 km (0.109 R)
• M14: 10,839,862 km (0.095 R)
• M15: 11,976,506 km (0.048 R)
• M16: 12,706,394 km (0.093 R)
• M17: 14,778,923 km (0.074 R)
• M18: 15,436,406 km (0.063 R)
• M19: 17,394,792 km (0.051 R)
• M20: 17,926,014 km (0.095 R)
• M21: 19,090,932 km (0.1 R)
• M22: 22,184,915 km (0.089 R)
• M23: 24,839,829 km (0.098 R)
• M24: 26,373,955 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.5

Radius: 12.6

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.88 AU - 5.5 AU

Year: 8161 Days

Day: 9.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,024,258 km

• M1: 156,928 km (0.083 R)
• M2: 740,659 km (0.084 R)
• M3: 1,481,617 km (0.03 R)
• M4: 2,312,035 km (0.12 R)
• M5: 2,934,362 km (0.076 R)
• M6: 3,571,350 km (0.091 R)
• M7: 3,986,484 km (0.103 R)
• M8: 4,599,985 km (0.06 R)
• M9: 5,462,566 km (0.062 R)
• M10: 5,949,657 km (0.117 R)
• M11: 7,508,766 km (0.103 R)
• M12: 12,547,821 km (0.116 R)
• M13: 15,027,256 km (0.102 R)
• M14: 16,448,735 km (0.117 R)
• M15: 17,676,933 km (0.043 R)
• M16: 18,673,853 km (0.117 R)
• M17: 24,925,997 km (0.115 R)
• M18: 26,821,253 km (0.106 R)
• M19: 28,041,672 km (0.064 R)
• M20: 30,190,795 km (0.05 R)
• M21: 30,795,470 km (0.12 R)
• M22: 33,188,587 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.3

Radius: 3.4

Gravity: 24.07 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.51 AU - 7.89 AU

Year: 11971 Days

Day: 22 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,024,258 km

• M1: 42,336 km (0.119 R)
• M2: 191,186 km (0.087 R)
• M3: 303,684 km (0.094 R)
• M4: 811,868 km (0.116 R)
• M5: 1,176,737 km (0.049 R)
• M6: 1,377,198 km (0.092 R)
• M7: 2,818,125 km (0.093 R)
• M8: 3,661,408 km (0.069 R)
• M9: 3,858,279 km (0.104 R)
• M10: 4,519,501 km (0.117 R)
• M11: 6,062,304 km (0.102 R)
• M12: 6,268,300 km (0.104 R)
• M13: 6,408,174 km (0.103 R)
• M14: 12,725,094 km (0.081 R)
• M15: 14,473,594 km (0.116 R)
• M16: 16,178,411 km (0.078 R)
• M17: 19,680,198 km (0.104 R)
• M18: 26,279,858 km (0.095 R)
• M19: 27,944,284 km (0.115 R)
• M20: 29,286,476 km (0.094 R)
• M21: 29,874,545 km (0.102 R)
• M22: 31,277,474 km (0.089 R)
• M23: 35,195,143 km (0.05 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 425 - 19,077 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit