🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.7

Radius: 10.3

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.56 AU - 0.86 AU

Year: 406 Days

Day: 8.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,772,785 km

• M1: 128,205 km (0.085 R)
• M2: 518,656 km (0.107 R)
• M3: 905,815 km (0.091 R)
• M4: 1,298,510 km (0.049 R)
• M5: 1,663,379 km (0.063 R)
• M6: 2,291,241 km (0.062 R)
• M7: 2,873,775 km (0.065 R)
• M8: 3,252,856 km (0.051 R)
• M9: 3,818,934 km (0.105 R)
• M10: 4,153,435 km (0.056 R)
• M11: 4,610,307 km (0.116 R)
• M12: 5,132,404 km (0.099 R)
• M13: 6,024,456 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.8

Radius: 9.6

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.08 AU - 1.18 AU

Year: 815 Days

Day: 10.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,772,785 km

• M1: 119,529 km (0.071 R)
• M2: 555,008 km (0.082 R)
• M3: 1,122,283 km (0.08 R)
• M4: 1,449,005 km (0.054 R)
• M5: 1,927,718 km (0.053 R)
• M6: 2,649,528 km (0.068 R)
• M7: 4,547,326 km (0.108 R)
• M8: 5,084,832 km (0.104 R)
• M9: 5,647,020 km (0.091 R)

Asteroid Belt

Center: 1.6 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.7

Radius: 10.5

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.88 AU - 2.26 AU

Year: 2020 Days

Day: 13.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,772,785 km

• M1: 130,599 km (0.112 R)
• M2: 612,005 km (0.107 R)
• M3: 999,015 km (0.093 R)
• M4: 1,464,713 km (0.079 R)
• M5: 2,547,502 km (0.114 R)
• M6: 3,209,024 km (0.08 R)
• M7: 3,536,194 km (0.066 R)
• M8: 3,923,803 km (0.098 R)
• M9: 4,360,329 km (0.108 R)
• M10: 4,851,309 km (0.092 R)
• M11: 5,307,732 km (0.084 R)
• M12: 6,307,345 km (0.103 R)
• M13: 7,021,376 km (0.066 R)
• M14: 10,059,559 km (0.115 R)
• M15: 11,386,044 km (0.073 R)
• M16: 12,194,470 km (0.106 R)
• M17: 13,040,746 km (0.072 R)
• M18: 13,700,771 km (0.098 R)
• M19: 15,618,915 km (0.076 R)
• M20: 16,262,785 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355

Radius: 10.1

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.03 AU - 6.17 AU

Year: 8988 Days

Day: 5.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,772,785 km

• M1: 130,599 km (0.06 R)
• M2: 638,334 km (0.101 R)
• M3: 1,169,706 km (0.118 R)
• M4: 1,965,118 km (0.115 R)
• M5: 2,849,391 km (0.051 R)
• M6: 3,338,576 km (0.089 R)
• M7: 4,565,428 km (0.092 R)
• M8: 5,597,504 km (0.115 R)
• M9: 7,316,233 km (0.083 R)
• M10: 8,807,724 km (0.076 R)
• M11: 9,714,138 km (0.11 R)
• M12: 10,121,044 km (0.096 R)
• M13: 15,442,988 km (0.092 R)
• M14: 19,045,455 km (0.104 R)
• M15: 20,854,093 km (0.066 R)
• M16: 27,320,311 km (0.119 R)
• M17: 33,449,485 km (0.12 R)
• M18: 33,860,431 km (0.035 R)
• M19: 35,538,021 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.2

Radius: 7.4

Gravity: 15.51 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.1 AU - 8.56 AU

Year: 13460 Days

Day: 21.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,772,785 km

• M1: 92,003 km (0.118 R)
• M2: 405,410 km (0.103 R)
• M3: 759,508 km (0.114 R)
• M4: 1,512,734 km (0.108 R)
• M5: 2,263,715 km (0.116 R)
• M6: 2,555,580 km (0.07 R)
• M7: 2,825,754 km (0.088 R)
• M8: 4,539,697 km (0.107 R)
• M9: 5,541,404 km (0.066 R)
• M10: 5,841,946 km (0.083 R)
• M11: 6,074,571 km (0.081 R)
• M12: 6,517,082 km (0.104 R)
• M13: 7,242,931 km (0.11 R)
• M14: 8,956,425 km (0.1 R)
• M15: 9,318,451 km (0.115 R)
• M16: 9,962,021 km (0.112 R)
• M17: 11,517,690 km (0.045 R)
• M18: 12,576,543 km (0.114 R)
• M19: 13,362,082 km (0.036 R)
• M20: 16,600,577 km (0.074 R)
• M21: 16,911,590 km (0.093 R)
• M22: 21,407,754 km (0.12 R)
• M23: 22,242,959 km (0.106 R)
• M24: 26,114,702 km (0.086 R)
• M25: 27,607,389 km (0.076 R)
• M26: 28,819,431 km (0.041 R)
• M27: 30,412,948 km (0.084 R)
• M28: 31,824,853 km (0.039 R)
• M29: 32,305,062 km (0.059 R)
• M30: 32,912,130 km (0.101 R)
• M31: 39,960,434 km (0.105 R)
• M32: 41,225,284 km (0.043 R)
• M33: 47,015,619 km (0.045 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 16,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit