🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.4

Radius: 14.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.6 AU - 0.7 AU

Year: 349 Days

Day: 12.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,370,229 km

• M1: 185,501 km (0.118 R)
• M2: 696,677 km (0.028 R)
• M3: 1,163,273 km (0.119 R)
• M4: 1,729,351 km (0.114 R)
• M5: 2,321,310 km (0.112 R)
• M6: 3,138,563 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.5

Radius: 14.9

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.61 AU - 0.69 AU

Year: 349 Days

Day: 14.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,370,229 km

• M1: 185,352 km (0.108 R)
• M2: 685,757 km (0.116 R)
• M3: 1,227,451 km (0.093 R)
• M4: 2,014,635 km (0.075 R)
• M5: 3,113,730 km (0.081 R)
• M6: 3,649,739 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.8

Radius: 15

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.36 AU - 1.5 AU

Year: 1140 Days

Day: 6.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,370,229 km

• M1: 187,895 km (0.12 R)
• M2: 680,222 km (0.09 R)
• M3: 1,375,852 km (0.118 R)
• M4: 1,963,173 km (0.053 R)
• M5: 2,850,887 km (0.115 R)
• M6: 3,809,360 km (0.071 R)
• M7: 4,499,006 km (0.086 R)
• M8: 5,195,534 km (0.097 R)
• M9: 6,193,352 km (0.096 R)
• M10: 7,410,929 km (0.083 R)
• M11: 8,569,415 km (0.113 R)
• M12: 9,137,139 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.8

Radius: 13.8

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.13 AU - 1.83 AU

Year: 1201 Days

Day: 10.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,370,229 km

• M1: 171,589 km (0.097 R)
• M2: 612,154 km (0.051 R)
• M3: 1,080,994 km (0.11 R)
• M4: 1,566,738 km (0.099 R)
• M5: 3,226,377 km (0.12 R)
• M6: 5,025,890 km (0.105 R)
• M7: 5,471,093 km (0.082 R)
• M8: 6,143,685 km (0.093 R)
• M9: 6,895,265 km (0.094 R)
• M10: 7,369,939 km (0.096 R)
• M11: 8,136,927 km (0.081 R)
• M12: 8,582,430 km (0.109 R)
• M13: 10,304,002 km (0.076 R)
• M14: 11,297,930 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.2

Radius: 8.3

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.16 AU - 3.48 AU

Year: 3158 Days

Day: 9.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,370,229 km

• M1: 103,372 km (0.083 R)
• M2: 471,532 km (0.1 R)
• M3: 815,458 km (0.077 R)
• M4: 1,393,055 km (0.102 R)
• M5: 1,677,591 km (0.117 R)
• M6: 2,292,587 km (0.074 R)
• M7: 3,470,371 km (0.093 R)
• M8: 4,582,931 km (0.114 R)
• M9: 5,050,873 km (0.097 R)
• M10: 6,178,242 km (0.103 R)
• M11: 7,547,661 km (0.086 R)
• M12: 9,586,980 km (0.104 R)
• M13: 10,733,348 km (0.096 R)
• M14: 12,856,142 km (0.102 R)
• M15: 13,995,180 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.1

Radius: 8

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.27 AU - 3.43 AU

Year: 4089 Days

Day: 12.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,370,229 km

• M1: 99,483 km (0.092 R)
• M2: 393,592 km (0.026 R)
• M3: 656,735 km (0.076 R)
• M4: 1,042,847 km (0.111 R)
• M5: 2,218,387 km (0.109 R)
• M6: 2,806,755 km (0.049 R)
• M7: 3,791,408 km (0.099 R)
• M8: 4,127,555 km (0.093 R)
• M9: 5,878,598 km (0.06 R)
• M10: 6,611,627 km (0.069 R)
• M11: 8,482,050 km (0.09 R)
• M12: 10,856,617 km (0.113 R)
• M13: 11,769,164 km (0.077 R)
• M14: 13,538,906 km (0.084 R)
• M15: 13,955,088 km (0.038 R)
• M16: 14,272,834 km (0.119 R)
• M17: 16,165,097 km (0.081 R)
• M18: 20,103,111 km (0.119 R)
• M19: 24,637,124 km (0.116 R)
• M20: 25,257,656 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.6

Radius: 8.1

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.8 AU - 5.58 AU

Year: 6773 Days

Day: 10 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,370,229 km

• M1: 100,829 km (0.106 R)
• M2: 458,368 km (0.077 R)
• M3: 727,943 km (0.113 R)
• M4: 1,397,843 km (0.059 R)
• M5: 1,688,960 km (0.111 R)
• M6: 2,642,646 km (0.06 R)
• M7: 3,286,067 km (0.097 R)
• M8: 4,405,358 km (0.093 R)
• M9: 4,702,160 km (0.059 R)
• M10: 7,828,457 km (0.088 R)
• M11: 9,107,668 km (0.078 R)
• M12: 11,789,958 km (0.103 R)
• M13: 12,315,495 km (0.056 R)
• M14: 15,347,994 km (0.115 R)
• M15: 15,687,581 km (0.097 R)
• M16: 16,032,254 km (0.047 R)
• M17: 16,677,320 km (0.096 R)
• M18: 17,831,917 km (0.103 R)
• M19: 19,762,328 km (0.075 R)
• M20: 20,164,447 km (0.05 R)
• M21: 21,333,704 km (0.098 R)
• M22: 21,686,007 km (0.111 R)
• M23: 26,626,327 km (0.115 R)
• M24: 27,117,157 km (0.117 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 19,952 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit