🌌 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: 794.7

Radius: 12

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.77 AU - 0.81 AU

Year: 476 Days

Day: 6.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 150.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,082,491 km

• M1: 149,299 km (0.048 R)
• M2: 635,342 km (0.034 R)
• M3: 1,017,415 km (0.097 R)
• M4: 1,417,739 km (0.058 R)
• M5: 2,138,502 km (0.118 R)
• M6: 2,759,782 km (0.114 R)
• M7: 3,242,384 km (0.101 R)
• M8: 4,051,858 km (0.055 R)
• M9: 6,125,883 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264

Radius: 11

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.05 AU - 1.15 AU

Year: 782 Days

Day: 6.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,082,491 km

• M1: 136,732 km (0.09 R)
• M2: 665,112 km (0.11 R)
• M3: 1,025,045 km (0.106 R)
• M4: 1,512,883 km (0.054 R)
• M5: 2,065,947 km (0.037 R)
• M6: 2,556,179 km (0.095 R)
• M7: 3,274,548 km (0.043 R)
• M8: 3,877,876 km (0.113 R)
• M9: 4,704,404 km (0.082 R)
• M10: 5,192,243 km (0.104 R)
• M11: 5,644,477 km (0.064 R)
• M12: 6,325,447 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.2

Radius: 13.8

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.09 AU - 1.37 AU

Year: 925 Days

Day: 12.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,082,491 km

• M1: 171,589 km (0.07 R)
• M2: 719,416 km (0.102 R)
• M3: 1,226,254 km (0.102 R)
• M4: 1,707,959 km (0.079 R)
• M5: 2,440,540 km (0.108 R)
• M6: 3,360,866 km (0.071 R)
• M7: 4,046,622 km (0.077 R)
• M8: 5,104,579 km (0.043 R)
• M9: 5,699,230 km (0.041 R)
• M10: 6,609,084 km (0.087 R)
• M11: 7,563,668 km (0.092 R)
• M12: 8,179,413 km (0.12 R)
• M13: 9,806,440 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491

Radius: 10.1

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.48 AU - 1.5 AU

Year: 1234 Days

Day: 6.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,082,491 km

• M1: 125,662 km (0.075 R)
• M2: 496,216 km (0.047 R)
• M3: 823,387 km (0.118 R)
• M4: 1,209,349 km (0.07 R)
• M5: 2,581,012 km (0.113 R)
• M6: 2,944,385 km (0.044 R)
• M7: 3,901,213 km (0.106 R)
• M8: 4,996,419 km (0.107 R)
• M9: 5,403,774 km (0.101 R)
• M10: 6,668,325 km (0.102 R)
• M11: 7,259,835 km (0.114 R)
• M12: 8,412,636 km (0.05 R)
• M13: 8,878,484 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.5

Radius: 10.6

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.89 AU - 2.89 AU

Year: 3332 Days

Day: 12.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,082,491 km

• M1: 131,796 km (0.054 R)
• M2: 548,725 km (0.114 R)
• M3: 884,273 km (0.087 R)
• M4: 1,241,812 km (0.101 R)
• M5: 1,655,600 km (0.056 R)
• M6: 2,098,858 km (0.073 R)
• M7: 2,451,311 km (0.078 R)
• M8: 4,964,705 km (0.098 R)
• M9: 5,404,522 km (0.032 R)
• M10: 5,895,502 km (0.071 R)
• M11: 7,459,698 km (0.115 R)
• M12: 9,181,420 km (0.11 R)
• M13: 9,810,180 km (0.108 R)
• M14: 12,032,755 km (0.056 R)
• M15: 12,447,440 km (0.105 R)
• M16: 13,793,672 km (0.108 R)
• M17: 14,202,223 km (0.054 R)
• M18: 14,618,704 km (0.106 R)
• M19: 15,427,729 km (0.099 R)
• M20: 15,818,778 km (0.03 R)
• M21: 16,569,610 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.4

Radius: 9.2

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.5 AU - 4.24 AU

Year: 5164 Days

Day: 5.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,082,491 km

• M1: 114,442 km (0.088 R)
• M2: 403,914 km (0.062 R)
• M3: 754,721 km (0.093 R)
• M4: 1,119,441 km (0.113 R)
• M5: 2,115,763 km (0.073 R)
• M6: 3,412,327 km (0.112 R)
• M7: 4,141,617 km (0.108 R)
• M8: 5,685,018 km (0.1 R)
• M9: 9,452,341 km (0.093 R)
• M10: 10,183,277 km (0.108 R)
• M11: 10,579,412 km (0.083 R)
• M12: 12,640,870 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.3

Radius: 6.8

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.85 AU - 7.23 AU

Year: 10068 Days

Day: 22.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,082,491 km

• M1: 87,216 km (0.046 R)
• M2: 501,901 km (0.106 R)
• M3: 725,101 km (0.12 R)
• M4: 1,067,082 km (0.047 R)
• M5: 1,460,823 km (0.078 R)
• M6: 1,764,507 km (0.096 R)
• M7: 2,299,319 km (0.119 R)
• M8: 2,833,384 km (0.059 R)
• M9: 3,517,794 km (0.087 R)
• M10: 7,071,940 km (0.118 R)
• M11: 7,985,684 km (0.092 R)
• M12: 9,711,295 km (0.059 R)
• M13: 10,142,287 km (0.111 R)
• M14: 10,939,943 km (0.09 R)
• M15: 13,941,325 km (0.111 R)
• M16: 15,179,696 km (0.054 R)
• M17: 17,311,017 km (0.099 R)
• M18: 17,873,355 km (0.105 R)
• M19: 18,447,961 km (0.087 R)
• M20: 18,886,881 km (0.05 R)
• M21: 19,109,034 km (0.106 R)
• M22: 19,938,255 km (0.12 R)
• M23: 22,239,070 km (0.045 R)
• M24: 22,569,681 km (0.062 R)
• M25: 24,711,175 km (0.035 R)
• M26: 25,967,647 km (0.108 R)
• M27: 28,900,513 km (0.088 R)
• M28: 33,431,833 km (0.049 R)
• M29: 34,303,689 km (0.068 R)
• M30: 37,125,704 km (0.09 R)
• M31: 39,491,743 km (0.103 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 16,613 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit